Material and Furniture - 中国大学mooc
Chapter 1 Summary
1.1 Definition, Variety and Classification of Furniture Materials随堂测验
1、The relationship between furniture and materials are as follows.
A、The supporting function of materials is the necessary condition of furniture products.
B、The properties of the materials affect the furniture processing technology.
C、The texture of materials restricts the style and school of furniture modeling.
D、All of the above.
2、Three basic furniture materials include:
A、wooden materials (including wood and wood-based panels),
B、metallic materials,
C、plastic.
D、glass.
1.2 Collocation of Furniture Materials随堂测验
1、The reasons why material collocation is still popular in furniture production include.
A、The shortage of wood resources.
B、Furniture structure and modeling requirements.
C、The change of aesthetic concept and the demand of individuation.
D、All of the above.
2、"Collocation or combination use of furniture materials" is a method of furniture materials in modern society, which has not a long history.
1.3 Innovation and Development Trend of Furniture Materials随堂测验
1、Carbon fiber is more and more popular with furniture designers, because the unique features of this new material are
A、light weight and high strength.
B、cheapness.
C、good weather resistance.
D、rich in color.
2、There are two levels of furniture material innovation, namely, the research and development of new furniture materials and the innovative use of traditional furniture materials.
1.4 Brief Introduction of Furniture Materiasl Standards随堂测验
1、In the furniture industry, a few national mandatory standards include
A、General technical requirements for children's furniture.
B、Indoor decorating and refurbishing materials-Limit of formaldehyde emission of wood-based panels and finishing products.
C、Limit of harmful substances of plastic furniture.
D、Wood furniture—General technical requirements.
2、Compulsory standard is a standard implemented by means of laws, administrative regulations and other compulsory means within a certain range, which has the legal attribute.
Unit Test
1、There are three common forms of "collocation or combination" of furniture materials, namely：
A、collocation or combination of different natural materials.
B、collocation or combination between natural materials and artificial materials。
C、collocation or combination of different artificial materials.
D、collocation or combination of personalized materials.
2、In a broad sense, furniture material can be any kind of material with certain strength and durability.
3、Who has mastered the innovation of furniture materials, who has grasped the initiative of furniture product innovation.
4、The implementation of various relevant level standards can regulate the furniture market and provide effective guidance, testing and legal protection basis for producers, quality inspection departments and consumers.
Chapter 2 Wood and Furniture
2.1 Characteristics and Functions of Wood随堂测验
1、The main characteristics of wood are as follows.
A、The texture is warm and pleasant, the temperature is adjusted and the humidity is adjusted, which is beneficial to health.
B、The material color is natural and soft, the grain is rich, the expressive force is strong, the application history is long, the cultural connotation is rich.
C、High ratio of strength to weight, moderate density and hardness, easy to carry out various forms of machining, low energy consumption in the processing.
D、Material anisotropy, dry shrinkage, wet expansion, knots, cavities and other natural defects.
2、From ancient times to today, wood is the main part of furniture materials. It is the origin of furniture materials.
2.2 Main Macroscopic Characteristics of Wood随堂测验
1、The macroscopic structural feature of wood is the appearance that can be seen under the naked eye and low power magnifying glass.
2、The existence of vessels is an important basis to distinguish hardwood and coniferous wood.
2.3 Secondary Macroscopic Characteristics of Wood随堂测验
1、The secondary macroscopic characteristics of wood include the following.
A、Color and luster.
B、Odor and taste.
C、Grain and structure.
D、All of the above.
2、What kind of material deposition and penetration in the wood voids lead to different colors of wood?
A、Pigment.
B、Tannin.
C、Resin.
D、All of the above.
2.4 A Brief Introduction of Wood Macroscopic Identification Method随堂测验
1、The retrieval methods of wood include.
A、Dichotomous Key.
B、The punch card retrieval key.
C、Computer retrieval system.
D、All of the above.
2、Macroscopic identification of wood is to distinguish and identify unknown wood by naked eye or with the help of low power magnifying glass according to the difference of macroscopic characteristics and auxiliary characteristics of wood.
2.5 Density of Wood随堂测验
1、Wood is porous material, its mass and volume will change with different moisture content. So when it comes to wood density, what state must be marked?
A、Temperature state.
B、Moisture content state.
C、Humidity state.
D、Pore state.
2、Factors affecting wood density include:
A、tree species.
B、extract content.
C、site conditions.
D、tree age and trunk position.
2.6 Moisture Content of Wood随堂测验
1、When wood is in the equilibrium state of neither moisture absorption nor desorption, what is its moisture content value called?
A、Air dry moisture content.
B、Absolute dry water content.
C、Equilibrium moisture content.
D、Green moisture content.
2、When the moisture content is lower than the fiber saturation point, the wood strength, volume and resistance are all related to the moisture content. When the moisture content is higher than the fiber saturation point, the increase or decrease of moisture content in wood has little effect on wood properties.
2.7 Shrinkage and Swelling of Wood随堂测验
1、The influencing factors of wood shrinkage and swelling include.
A、Density.
B、Temperature.
C、Late wood rate.
D、Tree species.
2、The control methods to reduce the drying shrinkage and swelling of wood mainly include: drying treatment, overlaying and finishing, mortising, structural change of wood anisotropy (such as plywood), etc.
2.8 Mechanical Strength of Wood随堂测验
1、Wood splitting resistance refers to the ability to resist the cleavage along the grain under the action of sharp wedge, and the main factors affecting its size include.
A、Density.
B、Structure.
C、Porosity.
D、Moisture content.
2、The factors affecting the mechanical strength of wood only include density and moisture content.
2.9 Several Kinds of Commonly Used Wood for Making Furniture随堂测验
1、What kind of wood odor can repel insects and mildew? It is often used to make suitcases and bookcases, with a lasting fragrance and refreshing effect.
A、Camphor wood.
B、Elm wood.
C、Teak wood.
D、Toothed oak.
2、Nanmu used to be the most commonly used wood in Ming and Qing furniture except for Red sanders and Scented rosewood ("Royal timber").
Unit Test
1、The importance of wood density in wood physical properties belongs to
A、unimportant physical quantity.
B、physical quantity of general importance.
C、the most important physical quantity.
D、indexes unrelated to wood physical properties.
2、The phenomenon of shrinkage and swelling of wood occurs in
A、below fiber saturation point.
B、above fiber saturation point.
C、above or below the fiber saturation point.
D、no correlation with fiber saturation point.
3、In addition to regulating and medicinal effects, the health care effect of wood also includes the following effect.
A、Visual performance.
B、Tactile effect.
C、Auditory efficacy.
D、Olfactory effect.
4、Wood pattern can help to identify wood, and also help to improve wood decorative and value. Common wood patterns are as follows.
A、"V" pattern.
B、Bird eye pattern.
C、Burl pattern.
D、Mosaic pattern.
5、The mechanical strength of wood mainly includes:
A、compressive strength.
B、tensile strength.
C、bending strength.
D、shear strength.
6、Burl wood furniture in the application of materials, highlighting a unique "morbid beauty".
Chapter 3 Hongmu and Furniture
3.1 Definition and Standard of Hongmu随堂测验
1、In the current national standard of Hongmu, the range of mahogany listed includes:
A、33 species, 8 classes, 5 genera.
B、29 species, 7 classes, 5 genera.
C、29 species, 8 classes, 5 genera.
D、29 species, 9 classes, 5 genera.
2、"Hongmu", as the raw material of furniture, is the name of a specific tree species.
3.2 Main Hongmu and Its Characteristics (1)随堂测验
1、Red sanders belongs to Pterocarpus, Pterocarpusspp.
2、Burma padauk belongs to Pterocarpus spp, also known as Burmese rosewood.
3.3 Main Hongmu and Its Characteristics (2)随堂测验
1、For the characteristics of Ceylon ebony, which of the following descriptions are correct？
A、Strong properties, heavy weight.
B、Black as ink.
C、Bright as lacquer.
D、It is often used with light colored wood to form a contrast.
2、African wenge (African chicken wing wood) belongs to Gypsophila, Senna spp.
3.4 Three Schools of Traditional Hongmu Furniture随堂测验
1、In the development history of Chinese traditional Hongmu furniture, the three most important geners are:
A、Su Zuo furniture (furniture made in Suzhou).
B、Xian Zuo furniture (furniture made in Xianyou).
C、Guang Zuo furniture (furniture made in Guangzhou).
D、Jing Zuo furniture (furniture made in Beijing).
2、The characteristics of Guang Zuo furniture (furniture made in Guangzhou) in terms of materials are: "cherish materials as gold".
3.5 Classic Appreciation of Traditional Hongm Furniture -- Chairs and Stools随堂测验
1、Hu bed, a small foldable seat without backrest and handrail, originated from the nomadic people in the north. What was it called in Ming and Qing Dynasties?
A、Cross-stool（folding stool）.
B、Officer's Hat chair with four stretching ends.
C、Rose chair.
D、Jiao Yi (folding chair).
2、"Ming style furniture" refers to the furniture produced from the middle of Ming Dynasty to the early Qing Dynasty with high-quality hardwoods such as rosewood and rosewood as the main materials, as well as the excellent furniture made of nanmu, beech, elm, etc. with exquisite design, fine production and simple style.
3.6 Classic Appreciation of Traditional Hongmu Furniture -- Tables, Cases and Tea Tables随堂测验
1、The correct name for the furniture in the picture is
A、Eight Immortals tables.
B、An(rectangular table) with flat surface.
C、Qiaotao An（An with slight up-warping of both sides of the table surface）
D、Tables for playing Chinese zither.
2、In traditional Chinese furniture, "table" is mostly furniture with different practical functions, while " An(rectangular table)" is more used to display vases, screens and other decorative objects.
3.7 Classic Appreciation of Traditional Hongmu Furniture -- Bed Type随堂测验
1、The furniture that can be used as seat and bedding with only the bed and no device on it is called
A、Couch.
B、Hu bed.
C、Luohan bed.
D、Canopy bed.
2、The correct name for the furniture in the figure below is "Alcove bedstead".
3.8 Classic Appreciation of Traditional Hongmu Furniture -- Cabinet Frame and Other Categories随堂测验
1、The hanging screen in the figure below, in which the inlaid material is
A、natural marble.
B、mother-of-pearl inlay.
C、metal.
D、enamel.
2、In traditional Chinese mahogany furniture, besides the rounding of various components, the Rounded-corner cabinet has the biggest feature of different thickness from top to bottom, with obvious "Side angles " and " Contracture ".
3.9 Hongmu and Hongmu Culture随堂测验
1、Chinese people choose wood as the main material of architecture and furniture, which has a lot to do with wood's unique properties. What's the right description of "character" of wood？
A、Easy to process, flexible and free.
B、Strong and durable.
C、Warm and human.
D、Adjust temperature and humidity, Warm in winter and cool in summer.
2、Mortise and tenon joint is the main form of Chinese traditional mahogany furniture parts connection, which is the representative of Chinese "woodwork" technology.
3.10 Art Features of Hongmu Furniture随堂测验
1、What are the artistic features of Chinese traditional Hongmu furniture?
A、Appropriate scale, and well proportioned.
B、Well-earned, stable and straightforward.
C、It comes to line-based, and flexible
D、Natural and graceful, and delicate detail
2、In Chinese traditional Hongmu furniture, various leg types, brain building forms and abundant thread feet all reflect the artistic characteristics of "line modeling" of Hongmu furniture.
3.11 Maintenance of Hongmu Furniture随堂测验
1、In the maintenance of Hongmu, we should pay attention to comply with "woodiness". In the season changing period, in order to cope with the obvious change of drying and humidity. What's the right way?
A、Open the cabinet door, open the drawer, and let the furniture pass through the wind synchronously inside and outside.
B、Close the doors and drawers. Keep stable.
C、Do not expose furniture directly to the sun or air.
D、Try to keep the furniture in a cool and dry place.
2、The dust on the surface of Hongmu furniture can be wiped with a damp towel.
Unit Test
1、Which kind of precious wood is produced in Hainan Island of China (commonly known as Hainan Huanghua pear)？
A、Bois de rose.
B、Scented rosewood.
C、Siam rosewood.
D、Burma blackwood.
2、The core board of the Hongmu round table in the figure below has natural texture and color. It comes from the intertwined and natural texture of the old trunk during the growth of trees. In rosewood furniture, it is called
A、grimace.
B、cattle hair pattern.
C、burl.
D、golden star.
3、The material of the furniture is exquisite and the style of the royal family is elegant. Solemn and generous, solemn and noble. This kind of furniture belongs
A、Su Zuo furniture (furniture made in Suzhou).
B、Jing Zuo furniture (furniture made in Beijing).
C、Guang Zuo furniture (furniture made in Guangzhou).
D、Jin Zuo furniture (furniture made in Shanxi).
4、In traditional Chinese mahogany furniture, besides the rounding of various components, the Rounded-corner cabinet has the biggest feature of different thickness from top to bottom, with obvious "Side angles " and " Contracture ".
5、“You can't put a hot tea on a cold table”. It is said that mahogany furniture should avoid sudden cold in the use environment.
Chapter 4 Bamboo/Rattan and Furniture
4.1 Bamboo and Furniture -- Bamboo Resources and Species随堂测验
1、In many bamboo species, which one is the bamboo with high industrial utilization value and the most important material for bamboo furniture？
A、Moso bamboo.
B、Neosinocalamus affinis.
C、Henon bamboo.
D、Bambusa multiplex.
2、Which of the following descriptions of bamboo characteristics are correct?
A、Fast growing.
B、Natural color and texture.
C、Short rotation period.
D、Good in materials.
4.2 Bamboo and Furniture -- Characteristics of Bamboo随堂测验
1、What are the advantages of bamboo?
A、High strength, good rigidity and wear resistance.
B、Easy to process and widely used.
C、Grains straight and texture rigidity.
D、Isotropy, no deformation.
2、Bamboo has hygroscopicity, which will lead to the instability of bamboo size, even warpage, deformation and cracking, as well as the decline of mechanical properties of bamboo, affecting the use of bamboo.
4.3 Bamboo and Furniture -- Types of Bamboo Furniture随堂测验
1、What kinds of furniture can be divided into according to different structural forms with bamboo as the basic material?
A、Round Bamboo Furniture.
B、Glued Laminated Bamboo Furniture.
C、Reconstituted Bamboo Furniture.
D、Reconstituted Bamboo Furniture.
2、The materials in the following pictures are made of natural bamboo as raw materials into rectangular bamboo pieces of certain specifications, which are glued by three proofing treatment, drying, gluing and other processes, be known as glued laminated bamboo.
4.4 Bamboo and Furniture -- The Modelling of Bamboo Furniture随堂测验
1、The bamboo furniture in the picture below is to make the bamboo present the original green through certain treatment, which is called
A、Guaqing.
B、Cover with paint.
C、Baoqing.
D、Dyeing.
2、Which of the following descriptions are the characteristics of the shape of bamboo furniture？
A、Rich linear changes.
B、Create rich modeling beauty through winding, weaving and other structures.
C、Bamboo strips weave around the skeleton to create different texture changes.
D、Not very good at presenting texture rich and varied textur.
4.5 Bamboo and Furniture -- Innovative Design of Bamboo Furniture随堂测验
1、Materials that can be used with bamboo to make furniture often include but are not limited to the following.
A、Wood.
B、Metal.
C、Plastic.
D、Rattan.
2、What are the innovative design ideas of bamboo furniture?
A、The blending of tradition and Modernity.
B、Innovative design of structure.
C、Material matching design.
D、Bring in the doctrine.
4.6 Rattan and Furniture -- Rattan Resources and Types随堂测验
1、The most commonly used rattan in rattan furniture and rattan products is
A、Ivy.
B、Kudzu.
C、rattan canes.
D、wisteria.
2、Sinomenia is a unique wild plant resource in China.
4.7 Rattan and Furniture -- Characteristics of Rattan随堂测验
1、The stem of rattan canes is the main raw material of rattan furniture, which is commonly known as cane in commerce.
2、The axial compressive strength of rattan is 10 times higher than the tensile strength.
4.8 Rattan and Furniture -- Characteristics and Types of Rattan Furniture随堂测验
1、In bamboo and rattan furniture, rattan or bamboo pole is often used as the skeleton and rattan skin as the binding material. What materials are rattan strips or bamboo strips used for?
A、Decorative materials.
B、Braiding material.
C、Structural materials.
D、Supporting materials.
2、What are the common types of rattan furniture?
A、Rattan skin furniture.
B、Rattan core furniture.
C、Original rattan furniture.
D、Grinding rattan furniture.
4.9 Rattan and Furniture -- Modeling Characteristics of Rattan Furniture随堂测验
1、In rattan furniture, in order to maintain the natural color of rattan stem or rattan core itself, the surface coating and decoration methods of rattan furniture are mostly used
A、opaque finishing.
B、transparent finishing
C、overlay.
D、inlay.
2、What are the following aspects of rattan furniture's rich modeling image and unique formal beauty?
A、Smooth and changeable line.
B、Simple and natural color and texture.
C、Stable, closed and thick.
D、Exquisite craft decoration beauty.
Unit Test
1、The organs of bamboo plants include roots, underground stems, bamboo poles, bamboo buds, branches, leaves, etc. which of the above parts is the main raw material of bamboo furniture?
A、Bamboo roots.
B、Bamboo poles.
C、Bamboo branches.
D、Bamboo leaves.
2、In the process of production and processing of glued laminated bamboo, the original bamboo is treated into bamboo pieces of certain specifications, which need to be treated with three prevention measures before forming the blank, "Three Prevention" refers to:
A、anti-corrosion.
B、anti-tarnish.
C、mould proofing.
D、insect prevention.
3、Compared with wood, which of the following are the advantages of rattan in wood properties?
A、Light weight, small modulus of elasticity and large bending strength.
B、Good plasticity, easy to bend.
C、Fast growth and convenient cutting.
D、Not easy to moth and rot.
4、China is the country with the most abundant bamboo resources in the world, known as the kingdom of bamboo.
5、Rattan canes, commonly used in rattan furniture, belongs to woody Liana.
6、In order to enrich the color and texture of rattan furniture, in addition to retaining the natural color of rattan, rattan skin, rattan strips and rattan strips can be dyed to increase the artistic beauty of rattan furniture.
Chapter 5 Wood-based Panels and Furniture
5.1 Wood-based Panels and Panel Furniture随堂测验
1、The main characteristics of wood-based panel are
A、variety, large size, adjustable density and thickness, excellent machining performance.
B、symmetrical structure, isotropic material (adjustable), stable size and small deformation.
C、the surface is smooth and smooth, easy to be pasted or painted, and the decorative effect of facing wood-based panel is rich and varied.
D、free formaldehyde pollution may exist.
2、The main raw material of wood-based panels is wood or no-wood plant fiber material.
5.2 Plywood and Furniture随堂测验
1、There are three principles for the composition of ordinary plywood, which are as follows.
A、Principle of structural symmetry.
B、Principle of texture perpendicular to each other.
C、Principle of odd layer.
D、Principle of the same tree species.
2、When purchasing plywood, the precautions include.
A、Pay attention to the product information on the plywood product board.
B、Observe whether the front and back sides of plywood are smooth and flat.
C、Check the plywood for degumming.
D、Check the joint and adhesive strength of the board surface.
5.3 Moulded Plywood and Furniture随堂测验
1、Moulding plywood can be classified as follows.
A、Classification by stress.
B、Classification by surface machining state.
C、Classification by occasion of use.
D、Classification by use.
2、Moulding plywood, also known as bending plywood, is a kind of non-plane curved plywood which is made of veneer or veneer and facing material by gluing, assembling and molding.
5.4 Blockboard and Furniture随堂测验
1、The main advantages of the block board are:
A、the overall quality requirements of raw materials are relatively low, the rubber consumption is small, the cost is low, the weight is light, and the damage to the cutting tool is small.
B、"wood natural color" is well maintained (similar to the machining performance of natural wood), with high mortise strength and strong nail holding force.
C、simple production process and less equipment investment.
D、low energy consumption in production process.
2、The block boards, also known as big core board, is a kind of wood-based board composed of wood strips along the grain direction and glued with single board or plywood on both sides.
5.5 Gluded Laminated Timber and Furniture随堂测验
1、The main characteristics of the glued laminated timber are:
A、large use of small materials and superior use of inferior materials can be realized.
B、it can have unique artistic effect and design style, and has high "freedom" of panel and component modeling design
C、high strength, stable size.
D、long life of furniture.
2、Non-structural glued laminated timber used in furniture production is a kind of material which integrates and glues the boards and small square materials whose fiber direction is basically parallel in the direction of length, width and thickness.
5.6 Particleboard and Furniture随堂测验
1、In particleboard furniture, the varieties of particleboard that can be used are as follows.
A、General purpose particleboard (P1 type board) used in dry conditions.
B、Furniture grade particleboard (P2 type board) used in dry conditions.
C、Furniture grade particleboard (P6 type board) used in humid conditions.
D、Furniture grade particleboard (P10 type board) used in high humid conditions.
2、Particleboard is a kind of wood-based panels, which is made of wood or non-wood plant fiber raw materials and processed into particleboard (or broken material), applied with adhesive (and other additives), formed by forming and hot pressing.
5.7 Oriented Strand Board and Furniture随堂测验
1、OSB is a multi-layer structural board made of wood flakes of specified shape and thickness, which is paved directionally after sizing and then hot pressed. Its surface flakes are arranged directionally along the length or width of the board.
2、In the production of oriented strand board, the products with different strength values can be obtained by changing the orientation rate of the particleboard.
5.8 Fiberboard and Furniture随堂测验
1、The main characteristics of hardboard are as follows.
A、Generally, it is thin plate with thickness less than 5mm, large size and high density.
B、High strength, good bending performance, no crack on the surface.
C、There is a net pattern on the back, the plate structure is asymmetric, and the deformation is large after moisture absorption.
D、All of the above.
2、The main characteristics of furniture grade MDF are as follows.
A、Moderate density, uniform structure, isotropy, excellent mechanical properties.
B、The product is smooth on both sides, flat on the surface, easy to be painted and pasted.
C、It can be sawed, drilled, tenoned, sanded, engraved, and made into various profiles.
D、High moisture absorption and water absorption, need veneering and edge sealing.
5.9 Decorative Veneered Wood-based Panel and Furniture随堂测验
1、The main purpose of overlaying the wood-based panel surface is to
A、realize the function of decoration and beautification.
B、improve surface properties and physical and mechanical properties.
C、improve the aging resistance and prolong the service life of the panels.
D、make furniture production process continuous and automatic.
2、Decorative veneer, also known as thin wood, is a thin piece of wood, which is processed by planning or rotary cutting. Generally, the wood with thickness less than 0.55mm and thickness less than 0.35mm is called micro thin wood.
5.10 Resin Impregnated Paper Overlaid Wood-based Panel and Furniture随堂测验
1、The production process of high-pressure decorative board overlaid wood-based panel is the same as that of low-pressure impregnated paper overlaid wood-based panel.
2、The high-pressure decorative board overlaid wood-based panel commonly to be used in the cabinet platform panel or the high wear-proof strengthened floor. Low pressure resin-impregnated paper overlaid wood-based panel is commonly used in common office furniture and civil furniture.
Unit Test
1、What form can the oriented strand board make furniture?
A、Making furniture after direct oil cleaning and painting.
B、Match with other materials to make furniture.
C、Used for making furniture parts.
D、All of the above.
2、The main characteristics of furniture grade particleboard are
A、the size, density and thickness of the product can be adjusted, and the performance is isotropic.
B、no natural defects, with certain strength, can meet the functional requirements of furniture.
C、undecorated board has poor decoration, rough edge and easy moisture absorption deformation, so it needs to be pasted and edge sealed.
D、the grip force of screws, especially the grip force of screws, is low, and fasteners should not be disassembled for many times.
3、The main features of resin-impregnated paper overlain wood-based panels are as follows.
A、Beautiful pattern and rich color change.
B、High pressure decorative panel overlaid wood-based panel not only has good decorative effect, but also has high comprehensive resistance and good physical and mechanical properties.
C、The low-pressure resin-impregnated paper decorative panel has the advantages of simple process, high production efficiency, less paper and glue consumption and energy saving, so the product has high cost performance.
D、The veneer of high-pressure decorative board overlaid wood-based panels or low-pressure resin-impregnated paper decorative board can be made into various types, and the performance can also be enhanced.
4、Panel furniture is a kind of furniture which is made up of wood-based panels and treated with surface decoration to form basic structural unit and main body.
5、The raw materials of the block boards are mostly short and small, which can make full use of China's rich artificial fast-growing forest resources, and is an effective way to optimize the use of poor wood.
Chapter 6 Metal and Furniture
6.1 Metal Furniture and Classification随堂测验
1、Metal furniture is divided into several categories according to its use, which are as follows.
A、Cabinets and shelves.
B、Chairs.
C、Tables.
D、Beds.
2、Steel wood furniture refers to the furniture made of metal materials as the main components and properly combined with wood materials.
6.2 Metal Materials and Properties随堂测验
1、What element is the only or main alloy element of brass?
A、zinc (Zn).
B、tin (Sn).
C、lead (Pb).
D、nickel(Ni).
2、Chromium and nickel are the most commonly used elements in stainless steel, which can form a stable and compact passivation film on the surface of steel, which can effectively slow down the corrosion of metal.
6.3 Metal Furniture Finishing Materials随堂测验
1、The resins commonly used in plastic powder coating are
A、epoxy resin.
B、polytetrafluoroethylene powder.
C、nylon.
D、All of the above.
2、The composition of the coating includes:
A、film forming substance.
B、pigment.
C、solvent.
D、auxiliary reagent.
6.4 Characteristics of Metal Furniture随堂测验
1、The suitable structural forms of metal furniture are
A、disassembly and assembly.
B、fold.
C、indigitation.
D、socket.
2、Some parts of metal furniture are most suitable for stamping and bending, which is a typical non chip and less chip processing technology.
6.5 Metal Furniture Surface Finishing随堂测验
1、The three necessary conditions for electroplating are
A、power supply.
B、electrode.
C、electroplating tank and plating solution.
D、plated parts.
2、A colorless and transparent oxide film is formed on the surface of stainless steel after oxidation treatment, which is strengthened by the interference of reflected light and refracted light through the oxide film, thus showing different colors. If the thickness of oxide film is changed, the color will change accordingly.
6.6 Metal Furniture Evaluation随堂测验
1、Furniture evaluation should be carried out from the following aspects of furniture products, specifically:
A、structure and shape.
B、use function.
C、selected materials.
D、processing quality.
2、Usually, bending, bending, welding and other processing technologies are used to make metal chairs from metal sheets, thin-walled pipes or bars.
6.7 Furniture Hardware随堂测验
1、The three in one connector realizes the quick disassembly and assembly function of panel furniture. Three in one connector is mainly used for what connection between furniture panels.
A、Horizontal connection.
B、Vertical connection.
C、Oblique connection.
D、All the above.
2、Furniture hardware fittings are classified as: connector, hinge, slide rail, positioning piece, foot stand, bracket, handle, caster and lock.
Unit Test
1、What is the content of alloy elements in low alloy steel?
A、<3%.
B、5-10%.
C、>10%.
D、>20%.
2、Metal furniture refers to the furniture which is mainly composed of metal materials and made of wood, wood-based panel, leather, textile fabric, plastic, glass, stone and other auxiliary materials, or all of which are made of metal materials. Among them, the forms of metal materials can be as follows.
A、Metal sheet.
B、Metal pipe.
C、Metal profile.
D、Metal wire.
3、The functions of metal surface lacquering mainly include:
A、protect.
B、decorate.
C、sign.
D、special purpose function.
4、Furniture hardware accessories refer to the furniture components that connect the furniture structure and realize the use function, mainly including.
A、Connector.
B、Functional parts.
C、Decorative parts.
D、Other accessories.
5、Electroplating is a redox reaction. The metal to be plated is used as the cathode and the plating material as the anode, and they are immersed together in a metal salt solution. When the applied current passes through the electrolyte, the crystallization process of metal or alloy precipitates on the cathode.
Chapter 7 Plastics and Furniture
7.1 The History of Plastics随堂测验
1、Bakelan, the inventor of bakelite, calls itself "versatile material", which has the following main performance characteristics are
A、insulation.
B、sable.
C、heat-resisting.
D、no aging.
2、The first synthetic plastic, phenolic plastics, was invented by the Belgian American chemist Leo Hendrick Baekeland.
7.2 Classification of Plastics随堂测验
1、According to thermal properties, plastics can be divided into:
A、Thermoplastic and thermosetting plastics.
B、Heat resistant plastics and non-heat resistant plastics.
C、Fire resistant plastics and combustible plastics.
D、Plastics for high temperature use and plastics for normal temperature use
2、Plastic is the abbreviation of plastic polymer material. It is a kind of material with synthetic resin as the main component, proper additives, molding under certain temperature and pressure, and shape can be maintained after cooling.
7.3 Special Properties of Plastics随堂测验
1、When the plastic burns to form a fire, it can have a great destructive effect, mainly including.
A、Smoke suffocation.
B、Toxic effect of toxic gas.
C、Effect of flame burn.
D、All of the above.
2、Which of the following properties are the characteristics of plastics?
A、Good electrical insulation.
B、Heat insulation and sound insulation.
C、Good transparency.
D、Good plasticity.
7.4 Nomenclature of Plastics随堂测验
1、In plastic products, containers with this kind of logo are usually used for making
A、mineral water bottle.
B、soda bottle.
C、plastic milk bottle.
D、plastic "space Cup".
2、"Polyethylene" and "vinyl chloride" are named according to simple rules based on the original materials (monomers), which is called popular nomenclature.
7.5 Composition of Plastics随堂测验
1、Which of the following options are commonly used organic fillers in plastics?
A、Wood flour.
B、Cotton.
C、Scraps of paper.
D、Toner.
2、Colorants can enhance the color and beauty of plastics, mainly including the following.
A、Inorganic pigment.
B、Organic pigment.
C、Dyestuff.
D、Natural dye.
7.6 Molding Technology of Plastics随堂测验
1、Observe the parts in the figure below. What is the method of forming?
A、Injection molding.
B、Compression Molding.
C、Extrusion molding.
D、Calendering
2、Which of the following options are plastic molding methods?
A、Hollow blow molding.
B、Thermoforming.
C、Rotational Molding.
D、3D printing.
7.7 Common Plastics for Furniture: Polyvinyl Chloride, PVC随堂测验
1、Which of the following is the first country to realize industrial production of PVC?
A、Britain.
B、Germany.
C、France.
D、Japan.
2、The main characteristics of rigid PVC transparent board include the following.
A、Water clear.
B、Good mechanical properties.
C、High thermal stability.
D、Chemical resistance.
7.8 Common Plastics for Furniture: Polyethylene, PE随堂测验
1、Which of the following are the characteristics of polyethylene (PE) materials?
A、The permeability to water vapor is low.
B、Good moisture resistance.
C、Good water resistance.
D、Excellent thermal adhesion.
2、Polyethylene plays an important role in packaging materials.
7.9 Common Plastics for Furniture: Polypropylene, PP随堂测验
1、Which of the following plastics can be put into microwave oven for heating?
A、Polyvinyl chloride (PVC).
B、Polypropylene (PP).
C、Polyethylene (PE).
D、Polycarbonate (PC).
2、Now, there are many furniture made of PP, including the following famous furniture works.
A、The Eames' little elephant stool.
B、Mr. Panton's Panton chair.
C、Mr. Ross's Alien dining chair.
D、Mr. Phillip Stark's Master chair.
7.10 Common Plastics for Furniture: Polystyrene, PS随堂测验
1、Please look at the picture below. What material is this breakfast box made of?
A、PVC.
B、PS.
C、PE.
D、PP.
2、Polystyrene (PS) is a kind of thermoplastic widely used in general plastics. Because the raw material is easy to be made from petroleum, its price is low.
7.11 Common Plastics for Furniture: Polymethyl Methacrylate, PMMA (Acrylic)随堂测验
1、Please look at the picture below. What kind of plastic is this furniture made of?
A、PVC.
B、PP.
C、PMMA.
D、PS.
2、Polymethylmethacrylate (PMMA) is commonly known as plexiglass.
7.12 Common Plastics for Furniture: Polycarbonate, PC随堂测验
1、Which of the following materials are usually used to make pure water buckets, goggles, sunshades, etc?
A、PVC.
B、PP.
C、PC.
D、PS.
2、Polycarbonate (PC) has the characteristics of colorless, odorless, tasteless, nontoxic, high strength, impact strength, etc.
7.13 Common Plastics for Furniture: Glass Fiber Reinforced Plastics, GRP随堂测验
1、What kind of plastic is used to make the seat surface of the furniture seat in the following picture?
A、PP.
B、PE.
C、GRP.
D、PMMA.
2、Glass fiber reinforced plastic (GRP) is made of glass fiber as reinforcement material, unsaturated polyester, epoxy resin or phenolic resin as matrix, by resin impregnation, adhesion and curing.
7.14 Common Plastics for Furniture: Polyurethane, PU随堂测验
1、Polyurethane (PU) can be divided into linear structure and body structure according to its structure.
2、The classic furniture in the figure below is made of polyurethane (PU).
7.15 Plastic Culture随堂测验
1、It's the radical designers in Europe who are really happy with plastics. Plastic furniture has never been smooth surface, organic modeling and gorgeous color to better express their creativity.
2、Wallace Hume Carothers is the inventor of nylon and neoprene.
Unit Test
1、There is a kind of synthetic material, which is one of the core clues of the material world in the past 100 years. With it, there will be a consumer revolution, and radio, television, computers, synthetic fibers, disposable appliances will be mass produced. This modern material is
A、Metal.
B、Plastic.
C、Glass.
D、Carbon fiber.
2、Which kind of plastic is commonly used furniture material?
A、Thermoplastic.
B、Thermosetting plastics.
C、Degradable plastics.
D、All plastics.
3、In the plastic composition formula, what kind of substance can cause the deformity of the baby's genitals, so it is forbidden to be used in the food and the packaging materials of the baby food?
A、Synthetic resin.
B、Plasticizer.
C、Filler.
D、Colorant.
4、Which of the following options are plastic molding methods?
A、Hollow blow molding.
B、Thermoforming.
C、Rotational Molding.
D、3D printing.
5、According to the different amount of plasticizer, PVC products are divided into three categories: hard, semi-hard and soft.
Chapter 8 Glass and Furniture
8.1 Glass Overview随堂测验
1、In the 4th century B.C., which of the following countries invented glass casting, carvings, engraving and gold plating?
A、Egypt.
B、Lebanon.
C、Germany.
D、Syria.
2、What century was that in A.D? Since the invention of flat glass manufacturing technology, glass has been used in the windows of buildings, the most typical is the colored glass in medieval churches.
A、The 9th century A.D.
B、The 10th century A.D.
C、The 11th century A.D.
D、The 12th century A.D.
8.2 Basic Knowledge: Composition and Classification随堂测验
1、Glass classification by use is the most common classification method. What kind of glass can be classified by this classification method?
A、Daily glass.
B、Architectural glass.
C、Technical glass.
D、Glass fibre.
2、Glass can be divided into oxide glass and non-oxide glass according to its main components.
8.3 Basic Knowledge: Features and Defects随堂测验
1、After long-term use, the surface gloss of ordinary window glass will disappear or darken, and even spots and greasy films will appear, which is caused by the reaction of alkali oxide in the glass with CO2 in humid air to form carbonate. What is the phenomenon called？
A、The glass get damp.
B、Glass stone.
C、The glass is moldy.
D、The glass is corroded
2、If you look in the mirror of the wardrobe and see that your image is deformed, there must be something wrong with your own eyes.
8.4 Basic Knowledge: Surface Technology随堂测验
1、Which of the following processes can remove the crack layer on the surface of glass products and make the glass surface smooth, transparent and glossy?
A、Grind.
B、Polishing.
C、Tempering.
D、Surface coating.
2、Which glass surface treatment process is used for the glass curtain wall shown in the following picture?![]()
A、Chemical polishing.
B、Glass painting.
C、Glass surface coating.
D、Glass surface coloring.
8.5 Common Furniture Glass: Flat Glass(1)随堂测验
1、Which of the following types of glass is commonly used in furniture to make cabinet doors and table tops?
A、Hot bent glass.
B、Plate glass.
C、Hot pressed glass.
D、Hot melt glass.
2、The glass commonly used in furniture manufacturing is mainly flat glass and hot bent glass.
8.6 Common Furniture Glass: Flat Glass(2)随堂测验
1、Tempered glass, also known as reinforced glass, is a secondary processing product of flat glass.
2、The main feature of frosted glass is light transmission and no perspective.
8.7 Common Furniture Glass: Hot Bending Glass随堂测验
1、What are the main characteristics of hot bending glass furniture?
A、The furniture has soft lines and many changes.
B、The expressive power of language is stronger and richer.
C、It can realize integrated modeling, such as integrated water tank sink.
D、Three dimensional sense of furniture structure level is strong.
2、The hot-melt glass is made by using a special hot-melt furnace to heat the glass above the softening point, and then the flat glass is molded in a special molding die, and then annealed.
8.8 New Glass Products: Energy Conservation Glass随堂测验
1、Energy saving glass can only be used in buildings, not in household, furniture and interior decoration.
2、The heat absorbing glass can absorb a lot of infrared radiation energy and maintain a high visible light transmittance.
8.9 New Glass Products: Laminated Glass随堂测验
1、Which new type of glass is used in furniture in the following figure?![]()
A、Sandwich glass.
B、Hollow glass.
C、Wired glass.
D、Plate glass.
2、Intelligent dimming glass can be used not only in building and interior decoration, but also in sliding doors of furniture.
Unit Test
1、Which new type of glass is used in furniture in the following figure?![]()
A、Plate glass.
B、Sandwich glass.
C、Hollow glass.
D、Wired glass.
2、Which processing method is used for the patterned glass shown in the following picture？![]()
A、Sandblasting.
B、Embossing.
C、Coloured drawing.
D、Carved flowers.
3、What are the main characteristics of insulating glass?
A、Transparence and non-perspectivity.
B、Anti-dewing property.
C、Sound insulation and noise reduction.
D、Thermal insulation.
4、The glass commonly used in furniture manufacturing is mainly flat glass and hot bent glass.
Final examination
Final examination
1、The relationship between furniture and materials is as follows.
A、The supporting function of materials is the necessary condition of furniture products.
B、The texture of materials restricts the style and School of furniture modeling.
C、The properties of the materials affect the furniture processing technology.
D、All of the above.
2、Wood is porous material, its mass and volume will change with different moisture content. So when it comes to wood density, what state must be marked?
A、Temperature state.
B、Moisture content state.
C、Humidity state.
D、Pore state.
3、The phenomenon of shrinkage and swelling of wood occurs in
A、below fiber saturation point.
B、above fiber saturation point.
C、above or below the fiber saturation point.
D、no correlation with fiber saturation point.
4、Which kind of precious wood is produced in Hainan Island of China (commonly known as Hainan Huanghua pear)?
A、Bois de rose.
B、Scented rosewood.
C、Siam rosewood.
D、Burma blackwood.
5、What element is the only or main alloy element of brass?
A、zinc (Zn).
B、tin (Sn).
C、lead (Pb).
D、nickel(Ni).
6、The three in one connector realizes the quick disassembly and assembly function of panel furniture. Three in one connector is mainly used for what connection between furniture panels.
A、Horizontal connection.
B、Vertical connection.
C、Oblique connection.
D、All the above.
7、There is a kind of synthetic material, which is one of the core clues of the material world in the past 100 years. With it, there will be a consumer revolution, and radio, television, computers, synthetic fibers, disposable appliances will be mass produced. This modern material is
A、Metal.
B、Plastic.
C、Glass.
D、Carbon fiber.
8、Which kind of plastic is commonly used furniture material?
A、Thermoplastic.
B、Thermosetting plastics.
C、Degradable plastics.
D、All plastics.
9、Which of the following types of glass is commonly used in furniture to make cabinet doors and table tops?
A、Hot bent glass.
B、Plate glass.
C、Hot pressed glass.
D、Hot melt glass.
10、Which new type of glass is used in furniture in the following figure?![]()
A、Sandwich glass.
B、Hollow glass.
C、Wired glass.
D、Plate glass.
11、Three basic furniture materials include
A、wooden materials (including wood and wood-based panels).
B、metallic materials.
C、plastic.
D、glass.
12、The main characteristics of wood are as follows.
A、The texture is warm and pleasant, the temperature is adjusted and the humidity is adjusted, which is beneficial to health.
B、The material color is natural and soft, the grain is rich, the expressive force is strong, the application history is long, the cultural connotation is rich.
C、High ratio of strength to weight, moderate density and hardness, easy to carry out various forms of machining, low energy consumption in the processing.
D、Material anisotropy, dry shrinkage, wet expansion, knots, cavities and other natural defects.
13、Wood pattern can help to identify wood, and also help to improve wood decorative and value. Common wood patterns are as follows.
A、"V" pattern.
B、Bird eye pattern.
C、Burl pattern.
D、Mosaic pattern.
14、Factors affecting wood density include
A、tree species.
B、extract content.
C、site conditions.
D、tree age and trunk position.
15、In the development history of Chinese traditional Hongmu furniture, the three most important geners are
A、Su Zuo furniture (furniture made in Suzhou).
B、Xian Zuo furniture (furniture made in Xianyou).
C、Guang Zuo furniture (furniture made in Guangzhou).
D、Jing Zuo furniture (furniture made in Beijing).
16、What are the advantages of bamboo?
A、High strength, good rigidity and wear resistance.
B、Easy to process and widely used.
C、Grains straight and texture rigidity.
D、Isotropy, no deformation.
17、What are the common types of rattan furniture?
A、Rattan skin furniture.
B、Rattan core furniture.
C、Original rattan furniture.
D、Grinding rattan furniture.
18、The main characteristics of wood-based panel are
A、variety, large size, adjustable density and thickness, excellent machining performance.
B、symmetrical structure, isotropic material (adjustable), stable size and small deformation.
C、the surface is smooth and smooth, easy to be pasted or painted, and the decorative effect of facing wood-based panel is rich and varied.
D、free formaldehyde pollution may exist.
19、When purchasing plywood, the precautions include
A、Pay attention to the product information on the plywood product board
B、Observe whether the front and back sides of plywood are smooth and flat.
C、Check the plywood for degumming.
D、Check the joint and adhesive strength of the board surface.
20、The main characteristics of furniture grade particleboard are
A、the size, density and thickness of the product can be adjusted, and the performance is isotropic.
B、no natural defects, with certain strength, can meet the functional requirements of furniture.
C、undecorated board has poor decoration, rough edge and easy moisture absorption deformation, so it needs to be pasted and edge sealed.
D、the grip force of screws, especially the grip force of screws, is low, and fasteners should not be disassembled for many times.
21、The suitable structural forms of metal furniture are
A、disassembly and assembly.
B、fold.
C、indigitation.
D、socket.
22、Who has mastered the innovation of furniture materials, who has grasped the initiative of furniture product innovation.
23、Compulsory standard is a standard implemented by means of laws, administrative regulations and other compulsory means within a certain range, which has the legal attribute.
24、From ancient times to today, wood is the main part of furniture materials. It is the origin of furniture materials.
25、The control methods to reduce the drying shrinkage and swelling of wood mainly include: drying treatment, overlaying and finishing, mortising, structural change of wood anisotropy (such as plywood), etc.
26、"Hongmu", as the raw material of furniture, is the name of a specific tree species
27、The high-pressure decorative board overlaid wood-based panel commonly to be used in the cabinet platform panel or the high wear-proof strengthened floor. Low pressure resin-impregnated paper overlaid wood-based panel is commonly used in common office furniture and civil furniture.
28、A colorless and transparent oxide film is formed on the surface of stainless steel after oxidation treatment, which is strengthened by the interference of reflected light and refracted light through the oxide film, thus showing different colors. If the thickness of oxide film is changed, the color will change accordingly.
29、Furniture hardware fittings are classified as: connector, hinge, slide rail, positioning piece, foot stand, bracket, handle, caster and lock.
30、The main feature of frosted glass is light transmission and no perspective.
Final examination
Final examination
1、The relationship between furniture and materials is as follows.
A、The supporting function of materials is the necessary condition of furniture products.
B、The texture of materials restricts the style and School of furniture modeling.
C、The properties of the materials affect the furniture processing technology.
D、All of the above.
2、Wood is porous material, its mass and volume will change with different moisture content. So when it comes to wood density, what state must be marked?
A、Temperature state.
B、Moisture content state.
C、Humidity state.
D、Pore state.
3、The phenomenon of shrinkage and swelling of wood occurs in
A、below fiber saturation point.
B、above fiber saturation point.
C、above or below the fiber saturation point.
D、no correlation with fiber saturation point.
4、Which kind of precious wood is produced in Hainan Island of China (commonly known as Hainan Huanghua pear)?
A、Bois de rose.
B、Scented rosewood.
C、Siam rosewood.
D、Burma blackwood.
5、What element is the only or main alloy element of brass?
A、zinc (Zn).
B、tin (Sn).
C、lead (Pb).
D、nickel(Ni).
6、The three in one connector realizes the quick disassembly and assembly function of panel furniture. Three in one connector is mainly used for what connection between furniture panels.
A、Horizontal connection.
B、Vertical connection.
C、Oblique connection.
D、All the above.
7、There is a kind of synthetic material, which is one of the core clues of the material world in the past 100 years. With it, there will be a consumer revolution, and radio, television, computers, synthetic fibers, disposable appliances will be mass produced. This modern material is
A、Metal.
B、Plastic.
C、Glass.
D、Carbon fiber.
8、Which kind of plastic is commonly used furniture material?
A、Thermoplastic.
B、Thermosetting plastics.
C、Degradable plastics.
D、All plastics.
9、Which of the following types of glass is commonly used in furniture to make cabinet doors and table tops?
A、Hot bent glass.
B、Plate glass.
C、Hot pressed glass.
D、Hot melt glass.
10、Which new type of glass is used in furniture in the following figure?![]()
A、Sandwich glass.
B、Hollow glass.
C、Wired glass.
D、Plate glass.
11、Three basic furniture materials include
A、wooden materials (including wood and wood-based panels).
B、metallic materials.
C、plastic.
D、glass.
12、The main characteristics of wood are as follows.
A、The texture is warm and pleasant, the temperature is adjusted and the humidity is adjusted, which is beneficial to health.
B、The material color is natural and soft, the grain is rich, the expressive force is strong, the application history is long, the cultural connotation is rich.
C、High ratio of strength to weight, moderate density and hardness, easy to carry out various forms of machining, low energy consumption in the processing.
D、Material anisotropy, dry shrinkage, wet expansion, knots, cavities and other natural defects.
13、Wood pattern can help to identify wood, and also help to improve wood decorative and value. Common wood patterns are as follows.
A、"V" pattern.
B、Bird eye pattern.
C、Burl pattern.
D、Mosaic pattern.
14、Factors affecting wood density include
A、tree species.
B、extract content.
C、site conditions.
D、tree age and trunk position.
15、In the development history of Chinese traditional Hongmu furniture, the three most important geners are
A、Su Zuo furniture (furniture made in Suzhou).
B、Xian Zuo furniture (furniture made in Xianyou).
C、Guang Zuo furniture (furniture made in Guangzhou).
D、Jing Zuo furniture (furniture made in Beijing).
16、What are the advantages of bamboo?
A、High strength, good rigidity and wear resistance.
B、Easy to process and widely used.
C、Grains straight and texture rigidity.
D、Isotropy, no deformation.
17、What are the common types of rattan furniture?
A、Rattan skin furniture.
B、Rattan core furniture.
C、Original rattan furniture.
D、Grinding rattan furniture.
18、The main characteristics of wood-based panel are
A、variety, large size, adjustable density and thickness, excellent machining performance.
B、symmetrical structure, isotropic material (adjustable), stable size and small deformation.
C、the surface is smooth and smooth, easy to be pasted or painted, and the decorative effect of facing wood-based panel is rich and varied.
D、free formaldehyde pollution may exist.
19、When purchasing plywood, the precautions include
A、Pay attention to the product information on the plywood product board
B、Observe whether the front and back sides of plywood are smooth and flat.
C、Check the plywood for degumming.
D、Check the joint and adhesive strength of the board surface.
20、The main characteristics of furniture grade particleboard are
A、the size, density and thickness of the product can be adjusted, and the performance is isotropic.
B、no natural defects, with certain strength, can meet the functional requirements of furniture.
C、undecorated board has poor decoration, rough edge and easy moisture absorption deformation, so it needs to be pasted and edge sealed.
D、the grip force of screws, especially the grip force of screws, is low, and fasteners should not be disassembled for many times.
21、The suitable structural forms of metal furniture are
A、disassembly and assembly.
B、fold.
C、indigitation.
D、socket.
22、Who has mastered the innovation of furniture materials, who has grasped the initiative of furniture product innovation.
23、Compulsory standard is a standard implemented by means of laws, administrative regulations and other compulsory means within a certain range, which has the legal attribute.
24、From ancient times to today, wood is the main part of furniture materials. It is the origin of furniture materials.
25、The control methods to reduce the drying shrinkage and swelling of wood mainly include: drying treatment, overlaying and finishing, mortising, structural change of wood anisotropy (such as plywood), etc.
26、"Hongmu", as the raw material of furniture, is the name of a specific tree species
27、The high-pressure decorative board overlaid wood-based panel commonly to be used in the cabinet platform panel or the high wear-proof strengthened floor. Low pressure resin-impregnated paper overlaid wood-based panel is commonly used in common office furniture and civil furniture.
28、A colorless and transparent oxide film is formed on the surface of stainless steel after oxidation treatment, which is strengthened by the interference of reflected light and refracted light through the oxide film, thus showing different colors. If the thickness of oxide film is changed, the color will change accordingly.
29、Furniture hardware fittings are classified as: connector, hinge, slide rail, positioning piece, foot stand, bracket, handle, caster and lock.
30、The main feature of frosted glass is light transmission and no perspective.
1.1 Definition, Variety and Classification of Furniture Materials随堂测验
1、The relationship between furniture and materials are as follows.
A、The supporting function of materials is the necessary condition of furniture products.
B、The properties of the materials affect the furniture processing technology.
C、The texture of materials restricts the style and school of furniture modeling.
D、All of the above.
2、Three basic furniture materials include:
A、wooden materials (including wood and wood-based panels),
B、metallic materials,
C、plastic.
D、glass.
1.2 Collocation of Furniture Materials随堂测验
1、The reasons why material collocation is still popular in furniture production include.
A、The shortage of wood resources.
B、Furniture structure and modeling requirements.
C、The change of aesthetic concept and the demand of individuation.
D、All of the above.
2、"Collocation or combination use of furniture materials" is a method of furniture materials in modern society, which has not a long history.
1.3 Innovation and Development Trend of Furniture Materials随堂测验
1、Carbon fiber is more and more popular with furniture designers, because the unique features of this new material are
A、light weight and high strength.
B、cheapness.
C、good weather resistance.
D、rich in color.
2、There are two levels of furniture material innovation, namely, the research and development of new furniture materials and the innovative use of traditional furniture materials.
1.4 Brief Introduction of Furniture Materiasl Standards随堂测验
1、In the furniture industry, a few national mandatory standards include
A、General technical requirements for children's furniture.
B、Indoor decorating and refurbishing materials-Limit of formaldehyde emission of wood-based panels and finishing products.
C、Limit of harmful substances of plastic furniture.
D、Wood furniture—General technical requirements.
2、Compulsory standard is a standard implemented by means of laws, administrative regulations and other compulsory means within a certain range, which has the legal attribute.
Unit Test
1、There are three common forms of "collocation or combination" of furniture materials, namely：
A、collocation or combination of different natural materials.
B、collocation or combination between natural materials and artificial materials。
C、collocation or combination of different artificial materials.
D、collocation or combination of personalized materials.
2、In a broad sense, furniture material can be any kind of material with certain strength and durability.
3、Who has mastered the innovation of furniture materials, who has grasped the initiative of furniture product innovation.
4、The implementation of various relevant level standards can regulate the furniture market and provide effective guidance, testing and legal protection basis for producers, quality inspection departments and consumers.
Chapter 2 Wood and Furniture
2.1 Characteristics and Functions of Wood随堂测验
1、The main characteristics of wood are as follows.
A、The texture is warm and pleasant, the temperature is adjusted and the humidity is adjusted, which is beneficial to health.
B、The material color is natural and soft, the grain is rich, the expressive force is strong, the application history is long, the cultural connotation is rich.
C、High ratio of strength to weight, moderate density and hardness, easy to carry out various forms of machining, low energy consumption in the processing.
D、Material anisotropy, dry shrinkage, wet expansion, knots, cavities and other natural defects.
2、From ancient times to today, wood is the main part of furniture materials. It is the origin of furniture materials.
2.2 Main Macroscopic Characteristics of Wood随堂测验
1、The macroscopic structural feature of wood is the appearance that can be seen under the naked eye and low power magnifying glass.
2、The existence of vessels is an important basis to distinguish hardwood and coniferous wood.
2.3 Secondary Macroscopic Characteristics of Wood随堂测验
1、The secondary macroscopic characteristics of wood include the following.
A、Color and luster.
B、Odor and taste.
C、Grain and structure.
D、All of the above.
2、What kind of material deposition and penetration in the wood voids lead to different colors of wood?
A、Pigment.
B、Tannin.
C、Resin.
D、All of the above.
2.4 A Brief Introduction of Wood Macroscopic Identification Method随堂测验
1、The retrieval methods of wood include.
A、Dichotomous Key.
B、The punch card retrieval key.
C、Computer retrieval system.
D、All of the above.
2、Macroscopic identification of wood is to distinguish and identify unknown wood by naked eye or with the help of low power magnifying glass according to the difference of macroscopic characteristics and auxiliary characteristics of wood.
2.5 Density of Wood随堂测验
1、Wood is porous material, its mass and volume will change with different moisture content. So when it comes to wood density, what state must be marked?
A、Temperature state.
B、Moisture content state.
C、Humidity state.
D、Pore state.
2、Factors affecting wood density include:
A、tree species.
B、extract content.
C、site conditions.
D、tree age and trunk position.
2.6 Moisture Content of Wood随堂测验
1、When wood is in the equilibrium state of neither moisture absorption nor desorption, what is its moisture content value called?
A、Air dry moisture content.
B、Absolute dry water content.
C、Equilibrium moisture content.
D、Green moisture content.
2、When the moisture content is lower than the fiber saturation point, the wood strength, volume and resistance are all related to the moisture content. When the moisture content is higher than the fiber saturation point, the increase or decrease of moisture content in wood has little effect on wood properties.
2.7 Shrinkage and Swelling of Wood随堂测验
1、The influencing factors of wood shrinkage and swelling include.
A、Density.
B、Temperature.
C、Late wood rate.
D、Tree species.
2、The control methods to reduce the drying shrinkage and swelling of wood mainly include: drying treatment, overlaying and finishing, mortising, structural change of wood anisotropy (such as plywood), etc.
2.8 Mechanical Strength of Wood随堂测验
1、Wood splitting resistance refers to the ability to resist the cleavage along the grain under the action of sharp wedge, and the main factors affecting its size include.
A、Density.
B、Structure.
C、Porosity.
D、Moisture content.
2、The factors affecting the mechanical strength of wood only include density and moisture content.
2.9 Several Kinds of Commonly Used Wood for Making Furniture随堂测验
1、What kind of wood odor can repel insects and mildew? It is often used to make suitcases and bookcases, with a lasting fragrance and refreshing effect.
A、Camphor wood.
B、Elm wood.
C、Teak wood.
D、Toothed oak.
2、Nanmu used to be the most commonly used wood in Ming and Qing furniture except for Red sanders and Scented rosewood ("Royal timber").
Unit Test
1、The importance of wood density in wood physical properties belongs to
A、unimportant physical quantity.
B、physical quantity of general importance.
C、the most important physical quantity.
D、indexes unrelated to wood physical properties.
2、The phenomenon of shrinkage and swelling of wood occurs in
A、below fiber saturation point.
B、above fiber saturation point.
C、above or below the fiber saturation point.
D、no correlation with fiber saturation point.
3、In addition to regulating and medicinal effects, the health care effect of wood also includes the following effect.
A、Visual performance.
B、Tactile effect.
C、Auditory efficacy.
D、Olfactory effect.
4、Wood pattern can help to identify wood, and also help to improve wood decorative and value. Common wood patterns are as follows.
A、"V" pattern.
B、Bird eye pattern.
C、Burl pattern.
D、Mosaic pattern.
5、The mechanical strength of wood mainly includes:
A、compressive strength.
B、tensile strength.
C、bending strength.
D、shear strength.
6、Burl wood furniture in the application of materials, highlighting a unique "morbid beauty".
Chapter 3 Hongmu and Furniture
3.1 Definition and Standard of Hongmu随堂测验
1、In the current national standard of Hongmu, the range of mahogany listed includes:
A、33 species, 8 classes, 5 genera.
B、29 species, 7 classes, 5 genera.
C、29 species, 8 classes, 5 genera.
D、29 species, 9 classes, 5 genera.
2、"Hongmu", as the raw material of furniture, is the name of a specific tree species.
3.2 Main Hongmu and Its Characteristics (1)随堂测验
1、Red sanders belongs to Pterocarpus, Pterocarpusspp.
2、Burma padauk belongs to Pterocarpus spp, also known as Burmese rosewood.
3.3 Main Hongmu and Its Characteristics (2)随堂测验
1、For the characteristics of Ceylon ebony, which of the following descriptions are correct？
A、Strong properties, heavy weight.
B、Black as ink.
C、Bright as lacquer.
D、It is often used with light colored wood to form a contrast.
2、African wenge (African chicken wing wood) belongs to Gypsophila, Senna spp.
3.4 Three Schools of Traditional Hongmu Furniture随堂测验
1、In the development history of Chinese traditional Hongmu furniture, the three most important geners are:
A、Su Zuo furniture (furniture made in Suzhou).
B、Xian Zuo furniture (furniture made in Xianyou).
C、Guang Zuo furniture (furniture made in Guangzhou).
D、Jing Zuo furniture (furniture made in Beijing).
2、The characteristics of Guang Zuo furniture (furniture made in Guangzhou) in terms of materials are: "cherish materials as gold".
3.5 Classic Appreciation of Traditional Hongm Furniture -- Chairs and Stools随堂测验
1、Hu bed, a small foldable seat without backrest and handrail, originated from the nomadic people in the north. What was it called in Ming and Qing Dynasties?
A、Cross-stool（folding stool）.
B、Officer's Hat chair with four stretching ends.
C、Rose chair.
D、Jiao Yi (folding chair).
2、"Ming style furniture" refers to the furniture produced from the middle of Ming Dynasty to the early Qing Dynasty with high-quality hardwoods such as rosewood and rosewood as the main materials, as well as the excellent furniture made of nanmu, beech, elm, etc. with exquisite design, fine production and simple style.
3.6 Classic Appreciation of Traditional Hongmu Furniture -- Tables, Cases and Tea Tables随堂测验
1、The correct name for the furniture in the picture is
A、Eight Immortals tables.
B、An(rectangular table) with flat surface.
C、Qiaotao An（An with slight up-warping of both sides of the table surface）
D、Tables for playing Chinese zither.
2、In traditional Chinese furniture, "table" is mostly furniture with different practical functions, while " An(rectangular table)" is more used to display vases, screens and other decorative objects.
3.7 Classic Appreciation of Traditional Hongmu Furniture -- Bed Type随堂测验
1、The furniture that can be used as seat and bedding with only the bed and no device on it is called
A、Couch.
B、Hu bed.
C、Luohan bed.
D、Canopy bed.
2、The correct name for the furniture in the figure below is "Alcove bedstead".
3.8 Classic Appreciation of Traditional Hongmu Furniture -- Cabinet Frame and Other Categories随堂测验
1、The hanging screen in the figure below, in which the inlaid material is
A、natural marble.
B、mother-of-pearl inlay.
C、metal.
D、enamel.
2、In traditional Chinese mahogany furniture, besides the rounding of various components, the Rounded-corner cabinet has the biggest feature of different thickness from top to bottom, with obvious "Side angles " and " Contracture ".
3.9 Hongmu and Hongmu Culture随堂测验
1、Chinese people choose wood as the main material of architecture and furniture, which has a lot to do with wood's unique properties. What's the right description of "character" of wood？
A、Easy to process, flexible and free.
B、Strong and durable.
C、Warm and human.
D、Adjust temperature and humidity, Warm in winter and cool in summer.
2、Mortise and tenon joint is the main form of Chinese traditional mahogany furniture parts connection, which is the representative of Chinese "woodwork" technology.
3.10 Art Features of Hongmu Furniture随堂测验
1、What are the artistic features of Chinese traditional Hongmu furniture?
A、Appropriate scale, and well proportioned.
B、Well-earned, stable and straightforward.
C、It comes to line-based, and flexible
D、Natural and graceful, and delicate detail
2、In Chinese traditional Hongmu furniture, various leg types, brain building forms and abundant thread feet all reflect the artistic characteristics of "line modeling" of Hongmu furniture.
3.11 Maintenance of Hongmu Furniture随堂测验
1、In the maintenance of Hongmu, we should pay attention to comply with "woodiness". In the season changing period, in order to cope with the obvious change of drying and humidity. What's the right way?
A、Open the cabinet door, open the drawer, and let the furniture pass through the wind synchronously inside and outside.
B、Close the doors and drawers. Keep stable.
C、Do not expose furniture directly to the sun or air.
D、Try to keep the furniture in a cool and dry place.
2、The dust on the surface of Hongmu furniture can be wiped with a damp towel.
Unit Test
1、Which kind of precious wood is produced in Hainan Island of China (commonly known as Hainan Huanghua pear)？
A、Bois de rose.
B、Scented rosewood.
C、Siam rosewood.
D、Burma blackwood.
2、The core board of the Hongmu round table in the figure below has natural texture and color. It comes from the intertwined and natural texture of the old trunk during the growth of trees. In rosewood furniture, it is called
A、grimace.
B、cattle hair pattern.
C、burl.
D、golden star.
3、The material of the furniture is exquisite and the style of the royal family is elegant. Solemn and generous, solemn and noble. This kind of furniture belongs
A、Su Zuo furniture (furniture made in Suzhou).
B、Jing Zuo furniture (furniture made in Beijing).
C、Guang Zuo furniture (furniture made in Guangzhou).
D、Jin Zuo furniture (furniture made in Shanxi).
4、In traditional Chinese mahogany furniture, besides the rounding of various components, the Rounded-corner cabinet has the biggest feature of different thickness from top to bottom, with obvious "Side angles " and " Contracture ".
5、“You can't put a hot tea on a cold table”. It is said that mahogany furniture should avoid sudden cold in the use environment.
Chapter 4 Bamboo/Rattan and Furniture
4.1 Bamboo and Furniture -- Bamboo Resources and Species随堂测验
1、In many bamboo species, which one is the bamboo with high industrial utilization value and the most important material for bamboo furniture？
A、Moso bamboo.
B、Neosinocalamus affinis.
C、Henon bamboo.
D、Bambusa multiplex.
2、Which of the following descriptions of bamboo characteristics are correct?
A、Fast growing.
B、Natural color and texture.
C、Short rotation period.
D、Good in materials.
4.2 Bamboo and Furniture -- Characteristics of Bamboo随堂测验
1、What are the advantages of bamboo?
A、High strength, good rigidity and wear resistance.
B、Easy to process and widely used.
C、Grains straight and texture rigidity.
D、Isotropy, no deformation.
2、Bamboo has hygroscopicity, which will lead to the instability of bamboo size, even warpage, deformation and cracking, as well as the decline of mechanical properties of bamboo, affecting the use of bamboo.
4.3 Bamboo and Furniture -- Types of Bamboo Furniture随堂测验
1、What kinds of furniture can be divided into according to different structural forms with bamboo as the basic material?
A、Round Bamboo Furniture.
B、Glued Laminated Bamboo Furniture.
C、Reconstituted Bamboo Furniture.
D、Reconstituted Bamboo Furniture.
2、The materials in the following pictures are made of natural bamboo as raw materials into rectangular bamboo pieces of certain specifications, which are glued by three proofing treatment, drying, gluing and other processes, be known as glued laminated bamboo.
4.4 Bamboo and Furniture -- The Modelling of Bamboo Furniture随堂测验
1、The bamboo furniture in the picture below is to make the bamboo present the original green through certain treatment, which is called
A、Guaqing.
B、Cover with paint.
C、Baoqing.
D、Dyeing.
2、Which of the following descriptions are the characteristics of the shape of bamboo furniture？
A、Rich linear changes.
B、Create rich modeling beauty through winding, weaving and other structures.
C、Bamboo strips weave around the skeleton to create different texture changes.
D、Not very good at presenting texture rich and varied textur.
4.5 Bamboo and Furniture -- Innovative Design of Bamboo Furniture随堂测验
1、Materials that can be used with bamboo to make furniture often include but are not limited to the following.
A、Wood.
B、Metal.
C、Plastic.
D、Rattan.
2、What are the innovative design ideas of bamboo furniture?
A、The blending of tradition and Modernity.
B、Innovative design of structure.
C、Material matching design.
D、Bring in the doctrine.
4.6 Rattan and Furniture -- Rattan Resources and Types随堂测验
1、The most commonly used rattan in rattan furniture and rattan products is
A、Ivy.
B、Kudzu.
C、rattan canes.
D、wisteria.
2、Sinomenia is a unique wild plant resource in China.
4.7 Rattan and Furniture -- Characteristics of Rattan随堂测验
1、The stem of rattan canes is the main raw material of rattan furniture, which is commonly known as cane in commerce.
2、The axial compressive strength of rattan is 10 times higher than the tensile strength.
4.8 Rattan and Furniture -- Characteristics and Types of Rattan Furniture随堂测验
1、In bamboo and rattan furniture, rattan or bamboo pole is often used as the skeleton and rattan skin as the binding material. What materials are rattan strips or bamboo strips used for?
A、Decorative materials.
B、Braiding material.
C、Structural materials.
D、Supporting materials.
2、What are the common types of rattan furniture?
A、Rattan skin furniture.
B、Rattan core furniture.
C、Original rattan furniture.
D、Grinding rattan furniture.
4.9 Rattan and Furniture -- Modeling Characteristics of Rattan Furniture随堂测验
1、In rattan furniture, in order to maintain the natural color of rattan stem or rattan core itself, the surface coating and decoration methods of rattan furniture are mostly used
A、opaque finishing.
B、transparent finishing
C、overlay.
D、inlay.
2、What are the following aspects of rattan furniture's rich modeling image and unique formal beauty?
A、Smooth and changeable line.
B、Simple and natural color and texture.
C、Stable, closed and thick.
D、Exquisite craft decoration beauty.
Unit Test
1、The organs of bamboo plants include roots, underground stems, bamboo poles, bamboo buds, branches, leaves, etc. which of the above parts is the main raw material of bamboo furniture?
A、Bamboo roots.
B、Bamboo poles.
C、Bamboo branches.
D、Bamboo leaves.
2、In the process of production and processing of glued laminated bamboo, the original bamboo is treated into bamboo pieces of certain specifications, which need to be treated with three prevention measures before forming the blank, "Three Prevention" refers to:
A、anti-corrosion.
B、anti-tarnish.
C、mould proofing.
D、insect prevention.
3、Compared with wood, which of the following are the advantages of rattan in wood properties?
A、Light weight, small modulus of elasticity and large bending strength.
B、Good plasticity, easy to bend.
C、Fast growth and convenient cutting.
D、Not easy to moth and rot.
4、China is the country with the most abundant bamboo resources in the world, known as the kingdom of bamboo.
5、Rattan canes, commonly used in rattan furniture, belongs to woody Liana.
6、In order to enrich the color and texture of rattan furniture, in addition to retaining the natural color of rattan, rattan skin, rattan strips and rattan strips can be dyed to increase the artistic beauty of rattan furniture.
Chapter 5 Wood-based Panels and Furniture
5.1 Wood-based Panels and Panel Furniture随堂测验
1、The main characteristics of wood-based panel are
A、variety, large size, adjustable density and thickness, excellent machining performance.
B、symmetrical structure, isotropic material (adjustable), stable size and small deformation.
C、the surface is smooth and smooth, easy to be pasted or painted, and the decorative effect of facing wood-based panel is rich and varied.
D、free formaldehyde pollution may exist.
2、The main raw material of wood-based panels is wood or no-wood plant fiber material.
5.2 Plywood and Furniture随堂测验
1、There are three principles for the composition of ordinary plywood, which are as follows.
A、Principle of structural symmetry.
B、Principle of texture perpendicular to each other.
C、Principle of odd layer.
D、Principle of the same tree species.
2、When purchasing plywood, the precautions include.
A、Pay attention to the product information on the plywood product board.
B、Observe whether the front and back sides of plywood are smooth and flat.
C、Check the plywood for degumming.
D、Check the joint and adhesive strength of the board surface.
5.3 Moulded Plywood and Furniture随堂测验
1、Moulding plywood can be classified as follows.
A、Classification by stress.
B、Classification by surface machining state.
C、Classification by occasion of use.
D、Classification by use.
2、Moulding plywood, also known as bending plywood, is a kind of non-plane curved plywood which is made of veneer or veneer and facing material by gluing, assembling and molding.
5.4 Blockboard and Furniture随堂测验
1、The main advantages of the block board are:
A、the overall quality requirements of raw materials are relatively low, the rubber consumption is small, the cost is low, the weight is light, and the damage to the cutting tool is small.
B、"wood natural color" is well maintained (similar to the machining performance of natural wood), with high mortise strength and strong nail holding force.
C、simple production process and less equipment investment.
D、low energy consumption in production process.
2、The block boards, also known as big core board, is a kind of wood-based board composed of wood strips along the grain direction and glued with single board or plywood on both sides.
5.5 Gluded Laminated Timber and Furniture随堂测验
1、The main characteristics of the glued laminated timber are:
A、large use of small materials and superior use of inferior materials can be realized.
B、it can have unique artistic effect and design style, and has high "freedom" of panel and component modeling design
C、high strength, stable size.
D、long life of furniture.
2、Non-structural glued laminated timber used in furniture production is a kind of material which integrates and glues the boards and small square materials whose fiber direction is basically parallel in the direction of length, width and thickness.
5.6 Particleboard and Furniture随堂测验
1、In particleboard furniture, the varieties of particleboard that can be used are as follows.
A、General purpose particleboard (P1 type board) used in dry conditions.
B、Furniture grade particleboard (P2 type board) used in dry conditions.
C、Furniture grade particleboard (P6 type board) used in humid conditions.
D、Furniture grade particleboard (P10 type board) used in high humid conditions.
2、Particleboard is a kind of wood-based panels, which is made of wood or non-wood plant fiber raw materials and processed into particleboard (or broken material), applied with adhesive (and other additives), formed by forming and hot pressing.
5.7 Oriented Strand Board and Furniture随堂测验
1、OSB is a multi-layer structural board made of wood flakes of specified shape and thickness, which is paved directionally after sizing and then hot pressed. Its surface flakes are arranged directionally along the length or width of the board.
2、In the production of oriented strand board, the products with different strength values can be obtained by changing the orientation rate of the particleboard.
5.8 Fiberboard and Furniture随堂测验
1、The main characteristics of hardboard are as follows.
A、Generally, it is thin plate with thickness less than 5mm, large size and high density.
B、High strength, good bending performance, no crack on the surface.
C、There is a net pattern on the back, the plate structure is asymmetric, and the deformation is large after moisture absorption.
D、All of the above.
2、The main characteristics of furniture grade MDF are as follows.
A、Moderate density, uniform structure, isotropy, excellent mechanical properties.
B、The product is smooth on both sides, flat on the surface, easy to be painted and pasted.
C、It can be sawed, drilled, tenoned, sanded, engraved, and made into various profiles.
D、High moisture absorption and water absorption, need veneering and edge sealing.
5.9 Decorative Veneered Wood-based Panel and Furniture随堂测验
1、The main purpose of overlaying the wood-based panel surface is to
A、realize the function of decoration and beautification.
B、improve surface properties and physical and mechanical properties.
C、improve the aging resistance and prolong the service life of the panels.
D、make furniture production process continuous and automatic.
2、Decorative veneer, also known as thin wood, is a thin piece of wood, which is processed by planning or rotary cutting. Generally, the wood with thickness less than 0.55mm and thickness less than 0.35mm is called micro thin wood.
5.10 Resin Impregnated Paper Overlaid Wood-based Panel and Furniture随堂测验
1、The production process of high-pressure decorative board overlaid wood-based panel is the same as that of low-pressure impregnated paper overlaid wood-based panel.
2、The high-pressure decorative board overlaid wood-based panel commonly to be used in the cabinet platform panel or the high wear-proof strengthened floor. Low pressure resin-impregnated paper overlaid wood-based panel is commonly used in common office furniture and civil furniture.
Unit Test
1、What form can the oriented strand board make furniture?
A、Making furniture after direct oil cleaning and painting.
B、Match with other materials to make furniture.
C、Used for making furniture parts.
D、All of the above.
2、The main characteristics of furniture grade particleboard are
A、the size, density and thickness of the product can be adjusted, and the performance is isotropic.
B、no natural defects, with certain strength, can meet the functional requirements of furniture.
C、undecorated board has poor decoration, rough edge and easy moisture absorption deformation, so it needs to be pasted and edge sealed.
D、the grip force of screws, especially the grip force of screws, is low, and fasteners should not be disassembled for many times.
3、The main features of resin-impregnated paper overlain wood-based panels are as follows.
A、Beautiful pattern and rich color change.
B、High pressure decorative panel overlaid wood-based panel not only has good decorative effect, but also has high comprehensive resistance and good physical and mechanical properties.
C、The low-pressure resin-impregnated paper decorative panel has the advantages of simple process, high production efficiency, less paper and glue consumption and energy saving, so the product has high cost performance.
D、The veneer of high-pressure decorative board overlaid wood-based panels or low-pressure resin-impregnated paper decorative board can be made into various types, and the performance can also be enhanced.
4、Panel furniture is a kind of furniture which is made up of wood-based panels and treated with surface decoration to form basic structural unit and main body.
5、The raw materials of the block boards are mostly short and small, which can make full use of China's rich artificial fast-growing forest resources, and is an effective way to optimize the use of poor wood.
Chapter 6 Metal and Furniture
6.1 Metal Furniture and Classification随堂测验
1、Metal furniture is divided into several categories according to its use, which are as follows.
A、Cabinets and shelves.
B、Chairs.
C、Tables.
D、Beds.
2、Steel wood furniture refers to the furniture made of metal materials as the main components and properly combined with wood materials.
6.2 Metal Materials and Properties随堂测验
1、What element is the only or main alloy element of brass?
A、zinc (Zn).
B、tin (Sn).
C、lead (Pb).
D、nickel(Ni).
2、Chromium and nickel are the most commonly used elements in stainless steel, which can form a stable and compact passivation film on the surface of steel, which can effectively slow down the corrosion of metal.
6.3 Metal Furniture Finishing Materials随堂测验
1、The resins commonly used in plastic powder coating are
A、epoxy resin.
B、polytetrafluoroethylene powder.
C、nylon.
D、All of the above.
2、The composition of the coating includes:
A、film forming substance.
B、pigment.
C、solvent.
D、auxiliary reagent.
6.4 Characteristics of Metal Furniture随堂测验
1、The suitable structural forms of metal furniture are
A、disassembly and assembly.
B、fold.
C、indigitation.
D、socket.
2、Some parts of metal furniture are most suitable for stamping and bending, which is a typical non chip and less chip processing technology.
6.5 Metal Furniture Surface Finishing随堂测验
1、The three necessary conditions for electroplating are
A、power supply.
B、electrode.
C、electroplating tank and plating solution.
D、plated parts.
2、A colorless and transparent oxide film is formed on the surface of stainless steel after oxidation treatment, which is strengthened by the interference of reflected light and refracted light through the oxide film, thus showing different colors. If the thickness of oxide film is changed, the color will change accordingly.
6.6 Metal Furniture Evaluation随堂测验
1、Furniture evaluation should be carried out from the following aspects of furniture products, specifically:
A、structure and shape.
B、use function.
C、selected materials.
D、processing quality.
2、Usually, bending, bending, welding and other processing technologies are used to make metal chairs from metal sheets, thin-walled pipes or bars.
6.7 Furniture Hardware随堂测验
1、The three in one connector realizes the quick disassembly and assembly function of panel furniture. Three in one connector is mainly used for what connection between furniture panels.
A、Horizontal connection.
B、Vertical connection.
C、Oblique connection.
D、All the above.
2、Furniture hardware fittings are classified as: connector, hinge, slide rail, positioning piece, foot stand, bracket, handle, caster and lock.
Unit Test
1、What is the content of alloy elements in low alloy steel?
A、<3%.
B、5-10%.
C、>10%.
D、>20%.
2、Metal furniture refers to the furniture which is mainly composed of metal materials and made of wood, wood-based panel, leather, textile fabric, plastic, glass, stone and other auxiliary materials, or all of which are made of metal materials. Among them, the forms of metal materials can be as follows.
A、Metal sheet.
B、Metal pipe.
C、Metal profile.
D、Metal wire.
3、The functions of metal surface lacquering mainly include:
A、protect.
B、decorate.
C、sign.
D、special purpose function.
4、Furniture hardware accessories refer to the furniture components that connect the furniture structure and realize the use function, mainly including.
A、Connector.
B、Functional parts.
C、Decorative parts.
D、Other accessories.
5、Electroplating is a redox reaction. The metal to be plated is used as the cathode and the plating material as the anode, and they are immersed together in a metal salt solution. When the applied current passes through the electrolyte, the crystallization process of metal or alloy precipitates on the cathode.
Chapter 7 Plastics and Furniture
7.1 The History of Plastics随堂测验
1、Bakelan, the inventor of bakelite, calls itself "versatile material", which has the following main performance characteristics are
A、insulation.
B、sable.
C、heat-resisting.
D、no aging.
2、The first synthetic plastic, phenolic plastics, was invented by the Belgian American chemist Leo Hendrick Baekeland.
7.2 Classification of Plastics随堂测验
1、According to thermal properties, plastics can be divided into:
A、Thermoplastic and thermosetting plastics.
B、Heat resistant plastics and non-heat resistant plastics.
C、Fire resistant plastics and combustible plastics.
D、Plastics for high temperature use and plastics for normal temperature use
2、Plastic is the abbreviation of plastic polymer material. It is a kind of material with synthetic resin as the main component, proper additives, molding under certain temperature and pressure, and shape can be maintained after cooling.
7.3 Special Properties of Plastics随堂测验
1、When the plastic burns to form a fire, it can have a great destructive effect, mainly including.
A、Smoke suffocation.
B、Toxic effect of toxic gas.
C、Effect of flame burn.
D、All of the above.
2、Which of the following properties are the characteristics of plastics?
A、Good electrical insulation.
B、Heat insulation and sound insulation.
C、Good transparency.
D、Good plasticity.
7.4 Nomenclature of Plastics随堂测验
1、In plastic products, containers with this kind of logo are usually used for making
A、mineral water bottle.
B、soda bottle.
C、plastic milk bottle.
D、plastic "space Cup".
2、"Polyethylene" and "vinyl chloride" are named according to simple rules based on the original materials (monomers), which is called popular nomenclature.
7.5 Composition of Plastics随堂测验
1、Which of the following options are commonly used organic fillers in plastics?
A、Wood flour.
B、Cotton.
C、Scraps of paper.
D、Toner.
2、Colorants can enhance the color and beauty of plastics, mainly including the following.
A、Inorganic pigment.
B、Organic pigment.
C、Dyestuff.
D、Natural dye.
7.6 Molding Technology of Plastics随堂测验
1、Observe the parts in the figure below. What is the method of forming?
A、Injection molding.
B、Compression Molding.
C、Extrusion molding.
D、Calendering
2、Which of the following options are plastic molding methods?
A、Hollow blow molding.
B、Thermoforming.
C、Rotational Molding.
D、3D printing.
7.7 Common Plastics for Furniture: Polyvinyl Chloride, PVC随堂测验
1、Which of the following is the first country to realize industrial production of PVC?
A、Britain.
B、Germany.
C、France.
D、Japan.
2、The main characteristics of rigid PVC transparent board include the following.
A、Water clear.
B、Good mechanical properties.
C、High thermal stability.
D、Chemical resistance.
7.8 Common Plastics for Furniture: Polyethylene, PE随堂测验
1、Which of the following are the characteristics of polyethylene (PE) materials?
A、The permeability to water vapor is low.
B、Good moisture resistance.
C、Good water resistance.
D、Excellent thermal adhesion.
2、Polyethylene plays an important role in packaging materials.
7.9 Common Plastics for Furniture: Polypropylene, PP随堂测验
1、Which of the following plastics can be put into microwave oven for heating?
A、Polyvinyl chloride (PVC).
B、Polypropylene (PP).
C、Polyethylene (PE).
D、Polycarbonate (PC).
2、Now, there are many furniture made of PP, including the following famous furniture works.
A、The Eames' little elephant stool.
B、Mr. Panton's Panton chair.
C、Mr. Ross's Alien dining chair.
D、Mr. Phillip Stark's Master chair.
7.10 Common Plastics for Furniture: Polystyrene, PS随堂测验
1、Please look at the picture below. What material is this breakfast box made of?
A、PVC.
B、PS.
C、PE.
D、PP.
2、Polystyrene (PS) is a kind of thermoplastic widely used in general plastics. Because the raw material is easy to be made from petroleum, its price is low.
7.11 Common Plastics for Furniture: Polymethyl Methacrylate, PMMA (Acrylic)随堂测验
1、Please look at the picture below. What kind of plastic is this furniture made of?
A、PVC.
B、PP.
C、PMMA.
D、PS.
2、Polymethylmethacrylate (PMMA) is commonly known as plexiglass.
7.12 Common Plastics for Furniture: Polycarbonate, PC随堂测验
1、Which of the following materials are usually used to make pure water buckets, goggles, sunshades, etc?
A、PVC.
B、PP.
C、PC.
D、PS.
2、Polycarbonate (PC) has the characteristics of colorless, odorless, tasteless, nontoxic, high strength, impact strength, etc.
7.13 Common Plastics for Furniture: Glass Fiber Reinforced Plastics, GRP随堂测验
1、What kind of plastic is used to make the seat surface of the furniture seat in the following picture?
A、PP.
B、PE.
C、GRP.
D、PMMA.
2、Glass fiber reinforced plastic (GRP) is made of glass fiber as reinforcement material, unsaturated polyester, epoxy resin or phenolic resin as matrix, by resin impregnation, adhesion and curing.
7.14 Common Plastics for Furniture: Polyurethane, PU随堂测验
1、Polyurethane (PU) can be divided into linear structure and body structure according to its structure.
2、The classic furniture in the figure below is made of polyurethane (PU).
7.15 Plastic Culture随堂测验
1、It's the radical designers in Europe who are really happy with plastics. Plastic furniture has never been smooth surface, organic modeling and gorgeous color to better express their creativity.
2、Wallace Hume Carothers is the inventor of nylon and neoprene.
Unit Test
1、There is a kind of synthetic material, which is one of the core clues of the material world in the past 100 years. With it, there will be a consumer revolution, and radio, television, computers, synthetic fibers, disposable appliances will be mass produced. This modern material is
A、Metal.
B、Plastic.
C、Glass.
D、Carbon fiber.
2、Which kind of plastic is commonly used furniture material?
A、Thermoplastic.
B、Thermosetting plastics.
C、Degradable plastics.
D、All plastics.
3、In the plastic composition formula, what kind of substance can cause the deformity of the baby's genitals, so it is forbidden to be used in the food and the packaging materials of the baby food?
A、Synthetic resin.
B、Plasticizer.
C、Filler.
D、Colorant.
4、Which of the following options are plastic molding methods?
A、Hollow blow molding.
B、Thermoforming.
C、Rotational Molding.
D、3D printing.
5、According to the different amount of plasticizer, PVC products are divided into three categories: hard, semi-hard and soft.
Chapter 8 Glass and Furniture
8.1 Glass Overview随堂测验
1、In the 4th century B.C., which of the following countries invented glass casting, carvings, engraving and gold plating?
A、Egypt.
B、Lebanon.
C、Germany.
D、Syria.
2、What century was that in A.D? Since the invention of flat glass manufacturing technology, glass has been used in the windows of buildings, the most typical is the colored glass in medieval churches.
A、The 9th century A.D.
B、The 10th century A.D.
C、The 11th century A.D.
D、The 12th century A.D.
8.2 Basic Knowledge: Composition and Classification随堂测验
1、Glass classification by use is the most common classification method. What kind of glass can be classified by this classification method?
A、Daily glass.
B、Architectural glass.
C、Technical glass.
D、Glass fibre.
2、Glass can be divided into oxide glass and non-oxide glass according to its main components.
8.3 Basic Knowledge: Features and Defects随堂测验
1、After long-term use, the surface gloss of ordinary window glass will disappear or darken, and even spots and greasy films will appear, which is caused by the reaction of alkali oxide in the glass with CO2 in humid air to form carbonate. What is the phenomenon called？
A、The glass get damp.
B、Glass stone.
C、The glass is moldy.
D、The glass is corroded
2、If you look in the mirror of the wardrobe and see that your image is deformed, there must be something wrong with your own eyes.
8.4 Basic Knowledge: Surface Technology随堂测验
1、Which of the following processes can remove the crack layer on the surface of glass products and make the glass surface smooth, transparent and glossy?
A、Grind.
B、Polishing.
C、Tempering.
D、Surface coating.
2、Which glass surface treatment process is used for the glass curtain wall shown in the following picture?
A、Chemical polishing.
B、Glass painting.
C、Glass surface coating.
D、Glass surface coloring.
8.5 Common Furniture Glass: Flat Glass(1)随堂测验
1、Which of the following types of glass is commonly used in furniture to make cabinet doors and table tops?
A、Hot bent glass.
B、Plate glass.
C、Hot pressed glass.
D、Hot melt glass.
2、The glass commonly used in furniture manufacturing is mainly flat glass and hot bent glass.
8.6 Common Furniture Glass: Flat Glass(2)随堂测验
1、Tempered glass, also known as reinforced glass, is a secondary processing product of flat glass.
2、The main feature of frosted glass is light transmission and no perspective.
8.7 Common Furniture Glass: Hot Bending Glass随堂测验
1、What are the main characteristics of hot bending glass furniture?
A、The furniture has soft lines and many changes.
B、The expressive power of language is stronger and richer.
C、It can realize integrated modeling, such as integrated water tank sink.
D、Three dimensional sense of furniture structure level is strong.
2、The hot-melt glass is made by using a special hot-melt furnace to heat the glass above the softening point, and then the flat glass is molded in a special molding die, and then annealed.
8.8 New Glass Products: Energy Conservation Glass随堂测验
1、Energy saving glass can only be used in buildings, not in household, furniture and interior decoration.
2、The heat absorbing glass can absorb a lot of infrared radiation energy and maintain a high visible light transmittance.
8.9 New Glass Products: Laminated Glass随堂测验
1、Which new type of glass is used in furniture in the following figure?
A、Sandwich glass.
B、Hollow glass.
C、Wired glass.
D、Plate glass.
2、Intelligent dimming glass can be used not only in building and interior decoration, but also in sliding doors of furniture.
Unit Test
1、Which new type of glass is used in furniture in the following figure?
A、Plate glass.
B、Sandwich glass.
C、Hollow glass.
D、Wired glass.
2、Which processing method is used for the patterned glass shown in the following picture？
A、Sandblasting.
B、Embossing.
C、Coloured drawing.
D、Carved flowers.
3、What are the main characteristics of insulating glass?
A、Transparence and non-perspectivity.
B、Anti-dewing property.
C、Sound insulation and noise reduction.
D、Thermal insulation.
4、The glass commonly used in furniture manufacturing is mainly flat glass and hot bent glass.
Final examination
Final examination
1、The relationship between furniture and materials is as follows.
A、The supporting function of materials is the necessary condition of furniture products.
B、The texture of materials restricts the style and School of furniture modeling.
C、The properties of the materials affect the furniture processing technology.
D、All of the above.
2、Wood is porous material, its mass and volume will change with different moisture content. So when it comes to wood density, what state must be marked?
A、Temperature state.
B、Moisture content state.
C、Humidity state.
D、Pore state.
3、The phenomenon of shrinkage and swelling of wood occurs in
A、below fiber saturation point.
B、above fiber saturation point.
C、above or below the fiber saturation point.
D、no correlation with fiber saturation point.
4、Which kind of precious wood is produced in Hainan Island of China (commonly known as Hainan Huanghua pear)?
A、Bois de rose.
B、Scented rosewood.
C、Siam rosewood.
D、Burma blackwood.
5、What element is the only or main alloy element of brass?
A、zinc (Zn).
B、tin (Sn).
C、lead (Pb).
D、nickel(Ni).
6、The three in one connector realizes the quick disassembly and assembly function of panel furniture. Three in one connector is mainly used for what connection between furniture panels.
A、Horizontal connection.
B、Vertical connection.
C、Oblique connection.
D、All the above.
7、There is a kind of synthetic material, which is one of the core clues of the material world in the past 100 years. With it, there will be a consumer revolution, and radio, television, computers, synthetic fibers, disposable appliances will be mass produced. This modern material is
A、Metal.
B、Plastic.
C、Glass.
D、Carbon fiber.
8、Which kind of plastic is commonly used furniture material?
A、Thermoplastic.
B、Thermosetting plastics.
C、Degradable plastics.
D、All plastics.
9、Which of the following types of glass is commonly used in furniture to make cabinet doors and table tops?
A、Hot bent glass.
B、Plate glass.
C、Hot pressed glass.
D、Hot melt glass.
10、Which new type of glass is used in furniture in the following figure?
A、Sandwich glass.
B、Hollow glass.
C、Wired glass.
D、Plate glass.
11、Three basic furniture materials include
A、wooden materials (including wood and wood-based panels).
B、metallic materials.
C、plastic.
D、glass.
12、The main characteristics of wood are as follows.
A、The texture is warm and pleasant, the temperature is adjusted and the humidity is adjusted, which is beneficial to health.
B、The material color is natural and soft, the grain is rich, the expressive force is strong, the application history is long, the cultural connotation is rich.
C、High ratio of strength to weight, moderate density and hardness, easy to carry out various forms of machining, low energy consumption in the processing.
D、Material anisotropy, dry shrinkage, wet expansion, knots, cavities and other natural defects.
13、Wood pattern can help to identify wood, and also help to improve wood decorative and value. Common wood patterns are as follows.
A、"V" pattern.
B、Bird eye pattern.
C、Burl pattern.
D、Mosaic pattern.
14、Factors affecting wood density include
A、tree species.
B、extract content.
C、site conditions.
D、tree age and trunk position.
15、In the development history of Chinese traditional Hongmu furniture, the three most important geners are
A、Su Zuo furniture (furniture made in Suzhou).
B、Xian Zuo furniture (furniture made in Xianyou).
C、Guang Zuo furniture (furniture made in Guangzhou).
D、Jing Zuo furniture (furniture made in Beijing).
16、What are the advantages of bamboo?
A、High strength, good rigidity and wear resistance.
B、Easy to process and widely used.
C、Grains straight and texture rigidity.
D、Isotropy, no deformation.
17、What are the common types of rattan furniture?
A、Rattan skin furniture.
B、Rattan core furniture.
C、Original rattan furniture.
D、Grinding rattan furniture.
18、The main characteristics of wood-based panel are
A、variety, large size, adjustable density and thickness, excellent machining performance.
B、symmetrical structure, isotropic material (adjustable), stable size and small deformation.
C、the surface is smooth and smooth, easy to be pasted or painted, and the decorative effect of facing wood-based panel is rich and varied.
D、free formaldehyde pollution may exist.
19、When purchasing plywood, the precautions include
A、Pay attention to the product information on the plywood product board
B、Observe whether the front and back sides of plywood are smooth and flat.
C、Check the plywood for degumming.
D、Check the joint and adhesive strength of the board surface.
20、The main characteristics of furniture grade particleboard are
A、the size, density and thickness of the product can be adjusted, and the performance is isotropic.
B、no natural defects, with certain strength, can meet the functional requirements of furniture.
C、undecorated board has poor decoration, rough edge and easy moisture absorption deformation, so it needs to be pasted and edge sealed.
D、the grip force of screws, especially the grip force of screws, is low, and fasteners should not be disassembled for many times.
21、The suitable structural forms of metal furniture are
A、disassembly and assembly.
B、fold.
C、indigitation.
D、socket.
22、Who has mastered the innovation of furniture materials, who has grasped the initiative of furniture product innovation.
23、Compulsory standard is a standard implemented by means of laws, administrative regulations and other compulsory means within a certain range, which has the legal attribute.
24、From ancient times to today, wood is the main part of furniture materials. It is the origin of furniture materials.
25、The control methods to reduce the drying shrinkage and swelling of wood mainly include: drying treatment, overlaying and finishing, mortising, structural change of wood anisotropy (such as plywood), etc.
26、"Hongmu", as the raw material of furniture, is the name of a specific tree species
27、The high-pressure decorative board overlaid wood-based panel commonly to be used in the cabinet platform panel or the high wear-proof strengthened floor. Low pressure resin-impregnated paper overlaid wood-based panel is commonly used in common office furniture and civil furniture.
28、A colorless and transparent oxide film is formed on the surface of stainless steel after oxidation treatment, which is strengthened by the interference of reflected light and refracted light through the oxide film, thus showing different colors. If the thickness of oxide film is changed, the color will change accordingly.
29、Furniture hardware fittings are classified as: connector, hinge, slide rail, positioning piece, foot stand, bracket, handle, caster and lock.
30、The main feature of frosted glass is light transmission and no perspective.
Final examination
Final examination
1、The relationship between furniture and materials is as follows.
A、The supporting function of materials is the necessary condition of furniture products.
B、The texture of materials restricts the style and School of furniture modeling.
C、The properties of the materials affect the furniture processing technology.
D、All of the above.
2、Wood is porous material, its mass and volume will change with different moisture content. So when it comes to wood density, what state must be marked?
A、Temperature state.
B、Moisture content state.
C、Humidity state.
D、Pore state.
3、The phenomenon of shrinkage and swelling of wood occurs in
A、below fiber saturation point.
B、above fiber saturation point.
C、above or below the fiber saturation point.
D、no correlation with fiber saturation point.
4、Which kind of precious wood is produced in Hainan Island of China (commonly known as Hainan Huanghua pear)?
A、Bois de rose.
B、Scented rosewood.
C、Siam rosewood.
D、Burma blackwood.
5、What element is the only or main alloy element of brass?
A、zinc (Zn).
B、tin (Sn).
C、lead (Pb).
D、nickel(Ni).
6、The three in one connector realizes the quick disassembly and assembly function of panel furniture. Three in one connector is mainly used for what connection between furniture panels.
A、Horizontal connection.
B、Vertical connection.
C、Oblique connection.
D、All the above.
7、There is a kind of synthetic material, which is one of the core clues of the material world in the past 100 years. With it, there will be a consumer revolution, and radio, television, computers, synthetic fibers, disposable appliances will be mass produced. This modern material is
A、Metal.
B、Plastic.
C、Glass.
D、Carbon fiber.
8、Which kind of plastic is commonly used furniture material?
A、Thermoplastic.
B、Thermosetting plastics.
C、Degradable plastics.
D、All plastics.
9、Which of the following types of glass is commonly used in furniture to make cabinet doors and table tops?
A、Hot bent glass.
B、Plate glass.
C、Hot pressed glass.
D、Hot melt glass.
10、Which new type of glass is used in furniture in the following figure?
A、Sandwich glass.
B、Hollow glass.
C、Wired glass.
D、Plate glass.
11、Three basic furniture materials include
A、wooden materials (including wood and wood-based panels).
B、metallic materials.
C、plastic.
D、glass.
12、The main characteristics of wood are as follows.
A、The texture is warm and pleasant, the temperature is adjusted and the humidity is adjusted, which is beneficial to health.
B、The material color is natural and soft, the grain is rich, the expressive force is strong, the application history is long, the cultural connotation is rich.
C、High ratio of strength to weight, moderate density and hardness, easy to carry out various forms of machining, low energy consumption in the processing.
D、Material anisotropy, dry shrinkage, wet expansion, knots, cavities and other natural defects.
13、Wood pattern can help to identify wood, and also help to improve wood decorative and value. Common wood patterns are as follows.
A、"V" pattern.
B、Bird eye pattern.
C、Burl pattern.
D、Mosaic pattern.
14、Factors affecting wood density include
A、tree species.
B、extract content.
C、site conditions.
D、tree age and trunk position.
15、In the development history of Chinese traditional Hongmu furniture, the three most important geners are
A、Su Zuo furniture (furniture made in Suzhou).
B、Xian Zuo furniture (furniture made in Xianyou).
C、Guang Zuo furniture (furniture made in Guangzhou).
D、Jing Zuo furniture (furniture made in Beijing).
16、What are the advantages of bamboo?
A、High strength, good rigidity and wear resistance.
B、Easy to process and widely used.
C、Grains straight and texture rigidity.
D、Isotropy, no deformation.
17、What are the common types of rattan furniture?
A、Rattan skin furniture.
B、Rattan core furniture.
C、Original rattan furniture.
D、Grinding rattan furniture.
18、The main characteristics of wood-based panel are
A、variety, large size, adjustable density and thickness, excellent machining performance.
B、symmetrical structure, isotropic material (adjustable), stable size and small deformation.
C、the surface is smooth and smooth, easy to be pasted or painted, and the decorative effect of facing wood-based panel is rich and varied.
D、free formaldehyde pollution may exist.
19、When purchasing plywood, the precautions include
A、Pay attention to the product information on the plywood product board
B、Observe whether the front and back sides of plywood are smooth and flat.
C、Check the plywood for degumming.
D、Check the joint and adhesive strength of the board surface.
20、The main characteristics of furniture grade particleboard are
A、the size, density and thickness of the product can be adjusted, and the performance is isotropic.
B、no natural defects, with certain strength, can meet the functional requirements of furniture.
C、undecorated board has poor decoration, rough edge and easy moisture absorption deformation, so it needs to be pasted and edge sealed.
D、the grip force of screws, especially the grip force of screws, is low, and fasteners should not be disassembled for many times.
21、The suitable structural forms of metal furniture are
A、disassembly and assembly.
B、fold.
C、indigitation.
D、socket.
22、Who has mastered the innovation of furniture materials, who has grasped the initiative of furniture product innovation.
23、Compulsory standard is a standard implemented by means of laws, administrative regulations and other compulsory means within a certain range, which has the legal attribute.
24、From ancient times to today, wood is the main part of furniture materials. It is the origin of furniture materials.
25、The control methods to reduce the drying shrinkage and swelling of wood mainly include: drying treatment, overlaying and finishing, mortising, structural change of wood anisotropy (such as plywood), etc.
26、"Hongmu", as the raw material of furniture, is the name of a specific tree species
27、The high-pressure decorative board overlaid wood-based panel commonly to be used in the cabinet platform panel or the high wear-proof strengthened floor. Low pressure resin-impregnated paper overlaid wood-based panel is commonly used in common office furniture and civil furniture.
28、A colorless and transparent oxide film is formed on the surface of stainless steel after oxidation treatment, which is strengthened by the interference of reflected light and refracted light through the oxide film, thus showing different colors. If the thickness of oxide film is changed, the color will change accordingly.
29、Furniture hardware fittings are classified as: connector, hinge, slide rail, positioning piece, foot stand, bracket, handle, caster and lock.
30、The main feature of frosted glass is light transmission and no perspective.