Plastics & Metals Flashcards

1
Q

Long chain molecular structures from common elements and compounds by chemical synthesis

A

Plastics

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2
Q

Polymeric, Polymers and regarded as potential plastics

A

Plastics

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3
Q

necessary degree of polymerization has been achieved, long chain, by heat can be softened and resoftened

A

Thermoplastic

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4
Q

Polymerization has been arrested at a stage, short chain molecules, more resistant to heat, can’t be remolded

A

Thermosetting

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5
Q

Can be foamed with suitable gassing agents to form rigid shell structures

A

Rigid Foam Plastics

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6
Q

Very high thermal resistance for given thickness, low water absorption and low water vapour permeability, good thermal stability

A

Polyurethane

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7
Q

Relatively low resistance for given thickness, high strength and very good thermal stability

A

Phenol-Formaldehyde (Phenolic Foam)

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8
Q

HIgh Thermal resistance for given thickness but low mechanical strength, high water absorption and high water vapour permeability

A

Urea-Formaldehyde

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9
Q

Cavity Wall Insulation

A

Urea-Formaldehyde

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10
Q

Good insulation efficiency, high strength, good chemical and moisture resistance, restricted to spray applications

A

Epoxy

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11
Q

Rapid moldings techniques for the production of rigid shapes or shells

A

Polyester Resin Fiberglass Laminates

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12
Q

The wax coat is first huffed off the pattern, which is then coated with polyester emulsion wax release

A

GRP Former Mould

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13
Q

The former mould is treated with emulsion was, wax polish and release agent

A

Finished Mould

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14
Q

“Acrylic Sheet” is readily obtainable in clear transparent pastel shades full colors and transfusing and fluorescent colors

A

Perspex

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15
Q

has universal uses as fiber material for it can be cold drawn to five times its original strength

A

Nylon

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16
Q

Familiarly known as Formica, Wilson Art, composed of craft paper impregnated with phenolic resins while surface can be purely decorative

A

Decorative Plastic Laminates

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17
Q

was largely made of mild steel tube, hence familiar name tubular steel furniture

A

Hitherto Metal Furniture

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18
Q

Composed mainly of iron with small additions of other metals and substances

A

Ferrous Metal

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19
Q

Types of Metal

A

Ferrous Metal
Non-Ferrous Metal

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20
Q

These contain little or no iron

A

Non-Ferrous Metal

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21
Q

Iron with traces of silicate, it is easily worked and is tough and ductile

A

Wrought iron

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22
Q

Iron with small amount of carbon, silicon =, sulfur, etc., a high fire resistance

A

Cast Iron

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23
Q

Iron with up to 0.3 per cent carbon

A

Mild Steel

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24
Q

Steel with chromium and nickel

A

Stainless Steel

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25
Q

Composition varied by addition of different elements such as nickel ,chromium, copper, manganese to molten steel

A

Tool and Alloy Steel

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26
Q

has high resistance to corrosion

A

Copper-bearing Steel

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27
Q

Lustrous, silver white magnetic lightweight metal that is very malleable has good thermal and electrical conductivity

A

Aluminum

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28
Q

Pure Metal, Lustous Reddish Brown, highly ductile and malleable

A

Copper

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29
Q

Pure Metal, Soft Malleable, Heavy Metal, easy to cut and work, enable to fit under uneven surfaces

A

Lead

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30
Q

Pure Metal, substitute for lead flashing and lining

A

Zinc

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31
Q

Pure metal, Lustrous white, soft, malleable metal having low melting point unaffected by exposure to air

A

Tin

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32
Q

Two or more metal and other substances

A

Alloy

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33
Q

Copper + Tin

A

Bronze

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34
Q

Aluminun + Copper + Other metals

A

Duraluminum

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35
Q

Copper + Zinc

A

Brass

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36
Q

Slow hardening process, takes place in alloys

A

Age Hardening

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37
Q

Ability to break under sharp blow

A

Brittleness

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38
Q

Capacity to transmit heat and electricity

A

Conductivity

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39
Q

Ability to stretch into fine wire without fracture

A

Ductility

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40
Q

Ability to regain original shape after deformation

A

Elasticity

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41
Q

Property of becoming liquid when heated

A

Fusibility

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42
Q

Resistance to deformation

A

Hardness

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43
Q

Capacity to be extended in all directions without fracturing by rolling, hammering or beating

A

Malleability

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44
Q

Resistance to a pulling force

A

Tenacity and Cohesion

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45
Q

Hardening of Metal while its being hammered or bent

A

Work Hardening

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46
Q

Method in which coating is applied on metallic substrate, process includes cleaning and chemical pre treatment

A

Coating (Organic)

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47
Q

Three Types of Coating:

A

One side or Two side
Laminating with plastic films
Non-metallic coating

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48
Q

Non metallic coating:

A

Painting/Enameling
Lacquering
Plastic and Nylon Coating

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49
Q

Coating with non transparent formulation containing pigments

A

Painting/Enameling

50
Q

Coating with formulation based on dissolved materials which forms transparent layer

A

Lacquering

51
Q

Continuous coating of metal strip

A

Coil Coating

52
Q

Single coating of any type with no particular requirements for appearance, malleability, corrosion protection etc. on reverse side of coated products

A

Backing Coat

53
Q

Treatment of a metal with chemical solutions by dipping or spraying to build up an oxide film containing chromates and phosphates

A

Chemical Conversing Coating (CheCoCo)

54
Q

Application of priming a paint often pigmented with corrosion inhibitor

A

Priming

55
Q

Application of solution containing resin chromate and acid which allowed to dry on and provide key for subsequent painting

A

Pre treatment Priming

56
Q

single coating or as primer with special properties

A

Single Coat System

57
Q

System compromising primer/base coat, intermediate coat, top coat

A

Multiple Coat System

58
Q

Dry paint film of coated product or organice film metal laminate

A

Organic Coating

59
Q

Organic film applied to a substrate and primer applied beforehand

A

Film Coating

60
Q

Process of Applying thin coating of an expensive anti-corrosive metal

A

Metallic Coating

61
Q

Chemical Treatment to improve optical reflectivity of a surface

A

Chemical Brightening

62
Q

Polishing of a metal surface by immersion in a solution of chemical reagents

A

Chemical Polishing

63
Q

Removal of oil or grease by a suitable organic solvent aqueous detergent

A

Degreasing

64
Q

Roughening of surface by metal by overall or selective dissolution in acid

A

Etching

65
Q

Removal of a thin surface layer of a metal by chemical action, by caustic solution

A

Pickling

66
Q

chemical change accompanying the passage of an electric current

A

Electrochemical

67
Q

Polishing of a metal surface by making it anodic in an appropriate electrolyte

A

Electropolishing

68
Q

Metal with an anodic coating, by electrolyte oxidation process

A

Anodized metal

69
Q

Metal with substantially colorless, translucent anodic oxidation coating

A

Clear Anodized Metal

70
Q

Anodized metal colored during anodizing or by subsequent coloring process

A

Color Anodized Metal

71
Q

Metal has been anodized by appropriate electrolyte produces colored coating

A

Integral Color Anodized Metal

72
Q

Metal with an anodic oxidation coating colored y electrolytic disposition of metal or metal oxide into pore structure

A

Electrolytically Colored Anodized Metal

73
Q

Metal with anodic oxidation coating colored by absorption of dye stuff/pigment

A

Dyed Anodized Metal

74
Q

Metal with anodic oxidation coating colored by electrolytic coloring by integral color anodizing

A

Combination Color Anodized Metal

75
Q

Metal with anodic oxidation coating colored by means optical interference effects

A

Interference Color Anodized Metal

76
Q

Anodized metal with high specular reflectances as primary characteristic

A

Bright Anodized Metal

77
Q

Anodizingw here protection against corrosion or wear is the primary characteristic and appearance is secondary of no importance

A

Protective Anodizing

78
Q

Anodizing where decorative finish with a uniform or aestehtically pleasing appearance is primary characteristics

A

Decorative Anodizing

79
Q

Anodizing to produce an architectural finish to be used in permanent exterior and static situations, appearance and life long are important

A

Architectural Anodizing

80
Q

Anodized metal on anodic oxidation coating has been wear or abrassion resistance as primary charcteristic

A

Hard Anodized Metal

81
Q

Treatment of anodic oxidation coatings on metal to reduce porosity and absorption capacity by hydrothermal process carried out after anodizing

A

Sealing

82
Q

Treatment of anodic oxidation coatings on metal to plug the pores and reduce the absorption capacity of coating chemical process carried cut at low temprature

A

Cold Impregnation

83
Q

The part of product covered or to be covered by the coating and for which the coating is essential for serviceability and appreance

A

Significant Surface

84
Q

The process uses a colored powder that is given a positive electric charge

A

Powder-Coating

85
Q

raising, molding, or carving a surafec design in relief

A

By Embossing

86
Q

To carve, cut designs

A

By Engraving

87
Q

The process of using strong acid or mordant to cut into the unprotected parts of a metal surface to create a design

A

By Etching

88
Q

Distressed

A

By Hammering

89
Q

A technique used to work metal into a raised design by sinking the front surface, design is raised through the reverse side

A

By Chasing

90
Q

Direct heating metal to restore it ot its softest possible working state

A

Annealing

91
Q

Treating steel to improve its corrosion-resistance. Metal is heated to create oxide skil and then QUENCHED IN OIL

A

Blueing

92
Q

Production of metal shapes by pouring molten metal into moulds

A

Casting

93
Q

Forcing malleable materials through holes to produce bars, sections, or tubes

A

Extruding

94
Q

Shaping hot metal by hammering

A

Forging

95
Q

Producing maximum hardness in high carbon steel by heating it to bright cherry red, the quenching it in water or brine (salt water)

A

Hardening

96
Q

Forming sheet metal to shape with a press tool

A

Pressing

97
Q

Process in which a fast revolving sheet of ductile metal is forced over a wood or metal form

A

Spinning

98
Q

Removing some of the brittleness from steel after it has been hardened

A

Tempering

99
Q

Pulling ductile metals through holes in a plate, to reduce their cross-sectional areas

A

Drawing

100
Q

Made by drilling a hole in the pieces of metal to be joined then inserting and fastening nuts and bolts rivets and screws

A

Mechanical Method

101
Q

Methods of making permanent connection in metals by applying molten alloy between joint faces

A

Soldering and Brazing

102
Q

Extremely strong means of joining metals

A

Welding

103
Q

A climbing palm that thrives on Asiatic Regions, Common material and novelties

A

Rattan

104
Q

Includes palasan over 25mm-250mm

A

Palasan

105
Q

Diameter 15mm-25mm

A

Tumalim

106
Q

Glossy, flexible, bright yellow less than 15mm

A

Sika

107
Q

Dia= less than 15mm but having light cream

A

Panlis

108
Q

Cut into size and placed in a steam compartment for 10min

A

By Steam-Bending Technique

109
Q

Heating the part to be bent directly or by heating a piece of metal and transferring the heat to the rattan

A

By Blow-Torch

110
Q

Heating a piece of metal, transfer heat to rattan

A

By Metal Plate Heating

111
Q

woody grass known as Bambunese, stems called CULM, cylindrical and seperated by joints called NODES

A

Bamboo

112
Q

Space in between nodes

A

Internodes

113
Q

Largest Palm in Phil. ht of 20m

A

Buri

114
Q

Tough outer covering of a variety of animals fruite seed and nuts

A

Shells

115
Q

Need transparent varnish or natural lacquer finish

A

Shells

116
Q

Leather is an important upholstery material for furniture, began using as early as 17th C

A

Skins

117
Q

can also be used and ideal for furniture framing, combo with lighter wood and laminated plywood

A

Coconut

118
Q

Another product by which, shows good potential for development of furniture furnishing and Phil prodcuts

A

Cocoshell

119
Q

Is desirable interesting furniture construction material for some applications

A

Glass

120
Q

stronger, but is rarely used in furniture because it must be cast rather than cut to size

A

Tempered Glass

121
Q

Most common stone for furniture, tends to shatter less than glass but also tends to break along veining lines

A

Marble

122
Q

Construction technique rather than material, made of Kraft paper and plastic

A

Wicker