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GCSE - RM
GCSE - RM
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Theory test on Woods, Plastics and Metals
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
Which plastic has "memory" and can be re-shaped.
Thermoplastic
Thermoset
2
Hardwoods are denser than Softwoods.
Because they are heavier
Because they are Deciduous
Because they lose there leaves in winter
Because they are slower growing
3
Photochromic paint reacts to what.
Electricity
Water
UV Rays
Heat
4
Which plastic can be used to make car indicators, baths, fish tanks
HIPS
Acrylic
ABS
PVC
5
Which manufactured board is the cheapest
MDF
Chipboard
Plywood
Hardboard
6
Which defines plasticity
ability to stretch and pull in any direction
ability to twist and stretch in any direction
ability to change shape without cracking or breaking
ability to change shape without squashing or indentation
7
Which best describes MALLEABLE
be deformed by compression without tearing or cracking
ability to withstand being squashed
ability to be able to withstand being pulled apart
withstand abrasive wear and indentation
8
Alloys are made from mixing more than one metal together. Which two metals below are alloys.
Brass
Copper
Zinc
Mild Steel
9
Which plastic can be used for DVD cases, toys, food appliances, cutlery
HIPS
Acrylic
ABS
PVC
10
What are knots.
Branches from a tree
The grain in the tree
Roots from a tree
Part of the bark on a tree
11
ASH has good elasticity.
FALSE
TRUE
12
Plywood is constructed of what.
Veneers glued together
Veneers at opposite direction to each other
Veneers inline with each other
Veneers at right angles to each other & odd number of layers
13
Name one use of Oak
garden benches
sports equipment
floorboards
boat building
14
Two properties of Oak
tough
malleable
lightweight
hard
15
Which plastic makes drainpipes, swimming pools, electric cable insulation
PVC
ABS
Acrylic
HIPS
16
Whic best describes DUCTILE
Ability to withstand abrasion
Ability to return to original shape
Ability to be deformed by compression
Ability to be drawn or stretched in to thinner sections
17
A POLYMER is best described as.
Molecules bonded into long chains
Molecules bonded into short cross links
18
This material is a COMPOSITE and is made of atoms that are woven together to make a fabric.
SMA
SMA
PTC
Carbon Fibre
19
Which best defines SMA - Smart Memory Alloy
An alloy that can be moulded twice
An alloy that can remember its original cold formed shape
An alloy that can be squashed and shaped
An alloy that can be melted and remoulded
20
MDF stands for.
Medium density floorboard
Medium dry fibres
Medium dry fibreboard
Medium density fibreboard
21
Which Plastic can be used to make carrier bags, buckets, shampoo bottles
PVC
ABS
Polythene
Acrylic
22
Name two uses of BEECH
Ladders
Kitchen chopping boards
Window frames
Children's Toys
23
Stainless steel rusts true or false
False
True
24
This plastic is made from fibreglass and used to make canoes, boat hulls and car body parts
PVC
GRP
Carbon fibre
ABS
25
Chipboard is made from two of the following
Wood
Waste Products
Strong Resin
Sawdust
26
One of these groups of metals rusts
Non- Ferrous
Ferrous
27
The ability to return to original shape once deformed is called
tension
ductility
toughness
elasticity
28
Woods have many defects. Select two below
Jarring
Splitting
Bowing
Dinging
29
Ash is a Hardwood or Softwood
Softwood
Hardwood
30
CARBON NANOTUBES are known as a super material. Tick to correct properties below
ten times heavier and stronger than steel
ability to withstand elasticity & plasticity to a high level
six times lighter than steel and 500 times stronger
conduct heat and electricity better than any other material
31
Zinc can be used to protect metals from rusting. What is the process called
Galvanising
Zincing
Gazing
Zincoid
32
Indoor furniture, window frames and veneers: refers to which Hardwood
Ash
Oak
Mahogany
Beech
