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WJEC DESIGN & TECHNOLOGY FOR GCSE: RESISTANT MATERIALS
 METALS
1.
A metal alloy is a mixture of two or more metals or a metal and an
element.
(a) Name a ferrous alloy: _______________________________________ (1)
(b) Name a non-ferrous alloy: ____________________________________ (1)
(c) Explain the advantages of creating alloys:
______________________________________________________________
____________________________________________________________ (2)
2.
The three main types of heat treatment for metals are annealing,
hardening and tempering.
Use lines to connect the type of heat treatment with the correct definition.
(3)
Annealing
Heating to cherry red and rapidly cooling
Hardening
Heating until metal reaches a specific colour
Tempering
Softening metal by heating and leaving to cool
© Hodder Education 2010
WJEC DESIGN & TECHNOLOGY FOR GCSE: RESISTANT MATERIALS
3.
Write the correct material alongside its description below. (8)
Aluminium
Lead
Stainless steel
Iron
Copper
Brass
Zinc
High-speed steel
Material
Description
A yellow non-ferrous metal used to make
padlocks
A very heavy metal with a low melting
point
A pure metal that does not rust
A ferrous metal contains this metal
A metal used for galvanising
A metal used to make drill bits
A metal used for making knives and
forks
A metal found in electrical cables
© Hodder Education 2010
WJEC DESIGN & TECHNOLOGY FOR GCSE: RESISTANT MATERIALS
4.
A design for a wall-mounted bracket made from ferrous metal is
shown below.
(a) Part A must pivot from side to side. In the space below, use sketches and
notes to show in detail how you would do this. (5)
© Hodder Education 2010
WJEC DESIGN & TECHNOLOGY FOR GCSE: RESISTANT MATERIALS
(b) The bracket design is to be made from mild steel.
(i) Name a suitable finish you could apply to the metal in school.
____________________________________________________________ (1)
(ii) In the space below, describe, with notes and sketches, the stages you
would follow to apply the finish to the steel. (4)
(c) Name a method of permanently attaching Part B to Part C.
____________________________________________________________ (1)
© Hodder Education 2010
WJEC DESIGN & TECHNOLOGY FOR GCSE: RESISTANT MATERIALS
5.
Explain what is meant by an alloy.
____________________________________________________________
_________________________________________________________ (2)
6.
Give an advantage of an alloy over a pure metal.
____________________________________________________________
__________________________________________________________(2)
7.
The pins of a plug are made from brass. Give two reasons for this
choice of material.
(i) Reason 1:
__________________________________________________________
_________________________________________________________ (2)
(ii) Reason 2:
____________________________________________________________
_________________________________________________________ (2)
8.
Explain why router cutters are often made from tungsten carbide
rather than steel.
____________________________________________________________
_________________________________________________________ (2)
© Hodder Education 2010
WJEC DESIGN & TECHNOLOGY FOR GCSE: RESISTANT MATERIALS
9.
Name two different types of steel.
____________________________________________________________
_________________________________________________________ (2)
10. Explain how you would accurately and safely drill a 10mm hole in
steel.
____________________________________________________________
____________________________________________________________
____________________________________________________________
_________________________________________________________ (4)
© Hodder Education 2010
WJEC DESIGN & TECHNOLOGY FOR GCSE: RESISTANT MATERIALS
11. The diagram below shows part of an axle for a child’s bike. It is
manufactured from a single piece of 10mm mild steel bar.
(a) Use notes and sketches to explain how you would:
(i) reduce the diameter of the end of the bar to 6mm (4)
(ii) produce a thread on the end of the bar to attach a metal nut. (4)
© Hodder Education 2010
WJEC DESIGN & TECHNOLOGY FOR GCSE: RESISTANT MATERIALS
12. The diagram below shows a 5mm thick piece of steel marked out for
drilling and shaping.
Using notes and sketches, explain how you would remove the waste
material and finish the radius. (4)
© Hodder Education 2010
WJEC DESIGN & TECHNOLOGY FOR GCSE: RESISTANT MATERIALS
13. The diagram below shows a greenhouse constructed from aluminium.
(a) Other than strength, describe two properties of aluminium that make it a
suitable material for the greenhouse.
(i) Property 1:
____________________________________________________________
_______
_________________________________________________________ (2)
(ii)
ii) Property 2:
____________________________________________________________
__________________________________________________________ (2)
(b) The greenhouse comes ‘flat-packed’ and is constructed using nuts and
bolts. Give two advantages of this type of construction.
(i) Advantage 1:
_________________________________________________________
(1)
_________
© Hodder Education 2010
WJEC DESIGN & TECHNOLOGY FOR GCSE: RESISTANT MATERIALS
(ii) Advantage 2:
_________________________________________________________ (1)
© Hodder Education 2010