DP Design Technology Questionbank
4.1 Properties of materials
Description
[N/A]Directly related questions
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19N.2.SL.TZ0.7b:
Explain one physical property that the material used in the Zuperzozial kitchenware needs to possess.
- 18N.1.SL.TZ0.15: A table leg, under normal load conditions, would be under which force? A. Shear B. Torsion C....
- 18N.1.SL.TZ0.16: Which best describes the properties required of copper when being drawn into wire? A....
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18N.2.SL.TZ0.1b.ii:
Outline why magneto-rheostatic smart materials would be used in the landing gear of the Boeing 787.
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18N.2.SL.TZ0.1a.ii:
Outline which physical property would have the greatest impact on the fuel consumption of a plane.
- 19N.1.SL.TZ0.15: Sunglasses can be made using a smart material that, if deformed, will return to its original...
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19N.1.SL.TZ0.14:
The aircraft canopy of the fighter jet in Figure 4 allows the pilot to see out while flying. It is made from a thick polycarbonate which can absorb the impact of any debris.
Figure 4: An aircraft canopy
[Source: https://pixabay.com]
What mechanical property does this demonstrate?
A. Ductility
B. Hardness
C. Toughness
D. Plasticity
- 20N.1.HL.TZ0.15: What property does a material have if it can be drawn or extruded into wires and does not break...
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19M.2.SL.TZ0.7a:
List two properties that are required in the materials used in a smartwatch.
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18M.1.SL.TZ0.14:
The joints along railway tracks have noticeable gaps. This is not a design flaw as these gaps serve a purpose, see Figure 5.
Figure 5: The gaps along railway tracks
[Source: https://commons.wikimedia.org/wiki/File:Track_joint.jpg]
What purpose do the gaps along railway tracks serve?
A. Easy access for maintenance
B. Allow for thermal expansion
C. Ease of transportation
D. To adjust the distance between the wooden sleepers
- 19M.1.SL.TZ0.17: Which of the following best describes the term brittle? A. Returns to its original shape after...
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21N.2.SL.TZ0.1a.i:
Define elasticity.
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21N.2.SL.TZ0.1a.ii:
Figure 4 shows an example of a stress / strain graph.
Describe what happens when the stress on a material causes it to exceed its yield point.
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21N.2.SL.TZ0.7a:
Outline one physical property that makes hardwood a suitable choice for the base of the Gramovox® bluetooth speaker in Figure 13.
- 17N.1.SL.TZ0.15: Photochromic materials change in response to what stimulus? A. Heat B. Light C. Electric...
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22M.2.SL.TZ0.5a:
List two properties that made cast iron a suitable material for the Bailey Wood Plane.
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22M.2.SL.TZ0.1d.i:
State how the plastic straw gains its stiffness.
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22M.2.SL.TZ0.2b:
List two properties that enable rope to maintain its strength.
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22M.2.SL.TZ0.2a:
Outline why fibres are important for the strength and flexibility of the rope.
