Identify and describe two features of the electronic toothbrush that show that the
designer has thought about product maintenance.
Feature 1:
Description:
Explain why it is important for a designer to think about maintenance when designing products.
[4 marks]
Explain why the designer has used Acrylonitrile Butadiene Styrene (ABS) plastic in the manufacture of the toothbrush.
[4 marks]
8 (a) Give four ergonomic features of the wind up torch.
Explain each of your answers.
8 (a) (i) Feature 1
Explanation
8 (b) Using the wind up torch as an example, explain the importance of anthropometric data.
Give a specific use for the wind up torch.
Give two reasons why it is suitable for this use.
Give a specific use for the gas light.
Give two reasons why it is suitable for this use.
Both saws have blades that can be replaced.
Explain why this is important.
Use notes and sketches to describe one process that you could carry out with both of these saws.
Compare the effectiveness of using each saw.
Explain why a designer should consider the importance of maintenance when
designing products.
Give four ergonomic features of the buggy.
Explain each of your answers.
Feature 1
Explanation:
Name a mechanism that is used on the buggy.
Draw a labelled diagram of the mechanism you named on the buggy.
Explain the function of your chosen mechanism from the buggy.
Study the mountain bike shown in Figure 3
5 (a) Name the mechanism labelled as Part A.
Give one advantage that this mechanism has over a belt drive mechanism.
Explain your answer.
Advantage
Explanation
Mechanisms need regular maintenance.
Identify one mechanism other than Part A which needs regular maintenance that can be found on a mountain bike.
Make a sketch of your chosen mechanism.
Describe how this mechanism should be maintained.
Explain why regular maintenance of machinery is important.
Identify and describe the ergonomic features of the computer mouse.
Explain how anthropometric data has been used by the designer when designing the
computer mouse.
Identify four improved features that Drill A has when compared to Drill B.
Explain how each improvement helps the user.
Feature 1:
