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SYSTEMS PREPARATION QUESTIONS 2007 - 12 |
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1. It has been decided that the plastic being used for the coupling wears out too quickly. Aluminium is to be used. |
Write two advantages of using aluminium: |
ADVANTAGE ONE: |
ADVANTAGE TWO: |
ANSWER |
ADVANTAGE ONE: Aluminium is a light-weight metal. This means the finished coupling will not be heavy and the rotation of the wheels will not affected by adding too much weight.
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2. A manufacturing process called casting is to be used to make the new coupling. Complete the diagram of casting shown below by adding appropriate labels. |
ANSWER |
3. When casting it is extremely important to wear the correct safety equipment shown on the diagram below. Name each piece of equipment and explain why each is necessary. |
ANSWER |
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