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SYSTEMS PREPARATION QUESTIONS 2007 - 12

V. Ryan 2007

 

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.


ADVANTAGE TWO: Aluminium is harder wearing than any plastic. This means that the coupling will last longer than the plastic version.

   
   

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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