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MECHANISMS EXAM QUESTION 1

V. Ryan © 2004 - 2009

 

1. Car engines burn petrol/diesel so that their engines can drive them forward and backwards.

A. Fuel is potential energy. What is potential energy?



Using the incomplete systems diagram below - complete the sequence. Your sequence should show how the fuel’s potential energy is converted other forms of energy

   

   

B. An exhaust valve of a typical internal combustion engine is shown below. When in operation the exhaust valve moves in the direction indicated by the arrows, for every revolution of the shaft. On the diagram, draw the missing mechanism that enables this to happen.

   

   
C. Describe how the mechanism works.

 

 

 

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