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Question

Q8. (A) A set of indicator diagrams including draw cards has been taken for a main diesel engine, noted that compression curve is normal. Examine critically and give reasons for following observations.

i. The maximum pressure is lower;

ii. The maximum pressure is higher;

iii. The expansion curve is lower;

iv. The expansion curve is higher.

(B). Describe how the faults as mentioned above can be rectified

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