The compression ratio for diesel engine mcq

    

MCQ  

The compression ratio for diesel engine ........

Options 

A) 6 to 10

B) 10 to 15

C) 15 to 22

D) 22 to 40

Correct answer : option B ( solution discussed below)

Solution

Diesel engine working by using diesel cycle. In diesel engine suction stroke only air is supplied in cylinder 

In diesel engine ignition is produce with the help of high temperature compress air so in diesel engine high compression ratio must be required for burning.

If compression ratio is decreased then normal then knocking probelm is produce in diesel engine so compression ratio of petrol engine is high. (15 to 22)

i.e. the compression ratio for diesel engine is 15 to 22

Compression ratio of diesel engine is higher than petrol engine.

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