Science, asked by nandank8688, 1 year ago

Why compression ratio of petrol engine is smaller than diesel engine?

Answers

Answered by Abhishek314

0

Compared to diesel, petrol is very volatile and can easily mix up with air and get burnt. Now considering a petrol engine with a greater compression ratio, in the compression stroke the fuel air mixture will be compressed to a smaller volume which increases temperature and will cause the knocking of the fuel.

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