Mechanical Engineering - IC Engines and Nuclear Power Plants - Discussion
Discussion Forum : IC Engines and Nuclear Power Plants - Section 4 (Q.No. 7)
7.
The thermal efficiency of a petrol engine is __________ as compared to diesel engine.
Discussion:
4 comments Page 1 of 1.
Akhilesh barde said:
5 years ago
Actually the answer is the thermal efficiency of Otto cycle is > than diesel cycle. As heat rejection in diesel engine is more so (Qs-Qr) /Qs by this formula it can be proved.
B mahesh said:
9 years ago
Why because compression of the ratio of petrol engine is low compared to diesel that's why the thermal efficiency of petrol engine is less.
Sham Malik said:
6 years ago
Because sfc for SI is 0.25kg and for CI is 0.20 kg.
Sagar said:
10 years ago
Could anybody explain it?
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