Q450
The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be
A.
More
AnswerB.
Less
C.
Same
D.
Data insufficient to predict
Answer: Option A
Solution
Answer: Option A
Solution:
The Otto engine has more efficiency than diesel engine. As the ratio of area under p-v diagram to heat addition in case of petrol engine is more than the diesel engine. But for the practical purposes the diesel engine has more efficiency.