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why petrol engines have more power than diesel engines of
same capacity?

Answers were Sorted based on User's Feedback



why petrol engines have more power than diesel engines of same capacity?..

Answer / pravin

BCOZ PETROL HAVING HIGH CALORIFIC VALUE.

Is This Answer Correct ?    4 Yes 8 No

why petrol engines have more power than diesel engines of same capacity?..

Answer / syed waqas hashmi

hi Pushkar
Thanks for correcting me. But dont you think that power also
depends on combustion ? Think it practically, if most of the
fuel combust then it exerts more pressure on piston, and
more amount of power you get. This is what i am thinking.

Is This Answer Correct ?    1 Yes 7 No

why petrol engines have more power than diesel engines of same capacity?..

Answer / girish.s

because in petrol engines the spark ignition produces a
faster stroke hence more power is produced,whereas in C.I
engines this is absent.

Is This Answer Correct ?    2 Yes 8 No

why petrol engines have more power than diesel engines of same capacity?..

Answer / nobody

I think you are all wrong. A diesel engine will produce more
power then a gas engine due to higher compression

Is This Answer Correct ?    5 Yes 12 No

why petrol engines have more power than diesel engines of same capacity?..

Answer / syed waqas hashmi

Assalam o alaikum.
In my opinion the rate of power depends on combustion. In
S.I engines more amount of fuel get burnt as compare to
diesle engine. The more the feul burnt the more amount of
power you get. If you think that my answer is wrongs so
please tell me i will be thankfull.

Is This Answer Correct ?    4 Yes 36 No

why petrol engines have more power than diesel engines of same capacity?..

Answer / anil

in petrol engine heat rejection is less for given capacity
so it gives more power

Is This Answer Correct ?    2 Yes 39 No

why petrol engines have more power than diesel engines of same capacity?..

Answer / mv

Because in a Petrol Engine (SI Engine), there is 1 power
stroke in every revolution of the crank shaft. But in a
diesel engine (CI Engine) there is 1 power stroke in every
2 revolutions of the crank shaft.

Is This Answer Correct ?    10 Yes 126 No

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