Question

Calculate engine rating (in H.P.), diameter of cylinder = 2.91 inch, number of cylinder = 04

Answer 1

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Answer 2

Answer:

Mean effective pressure is hypothetical pressure, which is thought to be acting on the piston throughout the power stroke.

MEP in bar=(power in KW x 60) / (L xA x(N/n) x No. of cylinder x100)

Where, L=stroke length

A= c/s area

N = Rotational speed of engine RPM

n= number of revolutions required to complete one engine cycle

Explanation:

Mean effective pressure is hypothetical pressure, which is thought to be acting on the piston throughout the power stroke.

MEP in bar=(power in KW x 60) / (L xA x(N/n) x No. of cylinder x100)

Where, L=stroke length

A= c/s area

N = Rotational speed of engine RPM

n= number of revolutions required to complete one engine cycle