The mechanical efficiency (≈í‚àëm) of an I.C. engine is equal t – McqOptions

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1.	The mechanical efficiency (≈í‚àëm) of an I.C. engine is equal to (where I.P. = Indicated power, B.P. = Brake power and F.P. = Frictional power)$
A.	I.P/B.P.
B.	B.P/I.P.
C.	B.P/F.P.
D.	F.P/B.P.
Answer» C. B.P/F.P.

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