if the brake power and indicated power of an engine are 22.286 KW and 56.589KW, what would be mecanicale efficiency of an engine ..?

if the brake power and indicated power of an engine are 22.286 KW and

1.	if the brake power and indicated power of an engine are 22.286 KW and 56.589KW, what would be mecanicale efficiency of an engine ..?
A.	0.75
B.	0.78
C.	0.79
D.	0.86
Answer» E.