The mechanical efficiency of a single cylinder four-stroke engine is 8 – McqOptions

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1.	The mechanical efficiency of a single cylinder four-stroke engine is 80%. The frictional power is estimated to be 25. Calculate the indicated and brake power developed by the engine.
A.	106 kW;120 kW
B.	125 kW;100 kW
C.	120 kW;106 kW
D.	100 kW;125 kW
Answer» C. 120 kW;106 kW

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