1.

In a 1000 cc four-stroke IC engine with crank running at 1000 rpm, if the mean effective pressure is 400 kPa and efficiency of engine is 0.5, then brake power of the engine is

A. 5/3 kW
B. 4/7 kW
C. 3/5 kW
D. 7/9 kW
Answer» B. 4/7 kW


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