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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 | |