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Q. |
A four stroke petrol engine is designed to develop 35 BHP at 200 RPM. It has an indicated mean effective pressure of 20 kg/cm2, a stroke of 35 cm and a bore diameter of 20 cm. Using this data mechanical efficiency of the engine at the running condition given would be closest to |
A. | 50 percent |
B. | 60 percent |
C. | 70 percent |
D. | 80 percent |
E. | None of the above |
Answer» C. 70 percent |
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