Q.

A four cylinde si engine develops 100 kw running at a constant speed . When eginition of each cylinder is cut-off successively at the same speed , the BP is 71, 70, 71, 72 KW. The FP of engine and mechanical efficiency are

A. 116kw, 51.3%
B. 16kw, 86.2%
C. 29kw, 77.5%
D. none of the above
Answer» B. 16kw, 86.2%
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