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The brake power of a four-cylinder engine is $30 \mathrm{~kW}$ with all cylinders firing and $20 \mathrm{~kW}$ with any one cylinder cut. The mechanical efficiency of the engine in percent is
(A) 60
(B) 67
(C) 75
(D) 83


Question ID - 157192 | Toppr Answer

The brake power of a four-cylinder engine is $30 \mathrm{~kW}$ with all cylinders firing and $20 \mathrm{~kW}$ with any one cylinder cut. The mechanical efficiency of the engine in percent is
(A) 60
(B) 67
(C) 75
(D) 83

1 Answer - 5876 Votes

3537

Answer Key : (C) -

(C) 75



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