The mechanical efficiency ($${\eta _{\text{m}}}$$) of the engine is given by
A. $${\eta _{\text{m}}} = \frac{{{\text{B}}{\text{.P}}{\text{.}}}}{{{\text{I}}{\text{.P}}{\text{.}}}}$$
B. $${\eta _{\text{m}}} = \frac{{{\text{I}}{\text{.P}}{\text{.}}}}{{{\text{B}}{\text{.P}}{\text{.}}}}$$
C. $${\eta _{\text{m}}} = \frac{{{\text{B}}{\text{.P}}{\text{.}} \times {\text{I}}{\text{.P}}{\text{.}}}}{{100}}$$
D. None of these
Answer: Option A
Solution (By Examveda Team)
The mechanical efficiency ($${\eta _{\text{m}}}$$) of the engine is given by $${\eta _{\text{m}}} = \frac{{{\text{B}}{\text{.P}}{\text{.}}}}{{{\text{I}}{\text{.P}}{\text{.}}}}$$This Question Belongs to Mechanical Engineering >> Internal Combustion Engines (I.C. Engines)
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