MCQOPTIONS
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| 1. |
The mechanical efficiency (ηm) of the engine is given by |
| A. | ηm = B.P/I.P |
| B. | ηm = I.P/B.P |
| C. | ηm = (B.P × I.P)/100 |
| D. | none of these |
| Answer» B. ηm = I.P/B.P | |