Efficiency of the engine in the above questions isA. `30%`B. `10%`C. `

1.	Efficiency of the engine in the above questions isA. `30%`B. `10%`C. `20%`D. `80%`
Answer» Correct Answer - C `eta= 1-(T_(2))/(T_(1))= 1-(400)/(500)= 1/5= 20%`

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Efficiency of the engine in the above questions isA. `30%`B. `10%`C. `20%`D. `80%`

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