A heat engine operating n between ` 227^(@)` and ` 27^(@) C` absorbs 2 K a cal of heat from the ` 227^(@)` reservoir reversibly per cycle . The amount of work done in one cycle isA. 0. 4 calB. 0.8 calC. 4 KcalD. 87 Kcal

A heat engine operating n between ` 227^(@)` and ` 27^(@) C` absorbs 2

1.	A heat engine operating n between ` 227^(@)` and ` 27^(@) C` absorbs 2 K a cal of heat from the ` 227^(@)` reservoir reversibly per cycle . The amount of work done in one cycle isA. 0. 4 calB. 0.8 calC. 4 KcalD. 87 Kcal
Answer» Correct Answer - B `eta = 1 - (300)/(500) = 1 -0.6 -0.4` `%eta= 40 =\|W\|/(q)xx 100` `w = (40)/(100)xx2= 0.8 Kcal`

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A heat engine operating n between ` 227^(@)` and ` 27^(@) C` absorbs 2 K a cal of heat from the ` 227^(@)` reservoir reversibly per cycle . The amount of work done in one cycle isA. 0. 4 calB. 0.8 calC. 4 KcalD. 87 Kcal

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