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Heat engine

An ideal gas heat engine operates in a Carnot cycle between 27°C and 127°C. It absorbs 6 kcal at the higher temperature. The amount of heat (in kcal) converted into work is equal to


Efficiency of a carnot engine is given by η=1T2T1
 or WQ=1T2T1W6=1(273+27)(273+127)W=1.5kcal

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