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How much of the 1200 KJ of thermal energy at 700 K can be converted to useful

work if the environment is at 25°C -

Mumbai university > MECH > SEM 3 > THERMO

Marks: 4M

Year: May 2014

1 Answer
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Given : Q = 1200 KJ , T = 700K , T0 = 298K

The available energy is given as,

A=Q(1T0T)

A=1200(1298700)

A=689.142KJ

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