Mechanical Engineering > GATE 2015 SET-2 > Entropy
One kg of air (R = 287 J/kg-K) undergoes an irreversible process between equilibrium state 1 (20°C, 0.9 m3) and equilibrium state 2 (20°C, 0.6 m3). The change in entropy s2-s1 (in J/kg-K) is ________.
Correct : -116.3
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