One kg of air (R = 287 J/kg.K) undergoes an irreversible process between equilibrium state 1 (20° C, 0.9m 3 ) and equilibrium state 2 (20°C, 0.6 m 3 ). The change in entropy s 2 – s 1 (in J/kg.K) is _________

GATE Mechanical Engineering (ME) 2015 Shift 2 Solved Paper

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One kg of air (R = 287 J/kg.K) undergoes an irreversible process between equilibrium state 1 (20° C, 0.9m³) and equilibrium state 2 (20°C, 0.6 m³). The change in entropy s₂ – s₁ (in J/kg.K) is _________

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