During a polytropic expansion 25% of heat is converted into work while temperature of gas rises by 30 K, the specific heat of gas at constant volume is

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📊 Engineering Thermodynamics

Q. During a polytropic expansion 25% of heat is converted into work while temperature of gas rises by 30 K, the specific heat of gas at constant volume is

(A) 10% w
(B) 12 % w
(C) 15% w
(D) 20% w

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✅ Correct Answer: (B) 12 % w

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