Air expands from initial condition of p1, v1 to final condition of 1/2 p1, 2v1. Choose the correct statement

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📊 Engineering Thermodynamics

Q. Air expands from initial condition of p1, v1 to final condition of 1/2 p1, 2v1. Choose the correct statement

(A) no work is performed during expansion
(B) expansion is isothermal
(C) expansion is polytropic with n= 1.2
(D) expansion is adiabatic

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✅ Correct Answer: (C) expansion is polytropic with n= 1.2

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