Taiwan Mechanical Engineering Technologist Examination

Practice session

An ideal gas in a closed piston-cylinder assembly expands from an initial state of P1 = 500 kPa and V1 = 0.05 m³ to a final pressure of P2 = 100 kPa following a polytropic path PV^1.3 = C. What is the boundary work done by the gas during this process?

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