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IESL Part II Mechanical Practice Questions - IESL Qualifying Examination Part II - Mechanical Engineering Exam

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Air enters an insulated compressor operating at steady state at 100 kPa and 20°C (293 K) with negligible velocity, and exits at 1 MPa and 340°C (613 K) with a velocity of 80 m/s. The mass flow rate of air is 2 kg/s. Assuming air behaves as an ideal gas with Cp = 1.005 kJ/kg·K, calculate the power input required by the compressor.
Correct Answer:
649.6 kW

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