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  3. thermodynamics 1. correct answer: 8.0087 �

Thermodynamics 1. Correct Answer: 8.0087 ± 0.1% Steam at 1 MPa, 593.2oC, expands in a turbine to 0.01...

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Mechanical Engineering

Thermodynamics

1. Correct Answer: 8.0087 ± 0.1%

Steam at 1 MPa, 593.2oC,expands in a turbine to 0.01 MPa. If the process is isentropic, find the specific entropy (kJ/kg-K) at the exit ofthe turbine.

Note: Give your answer to four decimal places.

2.  CorrectAnswer: 301.43± 0.08%

Initially, an insulated rigid tank contains 19.37 kg of water at27.04oCand 101 kPa. The tank also contains a 4.42 kg copper block at87.13oC.Assume constant specific heats where Cwater= 4.179 kJ/kg-K and CCu= 0.385 kJ/kg-K. Determine the final equilibrium temperature(K).

Note: Give your answer to two decimal places.

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