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Superheated steam enters an adiabatic turbine at 10 MPa and 500 °C, and exits at 4 MPa. The final temperature is closest to:Question 7Select one:a.326 °Cb.371 °Cc.365 °Cd.354 °C

Question

Superheated steam enters an adiabatic turbine at 10 MPa and 500 °C, and exits at 4 MPa. The final temperature is closest to:Question 7Select one:a.326 °Cb.371 °Cc.365 °Cd.354 °C

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Solution

To solve this problem, we need to use the concept of isentropic process for an adiabetic turbine.

  1. First, we need to find the initial entropy at the inlet of the turbine. We can use the steam tables to find the entropy at 10 MPa and 500 °C.

  2. Then, we assume that the process is isentropic, which means the entropy remains constant. So, the entropy at the exit of the turbine is the same as the entropy at the inlet.

  3. Now, we can use the steam tables again to find the temperature at 4 MPa and the same entropy. This will be the final temperature.

Without the actual steam tables or the exact entropy values, I can't provide the exact final temperature. However, this is the process you would follow to find the answer.

This problem has been solved

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