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Mechanical Engineering · Q22

Compressors, Gas Turbines And Jet Engines

Engineering and GATE · Mechanical Engineering · question 22

Q22

There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would

A.
Remain same
B.
Decrease
C.
Increase
Answer
D.
None of the above

Answer: Option C

Solution

Answer: Option C
Solution:
There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Increase