Compressors, Gas Turbines and Jet Engines - Mechanical Engineering Questions and Answers

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The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)

r ɣ-1

1 - r ɣ-1

1 - (1/r) ɣ-1/ɣ

1 - (1/r) ɣ/ɣ-1

Answer : Option C

Explanation :

The overall thermal efficiency of an ideal gas turbine plant is 1 - (1/r) ɣ-1/ɣ
(where r = Pressure ratio)

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