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

Questions › Category: Compressors Gas Turbines and Jet Engines › The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
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VideRime Staff asked 2 years ago
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The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)

(A) r ɣ-1

(B) 1 – r ɣ-1

(C) 1 – (1/r) ɣ-1/ɣ         (Ans)

  • (D) 1 – (1/r) ɣ/ɣ-1