Q.

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

  • Ar ɣ-1
  • B1 - r ɣ-1
  • C1 - (1/r) ɣ-1/ɣ
  • D1 - (1/r) ɣ/ɣ-1
Correct Answer : (C)

1 - (1/r) ɣ-1/ɣ

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