The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) Correct Answer $$1 - {\left( {\frac{1}{{\text{r}}}} \right)^{\frac{{\gamma - 1}}{\gamma }}}$$
The overall thermal efficiency of an ideal gas turbine plant is $$1 - {\left( {\frac{1}{{\text{r}}}} \right)^{\frac{{\gamma - 1}}{\gamma }}}$$(Where r = Pressure ratio)