The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
A. $${{\text{r}}^{\gamma - 1}}$$
B. $$1 - {{\text{r}}^{\gamma - 1}}$$
C. $$1 - {\left( {\frac{1}{{\text{r}}}} \right)^{\frac{{\gamma - 1}}{\gamma }}}$$
D. $$1 - {\left( {\frac{1}{{\text{r}}}} \right)^{\frac{\gamma }{{\gamma - 1}}}}$$
Answer: Option C
Solution(By Examveda Team)
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)
This Question Belongs to Mechanical Engineering >> Compressors, Gas Turbines And Jet Engines
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