As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio

first increases and then decreases

As the turbine inlet temperature increases, the thermal efficiency of

1.	As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio
A.	increases
B.	decreases
C.	remains same
D.	first increases and then decreases
Answer» B. decreases