With increase in pressure ratio, thermal efficiency of a simple gas turbine plant with fixed turbine inlet temperature
A.increases
B.decreases
C.first increases and then decreases
D.none of the above
Category: Turbo machines Mcqs
In a nozzle if back pressure is equal to inlet pressure
A.no flow occurs
B.maximum flow occurs
C.flow is subsonic in diverging section
D.flow is supersonic in converging as well as supersonic sections
