Reheating in multistage expansion gas turbine results in
A). High thermal efficiency
B). Reduction in compressor work
C). Decrease of heat loss in exhaust
D). Maximum work output
Reheating in gas turbine results in
A). Increase of work ratio
B). Decrease of thermal efficiency
C). Decrease of work ratio
D). Both (A) and (B) above
Inter-cooling in gas turbine results in
A). Increase in net output but decrease in thermal efficiency
B). Increase in thermal efficiency but decrease in net output
C). Increase in both thermal efficiency and net output
D). Decrease in both thermal efficiency and net output
If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches
A). Isothermal
B). Isentropic
C). Adiabatic
D). Isochoric
As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio
A). Increases
B). Decreases
C). Remain same
D). First increases and then decreases