8. In a two stage gas turbine plant, reheating after first stage_ a) decreases the thermal efficiency b) increases the thermal efficiency c) does not affect the thermal efficiency 9. In a two stage gas-turbine power plant, reheating after first stage_ a) increases back work ratio b) decreases back work ratio c) does not affect back work ratio 10. In a two stage gas turbine power plant, with intercooling and reheating_ a) both back work ratio and thermal efficiency improve b) back work ratio improves but thermal efficiency decreases c) thermal efficiency improves but back work ratio decreases d) none of the above 11. The cheapest plant in operation and maintenance is

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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8. In a two stage gas turbine plant, reheating after first stage_
a) decreases the thermal efficiency
b) increases the thermal efficiency
c) does not affect the thermal efficiency
9. In a two stage gas-turbine power plant, reheating after first stage_
a) increases back work ratio
b) decreases back work ratio
c) does not affect back work ratio
10. In a two stage gas turbine power plant, with intercooling and reheating_
a) both back work ratio and thermal efficiency improve
b) back work ratio improves but thermal efficiency decreases
c) thermal efficiency improves but back work ratio decreases
d) none of the above
11. The cheapest plant in operation and maintenance is
a) steam power plant
b) nuclear power plant
c) hydro-electric power plant
d) none of the above
12. The power output from a hydro-electric power plant depends on three parameters_
a) head, dam type and discharge
b) head, discharge and system efficiency
c) system efficiency, dam type of draft tube
d) dam type, discharge and catchment area
Transcribed Image Text:8. In a two stage gas turbine plant, reheating after first stage_ a) decreases the thermal efficiency b) increases the thermal efficiency c) does not affect the thermal efficiency 9. In a two stage gas-turbine power plant, reheating after first stage_ a) increases back work ratio b) decreases back work ratio c) does not affect back work ratio 10. In a two stage gas turbine power plant, with intercooling and reheating_ a) both back work ratio and thermal efficiency improve b) back work ratio improves but thermal efficiency decreases c) thermal efficiency improves but back work ratio decreases d) none of the above 11. The cheapest plant in operation and maintenance is a) steam power plant b) nuclear power plant c) hydro-electric power plant d) none of the above 12. The power output from a hydro-electric power plant depends on three parameters_ a) head, dam type and discharge b) head, discharge and system efficiency c) system efficiency, dam type of draft tube d) dam type, discharge and catchment area
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