Steam turbines are governed by the following methods_____________?

Rankine cycle operating on low pressure limit of p1 an 1 high pressure limit of p2__________?

A. has higher the renal efficiency than the carnot cycle operating between same pressure limits
B. has lower the”nal efficiency than carnot cycle operating between same pressure limit?
C. has same thermal efficiency as carnot cycle operating between same pressure limits
D. may be more or less depending upon the magnitude of p1 and p2

The maximum percentage gain in Regenerative feed heating cycle thermal efficiency____________?

A. increases with number of feed heaters increasing
B. decreases with number of feed heaters increasing
C. remains same unaffected by number of feed heaters
D. none of the above

Which of the following generating station has minimum running cost?

A. Nuclear
B. Hydro
C. Thermal
D. Diesel

The cooling section in the surface condenser__________?

A. increases the quantity of vapour extracted along with air
B. reduces the quantity of vapour extracted along with air
C. does not affect vapour quantity extracted but reduces pump capacity of air extraction pump
D. none of the above

A gas turbine basically work on

A. Carnot cycle
B. Rankin cycle
C. Brayton cycle
D. Dual cycle

The effect of considering friction losses in steam nozzle for the same pressure ratio leads to________?

A. increase in exit velocity from the nozzle
B. decrease in exit velocity from the nozzle
C. no change in exit velocity from the nozzle
D. increase or decrease depending upon the exit quality of steam