Practice MCQ Questions and answers on Power System & Generation Test Questions

A. Constant speed of 3000 rpm.

B. Constant speed of 1000 rpm.

C. A variable speed of above 1000 rpm.

D. None of the above

A. Reaction turbine

B. Impulse turbine

C. Both (a) and (b)

D. None of these

A. Steel

B. Cast iron

C. Aluminium

D. Cobalt

A. Nozzle control governing

B. Throttle governing

C. Bypass governing

D. All of these

A. Stage efficiency

B. Initial pressure and temperature

C. Exit pressure

D. All of the above

A. 50°

B. 20°

C. 5°

D. 30°

A. Recovers the heat from the flue gases leaving the economiser.

B. Improves combustion rate.

C. Raises the temperature of the furnace gases

D. All of these.

A. A device used to pull in air.

B. The difference between absolute gas pressure at any point in a gas flow and the ambient atmospheric pressure.

C. The sum of the absolute gas pressure at any point in a gas flow and the ambient atmospheric pressure.

D. A device used to pull out air.

A. Forced draught

B. Natural draught

C. Induced draught

D. Balanced draught

A. Boiler

B. Turbine

C. Economiser

D. Super heater