Air- preheater in a steam power plant_____________.
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.
Related Questions on Power System & Generation Test Questions
Turbo alternators run at speeds
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 steam turbine with no nozzle is ________________.
A. Reaction turbine
B. Impulse turbine
C. Both (a) and (b)
D. None of these
The governing principle of steam turbines are ________________.
A. Nozzle control governing
B. Throttle governing
C. Bypass governing
D. All of these
The reheat factor in a steam turbine depends on
A. Stage efficiency
B. Initial pressure and temperature
C. Exit pressure
D. All of the above