Passed through the low-pressure stages, less than or equal to an increase in Rankine cycle efficiency.
(a) not comparable with
(b) more than
(c) all of the above
(d) none of the above
(a) Evaporator, Condenser, Boiler, Expansion valve
(b) Evaporator, Condenser, Boiler, Turbine
(c) Boiler, Turbine, Condenser, Pump
(d) Boiler, Turbine, Pump, Expansion valve
What is the reheating of steam at an intermediate stage in a power plant?
(a) Use of steam for heating
(b) Use of high pressures
(c) All of the above
(d) None of the above
6. It is the platform in the furnace upon which fuel is burnt and it is made of cast iron bars.
(a) Furnace
(b) Grate
(c) Refractory
(d) Setting
7. It consists of one or more steel plates bent into a cylindrical form and riveted or welded together.
(a) Shell
(b) Grate
(c) Refractory
(d) Setting
8. Its primary function is to confine heat to the boiler and form a passage for gases. It is made of brickwork and may form the wall of the furnace and the combustion chambers.
(a) Furnace
(b) Grate
(c) Refractory
(d) Setting
9. The removal of the mud and other impurities of water from the lowest part of the boiler is called...
(a) Blowing off
(b) Drum
(c) Wiping
(d) Setting
10. In practice, there is loss due to friction in the nozzle and its value varies from...of total heat drop.
(a) 10 to 15%
(b) 15 to 20%
(c) 20 to 25%
(d) 25 to 30%