Related Questions

A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as
A Blow off cock
B Fusible plug
C Superheater
D Stop valve
Maximum thermal efficiency of boiler may be about __________ percent.
A 10
B 25
C 65
D 90
In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
A 10 atmospheres
B 20 atmospheres
C 30 atmospheres
D 40 atmospheres
A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.
A Blow off cock
B Fusible plug
C Stop valve
D Safety valve
Thermal efficiency of a limestone calcination rotary kiln may be around __________ percent.
A 20
B 40
C 65
D 80
Steam in water tube boiler as compared to fire tube boiler
A Can be raised rapidly
B Is raised at slower rate
C Is raised at same rate
D Could be raised at fast/slow rate depending on design
The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase
A Increases
B Decreases
C Remains unchanged
D Increases/decreases depending on steam temperature requirements
The delivery pressure of boiler feed water pump compared to the boiler steam pressure is
A Same
B Slightly less
C Slightly more
D Much more
Thermal efficiency of an internal combustion engine is around __________ percent.
A 8
B 35
C 65
D 80
Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent.
A 1
B 10
C 30
D 45

Next steps