Related Questions

On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in
A Greater degree of separation with a fixed number of trays
B Increased reboiler load
C Increased reflux ratio
D None of these
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
The safety valve on boiler drum compared to safety valve on superheater is set at
A Same value
B Higher value
C Lower value
D Lower/higher depending on steam flow
For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is
A More
B Less
C Equal
D Either A or B; depends on the viscosity of the fluid
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
A valve installed between the boiler and the feed pump is
A Blow off cock
B Feed check valve
C Steam stop valve
D None of these
The feed check valve is used in order to
A Regulate flow of boiler water
B Check level of water in boiler drum
C Recirculate unwanted feed water
D Allow high pressure feed water to flow to drum and not allow reverse flow to take place
Feed check valve is used in steam boilers to
A Check the water level in the boiler
B Check the feed water flow rate
C Feed high pressure water to boiler and guard against its backflow through it
D None of these
The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as
A Regenerative heating
B Reheating of steam
C Bleeding
D None of these
A bag of chicken feed can feed 18 chickens for 54 days. For how many days will it feed 12 chickens?
A 81
B 36
C 72
D 40

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