Blow off cock
Fusible plug
Superheater
Stop valve
C. Superheater
100 kg/cm² and 540°C
1 kg/cm² and 100°C
218 kg/cm² abs and 373°C
218 kg/cm² abs and 540°C
Induced draft fan
Smoke meter
Chimney
Precipitator
Low
Very low
High
Very high
75
115
165
225
2 sin²α/(1 + sin²α)
2 cos²α/(1 + cos²α)
(1 + sin²α)/2 sin²α
(1 + cos²α)/2 cos²α
Steam pressure exceeds the working pressure
Water level in the boiler becomes too low
Both (A) and (B)
None of the above
To give maximum space and strength
To withstand the pressure of steam inside the boiler
Both (A) and (B)
None of the above
Inlet and throat
Inlet and outlet
Throat and exit
All of these
Blow off cock
Fusible plug
Superheater
Stop valve
Workdone on the blades to the energy supplied to the blades
Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam
Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam
None of the above
Equal to
Lower than
Higher than
None of these
Horizontal multi-tubular water tube boiler
Water wall enclosed furnace type
Vertical tubular fire tube type
Horizontal multi-tubular fire tube type
Reheating of steam
Regenerative feed heating
Binary vapour plant
Any one of these
Number of casing
Number of entries of steam
Number of exits of steam
Each row of blades
DIN
BS
ASTM
IBR
Steam jet
Centrifugal fan
Chimney
Both (A) and (B)
Reduce hardness and for removal of solids
Increase efficiency of thermal power plant
Increase heat transfer rate
Increase steam parameters
Locomotive boiler is a water tube boiler
Water tube boilers are internally fired
Lamont boiler is a low pressure water tube boiler
All of the above
Drooping characteristic
Linear characteristic
Rising characteristic
Flat characteristic
One-half the height of chimney
Equal to the height of chimney
Two times the height of chimney
Four times the height of chimney
The efficiency of steam turbines is greater than steam engines
A flywheel is a must for steam turbine
The turbine blades do not change the direction of steam issuing from the nozzle
The pressure of steam, in reaction turbines, is increased in fixed blades as well as in moving blades
Heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum
Water is supplied in drum and through down comers located in atmospheric condition it passes to the water wall and rises to drum in the form of mixture of water and steam
Feed pump is employed to supplement natural circulation in water wall type furnace
Water is converted into steam in one pass without any recirculation
0°C
40°C
60°C
100°C
Induced draft fan and chimney
Induced draft fan and forced draft fan
Forced draft fan and chimney
Any one of the above
There is a pressure drop in the nozzle
Fluid flows through the nozzle
Pressure drops and fluid flows through the nozzle
There is no pressure drop and fluid does not flow through the nozzle
Ratio of thermal efficiency to the Rankine efficiency
Ratio of brake power to the indicated power
Ratio of heat equivalent to indicated power to the energy supplied in steam
Product of thermal efficiency and Rankine efficiency
0.5 to 10 MN/m²
1 to 15 MN/m²
2.5 to 15 MN/m²
3.5 to 20 MN/m²
0.1
0.3
0.5
0.8
Condenser
Condensate pump
Air extraction pump
All of these
1.02 to 1.06
1.08 to 1.10
1.2 to 1.6
1.6 to 2