Steam jet
Centrifugal fan
Chimney
Both (A) and (B)
D. Both (A) and (B)
Work done during the Rankine cycle
Work done during compression
Work done during adiabatic expansion
Change in enthalpy
Horizontal
Vertical
Inclined
Horizontal and inclined
78-81 %
81-85 %
85-90 %
90-95 %
Decrease dryness fraction of steam
Decrease specific volume of steam
Increase the entropy
Increase the heat drop
Has high heating value
Retards electric precipitation
Promotes complete combustion
Has highly corrosive effect
More
Less
Equal
May be more or less depending on capacity of reheater
It increases the thermodynamic efficiency of the turbine
Boiler is supplied with hot water
It decreases the power developed by the turbine
All of the above
Blow off cock
Fusible plug
Superheater
Stop valve
Barometric pressure + actual pressure
Barometric pressure - actual pressure
Gauge pressure + atmospheric pressure
Gauge pressure - atmospheric pressure
Higher calorific value at constant volume
Lower calorific value at constant volume
Higher calorific value at constant pressure
Lower calorific value at constant pressure
Horizontal
Vertical
Inclined
None of these
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
The power required and working pressure
The geographical position of the power house
The fuel and water available
All of the above
Reheating of steam
Regenerative feed heating
Binary vapour plant
Any one of these
10 to 15 %
15 to 25 %
25 to 40 %
40 to 60 %
Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required
Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler
Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit
Increase the temperature of saturated steam without raising its pressure
Isothermal process
Isentropic process
Throttling process
Free expansion process
2 sin²α/(1 + sin²α)
2 cos²α/(1 + cos²α)
(1 + sin²α)/2 sin²α
(1 + cos²α)/2 cos²α
Infinitely long
Around 200 meters
Equal to the height of the hot gas column producing draught
Outside temperature is very low
Lamont boiler
Benson boiler
Loeffler boiler
All of these
Cumulative heat drop to the isentropic heat drop
Isentropic heat drop to the heat supplied
Total useful heat drop to the total isentropic heat drop
None of the above
0.546
0.577
0.582
0.601
1 m
1.5 m
2 m
2.5 m
Single rotor impulse turbine
Multi-rotor impulse turbine
Impulse reaction turbine
None of these
0.007 bar
0.053 bar
0.06 bar
0.067 bar
Blow off cock
Feed check valve
Economiser
Fusible plug
Regenerative heating
Reheating of steam
Bleeding
None of these
To convert reciprocating motion of the piston into rotary motion
To convert rotary motion of the crankshaft into to and fro motion of the valve rod
To prevent fluctuation of speed
To keep the engine speed uniform at all load conditions
Steam condenser
Steam boiler
Steam preheater
Economiser
Swept volume to the volume at cut-off
Volume at cut-off to the clearance volume
Volume at cut-off to the swept volume
Clearance volume to the volume at cut-off