30 MW
60 MW
100 MW
500 MW
D. 500 MW
0.1
0.3
0.5
0.8
Increases
Decreases
Does not effect
None of these
Equivalent evaporation
Factor of evaporation
Boiler efficiency
Power of a boiler
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
High calorific value
Produce minimum smoke and gases
Ease in storing
High ignition point
Efficiency of the boiler
Efficiency of the chimney
Efficiency of the fan
Power of the boiler
0.18 MN/m²
1.8 MN/m²
18 MN/m²
180 MN/m²
Serve as storage of steam
Serve as storage of feed water for water wall
Remove salts from water
Separate steam from water
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
Induced draft fan
Smoke meter
Chimney
Precipitator
Initial pressure and superheat
Exit pressure
Turbine stage efficiency
All of these
Velocity of steam
Specific volume of steam
Dryness fraction of steam
All of these
Has no effect on
Decreases
Increases
None of these
Pressure alone
Temperature alone
Pressure and temperature
Pressure and dryness fraction
Steam jet
Centrifugal fan
Chimney
Both (A) and (B)
Vertical fire tube type
Horizontal fire tube type
Horizontal water tube type
Forced circulation type
1.05
2.86
6.65
10.05
Provide air around burners for obtaining optimum combustion
Transport and dry the coal
Cool the scanners
Convert CO (formed in lower zone of furnace) into CO₂ at higher zone.
1 m
1.5 m
2 m
2.5 m
High burning rate is possible
Heat release can be easily controlled
Fuel burns economically
It is the best technique for burning high ash content fuel having low fusion ash
Mechanical fan
Chimney
A steam jet
All of these
Increased work output per unit mass of steam
Decreased work output per unit mass of steam
Increased thermal efficiency
Decreased work output per unit mass of steam as well as increased thermal efficiency
Evaporative capacity
Factor of evaporation
Equivalent evaporation
One boiler h.p.
Lamont boiler
Benson boiler
Loeffler boiler
All of these
Mean diameter and thickness
Inside diameter and thickness
Outside diameter and thickness
Outside diameter and inside diameter
Condenser
Condensate pump
Air extraction pump
All of these
2 to 4.5 m
3 to 5 m
5 to 7.5 m
7 to 9 m
Heat drop in fixed blades to the heat drop in moving blades
Heat drop in moving blades to the heat drop in fixed blades
Heat drop in moving blades to the heat drop in fixed blades plus heat drop in moving blades
Heat drop in fixed blades plus heat drop in moving blades to the heat drop in moving blades
Simple impulse turbine
Simple reaction turbine
Impulse-reaction turbine
None of these