Pressure alone
Temperature alone
Pressure and temperature
Pressure and dryness fraction
D. Pressure and dryness fraction
Lowest temperature at which oil will flow under set condition
Storage temperature
Temperature at which fuel is pumped through burners
Temperature at which oil is transported
Centrifugal pump
Axial flow pump
Gear pump
Reciprocating pump
9.81 Joules
102 Joules
427 Joules
None of these
Increases
Decreases
Remains unchanged
Increases/decreases depending on steam temperature requirements
Dry
Wet
Saturated
Supersaturated
Increases
Decreases
Remains constant
None of these
1 to 2 m
1.25 to 2.25 m
1.5 to 2.5 m
1.75 to 2.75 m
Receiver type
Tandem type
Woolf type
All of these
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
1.5 to 2 m
2.5 to 3.5 m
3.5 to 4.5 m
None of these
Remain same
Increases
Decreases
Behaves unpredictably
Where low speeds are required
For small power purposes and low speeds
For large power purposes
For small power purposes and high speeds
40 percent
50 percent
60 percent
70 percent
0°C
40°C
60°C
100°C
47.5 mm, 130 mm
32.5 mm, 180 mm
65.5 mm, 210 mm
24.5 mm, 65 mm
Create vacuum in furnace
Create vacuum at turbine exhaust
Pump feed water
Dose chemicals in feed water
More
Equal
Less
Could be more or less depending on the size of plant
Water passes through the tubes which are surrounded by flames and hot gases
The flames and hot gases pass through the tubes which are surrounded by water
Forced circulation takes place
None of these
Lancashire boiler is a fire tube boiler.
Fire tube boilers are internally fired.
Babcock and Wilcox boiler is a water tube boiler.
All of the above
Receiver type compound engine
Tandem type compound engine
Woolf type compound engine
Both (A) and (B)
56 %
63 %
74 %
78 %
Blading efficiency
Nozzle efficiency
Gross or stage efficiency
Mechanical efficiency
Slow speed engine
Vertical steam engine
Condensing steam engine
Non-condensing steam engine
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
Mass of the steam discharged increases
Entropy and specific volume of the steam increases
Exit velocity of steam reduces
All of these
Former is fire tube type and latter is water tube type boiler
Former is water tube type and latter is fire tube type
Former contains one fire tube and latter contains two fire tubes
None/of the above
Provide air around burners for obtaining optimum combustion
Transport and dry the coal
Convert CO (formed in lower zone of furnace) into CO₂ at higher zone
Air delivered by induced draft fan
No drum
One drum
Two drums
Three drums
Approach temperature should be as low as possible
Handling and maintenance should be easier
Heat transfer area should be optimum
Stack gases should not be cooled to the dew point
1.02 to 1.06
1.08 to 1.10
1.2 to 1.6
1.6 to 2