40 %
25 %
50 %
80 %
D. 80 %
Economiser
Superheater
Both (A) and (B)
None of these
225.65 kgf/ cm²
273 kgf/ cm²
100 kgf/ cm²
1 kgf/ cm²
0°C
40°C
60°C
100°C
Equals that of the surroundings
Equals 760 mm of mercury
Equals to atmospheric pressure
Equals the pressure of water in the container
Heating the oil in the settling tanks
Cooling the oil in the settling tanks
Burning the oil
Suspension
Remains same
Decreases
Increases
None of these
(p₂/p₁) = [2/(n - 1)] n/(n + 1)
(p₂/p₁) = [2/(n + 1)] n/(n-1)
(p₂/p₁) = [(n - 1)/2] n + (1/n)
(p₂/p₁) = [(n + 1)/2] n - (1/n)
75
115
165
225
Vb = 0.5 V cosα
Vb = V cos α
Vb = 0.5 V² cosα
Vb = V² cosα
Desirable
Economical
Essential
Uneconomical
Same
Less
More
None of these
3.3 bar
5.46 bar
8.2 bar
9.9 bar
Horizontal straight line
Vertical straight line
Straight inclined line
Curved line
Multi tubular
Horizontal
Internally fired
All of the above
Induced draft fan
Smoke meter
Chimney
Precipitator
Babcock and Wilcox
Locomotive
Lancashire
Cochran
Heat energy of steam into kinetic energy
Kinetic energy into heat energy of steam
Heat energy of steam into potential energy
Potential energy into heat energy of steam
Bismuth
Copper
Aluminium
Nickel
Higher value
Lower value
Same value
Any value
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
The expansion of steam in a nozzle follows Rankine cycle.
The friction in the nozzle increases the dryness fraction of steam.
The pressure of steam at throat is called critical pressure.
All of the above
The power required and working pressure
The geographical position of the power house
The fuel and water available
All of the above
Pressure alone
Temperature alone
Pressure and temperature
Pressure and dryness fraction
Wet
Superheated
Remain dry saturated
Dry
High pressure and a low velocity
High pressure and a high velocity
Low pressure and a low velocity
Low pressure and a high velocity
Create vacuum
Inject chemical solution in feed pump
Pump water, similar to boiler feed pump
Add make up water in the system
Drooping characteristic
Linear characteristic
Rising characteristic
Flat characteristic
Locomotive boiler
Cochran boiler
Cornish boiler
Babcock and Wilcox boiler
Prevent the bulging of flat surfaces
Avoid explosion in furnace
Prevent leakage of hot flue gases
Support furnace freely from top
Have common piston rod
Are set at 90°
Have separate piston rod
Are set in V-arrangement