1 to 1.25m
1 to 1.75 m
2 to 4 m
1.75 to 2.75 m.
D. 1.75 to 2.75 m.
Equal to
Less than
Higher than
None of these
Area of the actual indicator diagram to the area of theoretical indicator diagram
Actual workdone per stroke to the theoretical workdone per stroke
Actual mean effective pressure to the theoretical mean effective pressure
Any one of the above
More
Less
Equal
None of these
Simple impulse turbine
Simple reaction turbine
Impulse-reaction turbine
None of these
Choked
Under-damping
Over-damping
None of these
Cement industry
Thermal power plant
Blast furnace
Domestic use
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
None of these
Have common piston rod
Are set at 90°
Have separate piston rods
Are set in V-arrangement
Blow off cock
Fusible plug
Superheater
Stop valve
Frictional losses
It is not possible to achieve 0°K temperature
Leakage
Non availability of ideal substance
α₁ = α₂ and β₁ = β₂
α₁ = β₁ and α₂= β₂
α₁ < β₁ and α₂ > β₂
α₁ = β₂ and β₁ = α₂
Before the economiser
Before the superheater
Between the economiser and chimney
None of these
5 to 6 m
6 to 7 m
7.25 to 9 m
9 to 10 m
160/3 m/s
320/3 m/s
640/3 m/s
640 m/s
Lamont boiler
Benson boiler
Loeffler boiler
All of these
Boiler efficiency, turbine efficiency, generator efficiency
All the three above plus gas cycle efficiency
Carnot cycle efficiency
Regenerative cycle efficiency
0.528
0.546
0.577
0.582
Correct fuel air ratio
Proper ignition temperature
O₂ to support combustion
All the three above
Various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as percents by volume
Various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as percents by weight
Fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash
Fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash
Climatic conditions
Temperature of furnace gases
Height of chimney
All of these
Horizontal
Vertical
Inclined
None of these
Blades are equiangular
Blade velocity coefficient is unity
Blades are equiangular and frictionless
Blade solidity is 0.65
Piston rod
Connecting rod
Eccentric rod
Valve rod
48 : 20 : 15 : 7 : 10
10 : 7 : 15 : 20 : 48
20 : 48 : 7 : 15 : 10
7 : 15 : 20 : 10 : 48
Initial conditions of steam
Back pressure
Initial pressure of steam
All of these
Steam condenser
Steam boiler
Steam preheater
Economiser
Condenser efficiency
Vacuum efficiency
Nozzle efficiency
Boiler efficiency
Condenser
Condensate pump
Air extraction pump
All of these
More
Equal
Less
Could be more or less depending on the size of plant
Initial pressure and superheat
Exit pressure
Turbine stage efficiency
All of these