I.P. = a × m + b
m = a + b × I.P.
I.P. = b × m + a
m = (b/I.P.) - a
B. m = a + b × I.P.
50°C and normal atmospheric pressure
50°C and 1.1 bar pressure
100°C and normal atmospheric pressure
100°C and 1.1 bar pressure
High pressure and a low velocity
High pressure and a high velocity
Low pressure and a low velocity
Low pressure and a high velocity
kg of steam produced
Steam pressure produced
kg of fuel fired
kg of steam produced per kg of fuel fifed
More
Less
Equal
None of these
40 percent
50 percent
60 percent
70 percent
Stationary fire tube boiler
Internally fired boiler
Horizontal boiler
All of these
Induced steam jet draught
Chimney draught
Forced steam jet draught
None of these
Boiler drums
Superheater tubes
Economiser
A separate coil located in convection path.
Equal to
Less than
Greater than
None of these
Increases
Decreases
Remains unchanged
Increases/decreases depending on steam temperature requirements
Divergent nozzle
Convergent nozzle
Convergent-divergent nozzle
None of these
Condenser efficiency
Vacuum efficiency
Nozzle efficiency
Boiler efficiency
0.18 MN/m²
1.8 MN/m²
18 MN/m²
180 MN/m²
Fixed blades
Moving blades
Both fixed and moving blades
None of these
Increases evaporative capacity of the boiler
Increases the efficiency of the boiler
Enables low grade fuel to be burnt
All of the above
To give maximum space and strength
To withstand the pressure of steam inside the boiler
Both (A) and (B)
None of the above
Heat carried away by flue gases
Heat carried away by ash
Moisture present in fuel and steam formed by combustion of hydrogen in fuel
All of the above
Vb = 0.5 V cosα
Vb = V cos α
Vb = 0.5 V² cosα
Vb = V² cosα
Correct fuel air ratio
Proper ignition temperature
O₂ to support combustion
All the three above
Isothermal
Isentropic
Hyperbolic
Polytropic
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
None of these
Receiver type
Tandem type
Woolf type
All of these
1.5 m, 4 m
1.5 m, 6 m
1 m, 4 m
2 m, 4 m
1 m
1.5 m
2 m
2.5 m
Increases the mean effective pressure
Increases the workdone
Decreases the efficiency of the engine
All of these
At the entrance to the nozzle
At the throat of the nozzle
In the convergent portion of the nozzle
In the divergent portion of the nozzle
Drooping characteristic
Linear characteristic
Rising characteristic
Flat characteristic
Lamont boiler
Benson boiler
Loeffler boiler
All of these
One
Two
Three
Four
To draw water
To circulate water
To drain off the water
All of these