Mass of the steam discharged increases
Entropy and specific volume of the steam increases
Exit velocity of steam reduces
All of these
D. All of these
Wet
Superheated
Remain dry saturated
Dry
Internally fired
Externally fired
Internally as well as externally fired
None of these
Absolute velocity at the inlet of moving blade is equal to that at the outlet
Relative velocity at the inlet of the moving blade is equal to that at the outlet
Axial velocity at inlet is equal to that at the outlet
Whirl velocity at inlet is equal to that at the outlet
Essentially an isentropic process
Non-heat transfer process
Reversible process
Constant temperature process
Non-coking bituminous coal
Brown coal
Peat
None of the above
160/3 m/s
320/3 m/s
640/3 m/s
640 m/s
Fixed blades
Moving blades
Both fixed and moving blades
None of these
Clearance volume to the swept volume
Clearance volume to the volume at cut-off
Volume at cut-off to the swept volume
Swept volume to the clearance volume
Temperature, time, and turbulence
Total air, true fuel, and turbulence
Thorough mixing, total air and temperature
Total air, time, and temperature
CO₂
CO
O₂
N₂
Back pressure turbine
Pass out turbine
Low pressure turbine
Impulse turbine
Induced steam jet draught
Chimney draught
Forced steam jet draught
None of these
Pressure only
Temperature only
Dryness fraction only
Pressure and dryness fraction
Water
Dry steam
Wet steam
Super heated steam
Anthracite coal
Bituminous coal
Lignite
Peat
Has no effect on
Decreases
Increases
None of these
225.65 kgf/ cm²
273 kgf/ cm²
100 kgf/ cm²
1 kgf/ cm²
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
All the fuel burns instantaneously producing high energy release
Fuel burns with less air
Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal
Explosion in furnace
5 to 6 m
6 to 7 m
7.25 to 9 m
9 to 10 m
The power required and working pressure
The geographical position of the power house
The fuel and water available
All of the above
539 kcal/ kg
539 BTU/ lb
427 kcal/ kg
100 kcal/ kg
One
Two
Three
Four
0.2
0.8
1.0
0.6
Blading efficiency
Nozzle efficiency
Stage efficiency
Mechanical efficiency
2 to 4.5 m
3 to 5 m
5 to 7.5 m
7 to 9 m
DIN
BS
ASTM
IBR
Non-coking bituminous coal
Brown coal
Pulverised coal
Coking bituminous coal
Blow off cock
Fusible plug
Superheater
Stop valve
Cut-off ratio
Expansion ratio
Clearance ratio
None of these