Complete account of heat supplied by 1 kg of dry fuel and the heat consumed
Moisture present in the fuel
Steam formed by combustion of hydrogen per kg of fuel
All of the above
A. Complete account of heat supplied by 1 kg of dry fuel and the heat consumed
Direction of steam flow
Number of stages
Mode of steam action
All of these
When the cross-section of the nozzle increases continuously from entrance to exit
When the cross-section of the nozzle decreases continuously from entrance to exit
When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit
None of the 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
Workdone on the blades to the energy supplied to the blades
Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam
Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam
None of the above
Simple impulse turbine
Simple reaction turbine
Impulse-reaction turbine
None of these
Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler
Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler
Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes
Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube
Infinitely long
Around 200 meters
Equal to the height of the hot gas column producing draught
Outside temperature is very low
Serve as storage of steam
Serve as storage of feed water for water wall
Remove salts from water
Separate steam from water
Mechanical fan
Chimney
A steam jet
All of these
Chimney
Induced draft fan
Both combined (A) and (B)
Steam jet draught
Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required
Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler
Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit
Increase the temperature of saturated steam without raising its pressure
Non-coking bituminous coal
Brown coal
Peat
None of the above
180° to each other
90° to each other
0° to each other
None of these
Same value
Higher value
Lower value
Lower/higher depending on steam flow
Barometric pressure + actual pressure
Barometric pressure - actual pressure
Gauge pressure + atmospheric pressure
Gauge pressure - atmospheric pressure
21 %
23 %
30 %
40 %
Non-coking bituminous coal
Brown coal
Pulverised coal
Coking bituminous coal
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
Cornish is fire tube and Lancashire is water tube
Cornish is water tube and Lancashire is fire tube
Cornish has two fire tubes and Lancashire has one
Lancashire has two fire tubes and Cornish has one
Increases
Decreases
Remain unaffected
First increases and then decreases
0.4
0.56
0.67
1.67
Blading efficiency
Nozzle efficiency
Stage efficiency
Mechanical efficiency
Equal to
Twice
Three times
Four times
Horizontal
Vertical
Inclined
Horizontal and inclined
Water
Dry steam
Wet steam
Super heated steam
Induced steam jet draught
Chimney draught
Forced steam jet draught
None of these
373°K
273.16°K
303°K
0°K
Internally fired boiler
Externally fired boiler
Natural circulation boiler
Forced circulation boiler
0.17 MN/m²
1.7 MN/m²
17 MN/m²
170 MN/m²
Ratio of heat actually used in producing steam to the heat liberated in the furnace
Ratio of the mass of steam produced to the mass of total water supplied in a given time
Ratio of the heat liberated in the furnace to the heat actually used in producing steam
None of the above