0.007 bar
0.053 bar
0.06 bar
0.067 bar
D. 0.067 bar
Volume
Pressure
Entropy
Enthalpy
Non-coking bituminous coal
Brown coal
Pulverised coal
Coking bituminous coal
Barometric pressure + actual pressure
Barometric pressure - actual pressure
Gauge pressure + atmospheric pressure
Gauge pressure - atmospheric pressure
Volume of intake steam
Pressure of intake steam
Temperature of intake steam
All of these
0.1
0.3
0.5
0.8
kg of steam produced
Steam pressure produced
kg of fuel fired
kg of steam produced per kg of fuel fifed
Better burning
More calorific value
Less radiation loss
Medium sized units
Higher effectiveness of boiler
High calorific value coal being burnt
Fouling of heat transfer surfaces
Raising of steam temperature
And its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm²
And its corresponding conversion into dry steam at desired boiler pressure
Conversion into steam at atmospheric condition
Conversion into steam at the same pressure at which feed water is supplied
Equal
Less
More
None of these
Higher value
Lower value
Same value
Any value
Equal to
Lower than
Higher than
None of these
Only moving blades
Only fixed blades
Identical fixed and moving blades
Fixed and moving blades of different shape
1 kg/cm
6 kg/cm
17 kg/cm²
100 kg/cm²
Dry
Wet
Saturated
Supersaturated
V = 44.72 hd K
V = 44.72 K hd
V = 44.72 K hd
V = 44.72 K hd
Former occupies less space for same power
Rate of steam flow is more in former case
Former is used for high installed capacity
Chances of explosion are less in former case.
Increases
Decreases
Remain same
None of these
To reduce the ratio of expansion in each cylinder
To reduce the length of stroke
To reduce the temperature range in each cylinder
All of the above
Horizontal
Vertical
Inclined
None of these
More
Less
Equal
None of these
Internally fired
Externally fired
Internally as well as externally fired
None of these
More
Less
Equal
May be more or less depending on capacity of reheater
The efficient steam jacketing of the cylinder walls
Superheating the steam supplied to the engine cylinder
Keeping the expansion ratio small in each cylinder
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
56 %
63 %
74 %
78 %
Equal to
Less than
More than
None of these
Water
Dry steam
Wet steam
Super heated steam
High pressure and a low velocity
High pressure and a high velocity
Low pressure and a low velocity
Low pressure and a high velocity
Water passes through the tubes which are surrounded by flames and hot gases
The flames and hot gases pass through the tubes which are surrounded by water
Forced circulation takes place
None of these