Maximum
Minimum
Zero
Depends on temperature also
C. Zero
Equal to Carnot cycle
Less than Carnot cycle
More than Carnot cycle
Could be anything
Reheat factor
Stage efficiency
Internal efficiency
Rankine efficiency
Steam condenser
Steam boiler
Steam preheater
Economiser
180° to each other
90° to each other
0° to each other
None of these
Ratio of thermal efficiency to the Rankine efficiency
Ratio of brake power to the indicated power
Ratio of heat equivalent to indicated power to the energy supplied in steam
Product of thermal efficiency and Rankine efficiency
78-81 %
81-85 %
85-90 %
90-95 %
One half
One third
One fourth
One fifth
To draw water
To circulate water
To drain off the water
All of these
Equal to unity
Less than unity
Greater than unity
None of these
The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft
The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft
The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft
The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft
Serve as storage of steam
Serve as storage of feed water for water wall
Remove salts from water
Separate steam from water
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
Vertical fire tube type
Horizontal fire tube type
Horizontal water tube type
Forced circulation type
Can be raised rapidly
Is raised at slower rate
Is raised at same rate
Could be raised at fast/slow rate depending on design
The ratio of heat actually used in producing the steam to the heat liberated in the furnace
The amount of water evaporated or steam produced in kg per kg of fuel burnt
The amount of water evaporated from and at 100°C into dry and saturated steam
The evaporation of 15.653 kg of water per hour from and at 100°C
pa = pm/K
pa = pm × K
pa = K/pm
pa = pm + K
Steam turbine
Steam condenser
Mercury boiler
All of these
Desirable
Economical
Essential
Uneconomical
Equal to
Less than
More than
None of these
Blow off cock
Stop valve
Superheater
None of these
Maximum
Minimum
Zero
Depends on temperature also
Corroding air heaters
Spontaneous combustion during coal storage
Facilitating ash precipitation
All of the above
Centrifugal pump
Axial flow pump
Gear pump
Reciprocating pump
Non-coking bituminous coal
Brown coal
Peat
None of the above
Blading efficiency
Nozzle efficiency
Stage efficiency
Mechanical efficiency
Wet steam
Saturated steam
Superheated steam
Cushion steam
100 tonnes/h
135 tonnes/h
175 tonnes/h
250 tonnes/h
Increases
Decreases
Does not effect
None of these
Remains the same
Increases
Decreases
Is unpredictable
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