421 kg.m
421 kg.m
539 kg.m
102 kg.m
A. 421 kg.m
0.546
0.577
0.582
0.601
Same
Less
More
None of these
One
Two
One steam drum and one water drum
No drum
Stationary fire tube boiler
Stationary water tube boiler
Water tube boiler with natural/forced circulation
Mobile fire tube boiler
0.2
0.8
1.0
0.6
Centrifugal pump
Axial flow pump
Gear pump
Reciprocating pump
Equals that of the surroundings
Equals 760 mm of mercury
Equals to atmospheric pressure
Equals the pressure of water in the container
Diverge from left to right
Diverge from right to left
Are equally spaced throughout
First rise up and then fall
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
Cut-off ratio
Expansion ratio
Clearance ratio
None of these
The expansion of steam in a nozzle follows Rankine cycle.
The friction in the nozzle increases the dryness fraction of steam.
The pressure of steam at throat is called critical pressure.
All of the above
Last superheater or reheater and air preheater
Induced draft fan and forced draft fan
Air preheater and chimney
None of the above
Equal to
Less than
More than
None of these
To provide reciprocating motion to the slide valve
To convert reciprocating motion of the piston into rotary motion of the crank
To convert rotary motion of the crankshaft into to and fro motion of the valve rod
To provide simple harmonic motion to the D-slide valve
A steam turbine develops higher speeds
The efficiency of steam turbine is higher
The steam consumption is less
All of these
Steam turbine
Steam condenser
Mercury boiler
All of these
Essentially an isentropic process
Non-heat transfer process
Reversible process
Constant temperature process
Velocity of steam
Specific volume of steam
Dryness fraction of steam
All of these
1/(I.P)
1/(I.P)²
I.P.
(I.P.)²
Increases
Decreases
Does not effect
None of these
Zero
Minimum
Maximum
None of these
Indicated power
Brake power
Efficiency
Pressure of steam
Static
Dynamic
Static and dynamic
Neither static nor dynamic
Drooping characteristic
Linear characteristic
Rising characteristic
Flat characteristic
Large marine propulsion
Electric power generation
Direct drive of fans, compressors, pumps
All of these
Diagram efficiency
Nozzle efficiency
Gross efficiency
None of these
Desirable
Economical
Essential
Uneconomical
40 percent
50 percent
60 percent
70 percent
1 to 2 m
1.25 to 2.25 m
1.5 to 2.5 m
1.75 to 2.75 m
More
Less
Equal
None of these