Less efficient and less economical
Less efficient and more economical
More efficient and less economical
More efficient and more economical
D. More efficient and more economical
Multi tubular
Horizontal
Internally fired
All of the above
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
Volume of intake steam
Pressure of intake steam
Temperature of intake steam
All of these
Same
Less
More
None of these
Cut-off ratio
Expansion ratio
Clearance ratio
None of these
Cochran boiler
Cornish boiler
Lancashire boiler
Locomotive boiler
Steam jet
Centrifugal fan
Chimney
Both (A) and (B)
The steam is expanded in nozzles only and there is a pressure drop and heat drop
The steam is expanded both in fixed and moving blades continuously
The steam is expanded in moving blades only
The pressure and temperature of steam remains constant
I.P. = a × m + b
m = a + b × I.P.
I.P. = b × m + a
m = (b/I.P.) - a
Wet
Superheated
Remain dry saturated
Dry
13 mm
31 mm
130 mm
230 mm
Does not change
Increases
Decreases
None of these
Increases
Decreases
Remain unaffected
First increases and then decreases
Lever safety valve
Dead weight safety valve
High steam and low water safety valve
Spring loaded safety valve
Solid and vapour phases are in equilibrium
Solid and liquid phases are in equilibrium
Liquid and vapour phases are in equilibrium
Solid, liquid and vapour phases are in equilibrium
Blades are equiangular
Blade velocity coefficient is unity
Blades are equiangular and frictionless
Blade solidity is 0.65
Mechanical efficiency
Overall efficiency
Indicated thermal efficiency
Brake thermal efficiency
Equal to
Less than
Higher than
None of these
Infinitely long
Around 200 meters
Equal to the height of the hot gas column producing draught
Outside temperature is very low
Increases
Decreases
Does not effect
None of these
Cement industry
Thermal power plant
Blast furnace
Domestic use
Higher calorific value at constant volume
Lower calorific value at constant volume
Higher calorific value at constant pressure
Lower calorific value at constant pressure
Divergent nozzle
Convergent nozzle
Convergent-divergent nozzle
None of these
Have common piston rod
Are set at 90°
Have separate piston rod
Are set in V-arrangement
Corrosion
Scale
Carryover
All of the above
Less efficient and less economical
Less efficient and more economical
More efficient and less economical
More efficient and more economical
More
Equal
Less
Could be more or less depending on the size of plant
Pressure drop across the rotor
Change in axial velocity
Both (A) and (B)
None of these
Equal to
Twice
Three times
Four times
Horizontal
Vertical
Inclined
None of these