All the fuel burns instantaneously producing high energy release
Fuel burns with less air
Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal
Explosion in furnace
C. Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal
Diverge from left to right
Diverge from right to left
Are equally spaced throughout
First rise up and then fall
Enthalpy
Superheating
Super saturation
Latent heat
CO₂
CO
O₂
N₂
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
Velocity compounded type
Reaction type
Pressure compounded type
All of these
Side by side and each cylinder has common piston, connecting rod and crank
Side by side and each cylinder has separate piston, connecting rod and crank
At 90° and each cylinder has common piston, connecting rod and crank
At 90° and each cylinder has separate piston, connecting rod and crank
To convert reciprocating motion of the piston into rotary motion
To convert rotary motion of the crankshaft into to and fro motion of the valve rod
To prevent fluctuation of speed
To keep the engine speed uniform at all load conditions
100 bar
150 bar
200 bar
250 bar
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
Heating the oil in the settling tanks
Cooling the oil in the settling tanks
Burning the oil
Suspension
Steam jet
Centrifugal fan
Chimney
Both (A) and (B)
Absolute velocity at the inlet of moving blade is equal to that at the outlet
Relative velocity at the inlet of the moving blade is equal to that at the outlet
Axial velocity at inlet is equal to that at the outlet
Whirl velocity at inlet is equal to that at the outlet
Less efficient and less economical
Less efficient and more economical
More efficient and less economical
More efficient and more economical
Static
Dynamic
Static and dynamic
Neither static nor dynamic
Increases
Decreases
Remain unaffected
First increases and then decreases
0.007 bar
0.053 bar
0.06 bar
0.067 bar
Work done during the Rankine cycle
Work done during compression
Work done during adiabatic expansion
Change in enthalpy
100 kg/cm² and 540°C
1 kg/cm² and 100°C
218 kg/cm² abs and 373°C
218 kg/cm² abs and 540°C
Carnot cycle
Rankine cycle
Joule cycle
Stirling cycle
Boiler efficiency, turbine efficiency, generator efficiency
All the three above plus gas cycle efficiency
Carnot cycle efficiency
Regenerative cycle efficiency
Former is fire tube type and latter is water tube type boiler
Former is water tube type and latter is fire tube type
Former contains one fire tube and latter contains two fire tubes
None/of the above
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
Non-coking bituminous coal
Brown coal
Pulverised coal
Coking bituminous coal
Flue gases pass through tubes and water around it
Water passes through the tubes and flue gases around it
Forced circulation takes place
Tubes are laid vertically
One
Two
One steam drum and one water drum
No drum
Swept volume to the volume at cut-off
Volume at cut-off to the clearance volume
Volume at cut-off to the swept volume
Clearance volume to the volume at cut-off
Initial pressure and superheat
Exit pressure
Turbine stage efficiency
All of these
Back pressure turbine
Pass out turbine
Low pressure turbine
Impulse turbine
40 %
25 %
50 %
80 %
Boil
Flash i.e. get converted into steam
Remain as it was
Cool down