Lowers the boiling point of a liquid
Raises the boiling point of a liquid
Does not affects the boiling point of a liquid
Reduces its volume
B. Raises the boiling point of a liquid
Condenser efficiency
Vacuum efficiency
Nozzle efficiency
Boiler efficiency
Induced steam jet draught
Chimney draught
Forced steam jet draught
None of these
Form lumps or masses of coke
Burn freely
Show little or no fusing action
Burn completely
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
1 kg
4/3 kg
8/3 kg
2 kg
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
One half
One third
One fourth
One fifth
Unburnt carbon in ash
Incomplete combustion
Ash content
Flue gases
Horizontal
Vertical
Inclined
Both horizontal and vertical
Reheating of steam
Regenerative feed heating
Binary vapour plant
Any one of these
Choked
Under-damping
Over-damping
None of these
To provide an adequate supply of air for the fuel combustion
To exhaust the gases of combustion from the combustion chamber
To discharge the gases of combustion to the atmosphere through the chimney
All of the above
Lowers the boiling point of a liquid
Raises the boiling point of a liquid
Does not affects the boiling point of a liquid
Reduces its volume
Can be raised rapidly
Is raised at slower rate
Is raised at same rate
Could be raised at fast/slow rate depending on design
More heating surface
Less heating surface
Equal heating surface
Heating surface depends on other parameters
Superheat the steam
Reduce fuel consumption
Increase steam pressure
All of these
Supplied by same manufacturer loose and assembled at site
Supplied mounted on a single base
Purchased from several parties and packed together at site
Packaged boiler does not exist
Has high heating value
Retards electric precipitation
Promotes complete combustion
Has highly corrosive effect
Surface condenser
Jet condenser
Barometric condenser
Evaporative condenser
1.5 m, 4 m
1.5 m, 6 m
1 m, 4 m
2 m, 4 m
Diverge from left to right
Diverge from right to left
Are equally spaced throughout
First rise up and then fall
Single tube, horizontal, internally fired and stationary boiler
Single tube, vertical, externally fired and stationary boiler
Multi-tubular, horizontal, internally fired and mobile boiler
Multi-tubular, horizontal, externally fired and stationary boiler
Melting point rises slightly and boiling point drops markedly
Melting point rises markedly and boiling point drops markedly
Melting point drops slightly and boiling point drops markedly
Melting point drops slightly and boiling point drops slightly
Simple impulse turbine
Simple reaction turbine
Impulse-reaction turbine
None of these
Receiver type compound engine
Tandem type compound engine
Woolf type compound engine
Both (A) and (B)
Linearly
Rapidly first and then slowly
Slowly first and then rapidly
Inversely
Isothermal
Isentropic
Hyperbolic
Polytropic
Atmospheric temperature
500-600°C
700-850°C
950-1100°C
Higher value
Lower value
Same value
Any value
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