Related Questions

The capacity of induced draft fan compared to forced draft fan in a boiler is
A Same
B More
C Less
D Less or more depending on size of boiler
The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system.
A Pulverised fuel
B Travelling grate stoker firing
C Circulating fluidised bed
D Fluidised bed
Very high pressure boilers are usually __________ boilers.
A Fire tube
B Water tube
C Waste heat
D Natural circulation
The blades of a centrifugal impeller are said to be curved forward, if the __________ of the motion of impeller blades.
A Inlet tip of a blade curves in a direction opposite to that
B Outlet tip of a blade curves in a direction opposite to that
C Inlet tip of a blade is towards the direction
D Outlet tip of a blade is towards the direction
The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the
A Fuel cost per unit power generated is less
B Thermal efficiency of the former is higher
C Maintenance cost of the former is less
D None of these
The ratio of the workdone on the blades to the energy supplied to the blades, is called
A Blading efficiency
B Nozzle efficiency
C Gross or stage efficiency
D Mechanical efficiency
The main advantage of forced draft over natural draft is that
A Combustion of fuel is complete
B Smaller height chimney can be used
C Furnace control is easier
D All of the above
The efficiency of a nuclear power plant in comparison to a conventional thermal power plant is
A Same
B More
C Less
D May be less or mote depending on size
Thermal efficiency of a thermal power plant is of the order of
A 15%
B 20%
C 30%
D 45%
Power requirement of fans having constant wheel diameter varies __________ fan speed.
A As square of
B Directly as
C As cube of
D None of these

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