Which is not correct statement about the function of furnace?

Which is not correct statement about the function of furnace?
separate ash from coal
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maintain heat supply to prepare and ignite the incoming fuel
mix fuel with air and ignite
to provide proper conditions for con-tinuous complete combustion

Which is not correct statement about pulverised fuel firing ?

Which is not correct statement about pulverised fuel firing ?
it is the best technique for burning high ash content fuel having low fusion ash
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fuel burns economically
heat release can be easily controlled
high burning rate is possible

Pick up wrong statement about desired properties of a good fuel?

Pick up wrong statement about desired properties of a good fuel?
high ignition point
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ease in storing
produce minimum smoke and gases
high calorific value

Thermal efficiency of a thermal power plant is of the order of?

Thermal efficiency of a thermal power plant is of the order of?
0.3
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0.2
0.15
0.45

The radius of a dished head is taken approximately as?

The radius of a dished head is taken approximately as?
one
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two
half
one-fourth

In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from engine?

In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from engine?
locomotive boiler
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Lancashire boiler
Babcock and Wilcox boiler
Cochran boiler

With increase in load, convection superheater has?

With increase in load, convection superheater has?
rising characteristic
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flat characteristic
linear characterisstic
drooping characteristic

Vacuum for reciprocating steam engines compared to steam turbines is?

Vacuum for reciprocating steam engines compared to steam turbines is?
less
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could be more or less depending on the size of plant
equal
more

In locomotives, the draught is produced by?

In locomotives, the draught is produced by?
steam jet draught
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chimney
induced draft fan
None of the Option is Correct

Which device is used in thermal power plants to reduce level of pollution?

Which device is used in thermal power plants to reduce level of pollution?
precipitator
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chimney
smoke meter
induced draft fan
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