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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The saturation temperature of steam with increase in pressure increases

Inversely
Linearly
Rapidly first and then slowly
Slowly first and then rapidly

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Steam Boilers, Engines, Nozzles and Turbines
Which device is used in thermal power plants to reduce level of pollution?

Precipitator
Induced draft fan
Chimney
Smoke meter

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Steam Boilers, Engines, Nozzles and Turbines
In an impulse turbine, steam expands

None of these
Partly in the nozzle and partly in blades
Wholly in nozzle
Wholly in blades

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Steam Boilers, Engines, Nozzles and Turbines
Tertiary air is the air used to

Transport and dry the coal
Convert CO (formed in lower zone of furnace) into CO₂ at higher zone
Cool the scanners
Provide air around burners for obtaining optimum combustion

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Steam Boilers, Engines, Nozzles and Turbines
In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is

0.067 bar
0.053 bar
0.007 bar
0.06 bar

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following gases has the highest calorific value?

Coal gas
Water gas
Producer gas
Blast furnace gas

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