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Steam Boilers, Engines, Nozzles and Turbines

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

Smoke meter
Chimney
Induced draft fan
Precipitator

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Steam Boilers, Engines, Nozzles and Turbines
Throttle governing of steam engines is a method of controlling the engine output by varying

Volume of intake steam
Temperature of intake steam
Pressure of intake steam
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The cylinder condensation or missing quantity may be reduced by

Keeping the expansion ratio small in each cylinder
The efficient steam jacketing of the cylinder walls
All of these
Superheating the steam supplied to the engine cylinder

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Steam Boilers, Engines, Nozzles and Turbines
The bituminous coal is no caking if its carbon content is

81-85%
78-81%
85-90%
90-95%

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Steam Boilers, Engines, Nozzles and Turbines
The average value of diagram factor lies between

0.5 to 0.65
0.2 to 0.5
0.8 to 1.2
0.65 to 0.9

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Steam Boilers, Engines, Nozzles and Turbines
Expansion ratio is the ratio of

Clearance volume to the swept volume
Swept volume to the clearance volume
Swept volume to the volume at cut-off
Volume at cut-off to the swept volume

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