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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The discharge is __________ at critical pressure.

Maximum
None of these
Minimum
Zero

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Steam Boilers, Engines, Nozzles and Turbines
The basic purpose of drum in boiler is to

Serve as storage of feed water for water wall
Serve as storage of steam
Separate steam from water
Remove salts from water

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Steam Boilers, Engines, Nozzles and Turbines
Orsat meter is used for

Measuring smoke density of flue gases
Gravimetric analysis of the flue gases
Mass flow of the flue gases
Volumetric analysis of the flue gases

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Steam Boilers, Engines, Nozzles and Turbines
Hygrometry deals with the

Water vapor in air
Pressure of air
Hygroscopic substances
Temperature of air

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of brake power to the indicated power is known as

Overall efficiency
Indicated thermal efficiency
Mechanical efficiency
Brake thermal efficiency

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of cylindrical shell of the Lancashire boiler is of the order of

1 to 1.25 m
2 to 4 m
1.75 to 2.75 m
1 to 1.75 m

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