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Steam Boilers, Engines, Nozzles and Turbines

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

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

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the actual vacuum to the ideal vacuum in a condenser is called

Nozzle efficiency
Condenser efficiency
Vacuum efficiency
Boiler efficiency

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Steam Boilers, Engines, Nozzles and Turbines
A wet vapor can be completely specified by

Dryness fraction only
Temperature only
Pressure only
Pressure and dryness fraction

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Steam Boilers, Engines, Nozzles and Turbines
The water tubes in a Babcock and Wilcox boiler are

Horizontal
Vertical
Inclined
Horizontal and inclined

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Steam Boilers, Engines, Nozzles and Turbines
The maximum discharge through a chimney occurs when the height of chimney is

Outside temperature is very low
Around 200 meters
Equal to the height of the hot gas column producing draught
Infinitely long

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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