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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The performance of a boiler is measured by the

Steam produced in kg/kg of fuel burnt
Amount of water evaporated per hour
All of the listed here
Steam produced in kg/h

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Steam Boilers, Engines, Nozzles and Turbines
A device used to increase the temperature of saturated steam without raising its pressure, is called

Blow off cock
Stop valve
Superheater
Fusible plug

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

Pressure and dryness fraction
Dryness fraction only
Pressure only
Temperature only

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Steam Boilers, Engines, Nozzles and Turbines
The shell diameter and length of locomotive boiler are

1 m, 4 m
1.5 m, 6 m
2 m, 4 m
1.5 m, 4 m

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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
The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as

Equivalent evaporation
Factor of evaporation
Power of a boiler
Boiler efficiency

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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