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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler works on a forced circulation of water?

Loeffler boiler
All of these
Benson boiler
Lamont boiler

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Steam Boilers, Engines, Nozzles and Turbines
An economiser _________ the steam raising capacity of a boiler.

None of these
Increases
Has no effect on
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
The shell diameter of a Locomotive boiler is

2.5 m
1 m
2 m
1.5 m

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Steam Boilers, Engines, Nozzles and Turbines
Stage efficiency is also known as

None of these
Diagram efficiency
Nozzle efficiency
Gross efficiency

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Steam Boilers, Engines, Nozzles and Turbines
Heating of dry steam above saturation temperature is known as

Super saturation
Enthalpy
Latent heat
Superheating

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Steam Boilers, Engines, Nozzles and Turbines
For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has

Equal heating surface
Heating surface depends on other parameters
Less heating surface
More heating surface

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