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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The reheat factor depends upon

Exit pressure
Initial pressure and superheat
All of these
Turbine stage efficiency

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Steam Boilers, Engines, Nozzles and Turbines
There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called

Cushion steam
Superheated steam
Saturated steam
Wet steam

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Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler varies from

5 to 7.5 m
7 to 9 m
3 to 5 m
2 to 4.5 m

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Steam Boilers, Engines, Nozzles and Turbines
The selection of type and size of a steam boiler depends upon

The fuel and water available
All of these
The geographical position of the power house
The power required and working pressure

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Steam Boilers, Engines, Nozzles and Turbines
The pressure of steam __________ while flowing through a nozzle.

None of these
Decreases
Remains constant
Increases

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Steam Boilers, Engines, Nozzles and Turbines
The shell of the Cochran boiler is made hemispherical

To withstand the pressure of steam inside the boiler
None of these
Both (A) and (B)
To give maximum space and strength

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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