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Steam Boilers, Engines, Nozzles and Turbines

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

Nozzle efficiency
Boiler efficiency
Condenser efficiency
Vacuum efficiency

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

Equal
Less
None of these
More

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Steam Boilers, Engines, Nozzles and Turbines
In an impulse turbine, steam expands

None of these
Wholly in blades
Partly in the nozzle and partly in blades
Wholly in nozzle

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Steam Boilers, Engines, Nozzles and Turbines
In a nozzle, whole frictional loss is assumed to occur between

Throat and exit
All of these
Inlet and throat
Inlet and outlet

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Steam Boilers, Engines, Nozzles and Turbines
The capacity of induced draft fan compared to forced draft fan in a boiler is

Less
Same
More
Less or more depending on size of boiler

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Steam Boilers, Engines, Nozzles and Turbines
The steam leaves the nozzle at a

Low pressure and a high velocity
High pressure and a low velocity
High pressure and a high velocity
Low pressure and a low velocity

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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