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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Multi-stage steam turbines are of the

Reaction type
Pressure compounded type
Velocity compounded type
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as

Injector
Feed check valve
Pressure gauge
Feed pump

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Steam Boilers, Engines, Nozzles and Turbines
The increase in pressure

Reduces its volume
Raises the boiling point of a liquid
Lowers the boiling point of a liquid
Does not affects the boiling point of a liquid

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Steam Boilers, Engines, Nozzles and Turbines
A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as

Superheater
Economizer
Injector
Air-preheater

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the volume at cut-off to the swept volume is called

Cut-off ratio
None of these
Clearance ratio
Expansion ratio

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Steam Boilers, Engines, Nozzles and Turbines
The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ numbers of stages are required.

Less
Equal
None of the listed here
More

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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