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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Steam turbines are used for

Direct drive of fans, compressors, pumps
All of these
Electric power generation
Large marine propulsion

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Steam Boilers, Engines, Nozzles and Turbines
The process of maintaining the speed of the turbine constant for various load conditions, is known as

Bleeding
Reheating
Governing
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler is of the order of

79 m
35 m
57.5 m
24 m

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Steam Boilers, Engines, Nozzles and Turbines
An air preheater

All of these
Enables low grade fuel to be burnt
Increases evaporative capacity of the boiler
Increases the efficiency of the boiler

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Steam Boilers, Engines, Nozzles and Turbines
Parson's turbine is a

Impulse-reaction turbine
None of these
Simple reaction turbine
Simple impulse turbine

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Steam Boilers, Engines, Nozzles and Turbines
The artificial draught is produced by

Both (A) and (B)
Steam jet
Chimney
Centrifugal fan

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