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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In order to reduce the rotor speed of an impulse turbine, the method employed is

All of these
Velocity compounding
Pressure-velocity compounding
Pressure compounding

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Steam Boilers, Engines, Nozzles and Turbines
In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to

Water space also
Chimney
Superheater
Steam space

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Steam Boilers, Engines, Nozzles and Turbines
The diameter of superheated tubes in a locomotive boiler is

130 mm
13 mm
31 mm
230 mm

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

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

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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

Feed check valve
Pressure gauge
Injector
Feed pump

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

Nozzle efficiency
None of these
Diagram efficiency
Stage efficiency

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