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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages.

Less
None of these
Same
More

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Steam Boilers, Engines, Nozzles and Turbines
De-Laval turbines are mostly used

For small power purposes and high speeds
For small power purposes and low speeds
Where low speeds are required
For large power purposes

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

Velocity compounding
Pressure compounding
All of these
Pressure-velocity compounding

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Steam Boilers, Engines, Nozzles and Turbines
Hygrometry deals with the

Temperature of air
Water vapor in air
Pressure of air
Hygroscopic substances

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Steam Boilers, Engines, Nozzles and Turbines
Hard coke is produced by carburization of coal at

Atmospheric temperature
950-1100°C
700-850°C
500-600°C

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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

None of these
Bleeding
Reheating
Governing

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