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Steam Boilers, Engines, Nozzles and Turbines

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

Equal
More
Less
None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
The function of injector used in small steam plants is to

Pump feed water
Create vacuum at turbine exhaust
Dose chemicals in feed water
Create vacuum in furnace

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is a fire tube boiler?

None of these
Lancashire boiler
Babcock and Wilcox boiler
Yarrow boiler

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Steam Boilers, Engines, Nozzles and Turbines
Willian’s line for the steam engine is a straight line relationship between the steam consumption per hour and

Pressure of steam
Efficiency
Indicated power
Brake power

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Steam Boilers, Engines, Nozzles and Turbines
The purpose of governing in steam turbines is to

Maintain the speed of the turbine
Completely balance against end thrust
Reduce the effective heat drop
Reheat the steam and improve its quality

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Steam Boilers, Engines, Nozzles and Turbines
The actual power generated in the engine cylinder is called

Brake power
Frictional power
Indicated power
None of these

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