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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
An economiser in a boiler

Decreases fuel consumption
Increases steam flow
Increases steam pressure
Decreases steam pressure

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Steam Boilers, Engines, Nozzles and Turbines
A binary vapor plant consists of

Steam condenser
Steam turbine
All of the listed here
Mercury boiler

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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

Pressure compounding
All of these
Velocity compounding
Pressure-velocity compounding

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

Gross efficiency
None of these
Nozzle efficiency
Diagram efficiency

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Steam Boilers, Engines, Nozzles and Turbines
For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler.

Less
More
Equal
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The numbers of fire tubes in a Cochran boiler are

225
75
115
165

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