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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The best suited coal for chain or traveling grate stoker boiler is

Non-coking or free burning coal
Pulverized coal
High sulphur coal
Coking coal

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Steam Boilers, Engines, Nozzles and Turbines
A steam nozzle converts

Heat energy of steam into potential energy
Potential energy into heat energy of steam
Kinetic energy into heat energy of steam
Heat energy of steam into kinetic energy

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of heat equivalent to brake power to the energy supplied in steam is known as

Overall efficiency
Brake thermal efficiency
Mechanical efficiency
Indicated thermal efficiency

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Steam Boilers, Engines, Nozzles and Turbines
The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure.

Less than
None of these
Equal to
Higher than

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

31 mm
13 mm
230 mm
130 mm

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Steam Boilers, Engines, Nozzles and Turbines
Cut-off governing of steam engines is a method of controlling the engine output by varying

Temperature of intake steam
Volume of intake steam
All of these
Pressure of intake steam

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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