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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Hard coke is used in

Domestic use
Cement industry
Blast furnace
Thermal power plant

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Steam Boilers, Engines, Nozzles and Turbines
The velocity of steam at throat of the nozzle is __________ the velocity of sound.

Less than
None of these
Equal to
More than

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Steam Boilers, Engines, Nozzles and Turbines
Fire tube boilers are

None of these
Internally fired
Internally as well as externally fired
Externally fired

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

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

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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

Indicated power
Pressure of steam
Efficiency
Brake power

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the volume at cut-off to the swept volume is called

Clearance ratio
None of these
Cut-off ratio
Expansion ratio

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