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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The critical pressure gives the velocity of steam at the throat

More than the velocity of sound
Equal to the velocity of sound
Less than the velocity of sound
None of these

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Steam Boilers, Engines, Nozzles and Turbines
A closed vessel made of steel and used for the generation of steam is called a

Steam boiler
Steam turbine
Steam condenser
Steam injector

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Steam Boilers, Engines, Nozzles and Turbines
Maximum energy loss in a boiler occurs due to

Unburnt carbon in ash
Flue gases
Incomplete combustion
Ash content

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Steam Boilers, Engines, Nozzles and Turbines
Cochran boiler is a

Horizontal water tube boiler
Vertical fire tube boiler
Vertical water tube boiler
Horizontal fire tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks

90° to each other
0° to each other
None of these
180° to each other

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Steam Boilers, Engines, Nozzles and Turbines
At very low temperature, the melting and boiling temperatures become equal. This temperature is

303°K
273.16°K
373°K
0°K

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