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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Rateau turbine is

Pressure-velocity compounded turbine
Velocity compounded turbine
Simple reaction turbine
Pressure compounded turbine

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Steam Boilers, Engines, Nozzles and Turbines
The saturation temperature of steam with increase in pressure increases

Slowly first and then rapidly
Rapidly first and then slowly
Linearly
Inversely

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in, a Coarran and Scottish marine boiler are

Vertical
Inclined
Horizontal
Both horizontal and vertical

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Steam Boilers, Engines, Nozzles and Turbines
The effect of super-saturation is that the

Exit velocity of steam reduces
All of these
Entropy and specific volume of the steam increases
Mass of the steam discharged increases

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Steam Boilers, Engines, Nozzles and Turbines
A device used to increase the temperature of saturated steam without raising its pressure, is called

Fusible plug
Stop valve
Superheater
Blow off cock

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Steam Boilers, Engines, Nozzles and Turbines
Secondary air is the air used to

Transport and dry the coal
Convert CO (formed in lower zone of furnace) into CO₂ at higher zone
Air delivered by induced draft fan
Provide air around burners for obtaining optimum combustion

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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