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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler is best suited to meet the fluctuating demand of steam?

Babcock and Wilcox boiler
Lancashire boiler
Cornish boiler
Locomotive boiler

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Steam Boilers, Engines, Nozzles and Turbines
In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is

High
Very low
Very high
Low

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

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

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The fusible plug in small boilers is located

Above steam dome
In the drum
Over the combustion chamber
In the fire tubes

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Steam Boilers, Engines, Nozzles and Turbines
If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by

Bucket calorimeter
Throttling calorimeter
Combined separating and throttling calorimeter
Separating calorimeter

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