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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The balanced draft furnace is one using

Induced draft fan and chimney
Any one of the above
Induced draft fan and forced draft fan
Forced draft fan and chimney

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Steam Boilers, Engines, Nozzles and Turbines
The increase in pressure

Lowers the boiling point of a liquid
Does not affects the boiling point of a liquid
Raises the boiling point of a liquid
Reduces its volume

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Steam Boilers, Engines, Nozzles and Turbines
The value of the reheat factor varies from

1.02 to 1.06
1.2 to 1.6
1.08 to 1.10
1.6 to 2

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Steam Boilers, Engines, Nozzles and Turbines
Water at pressure of 4 kg/cm² and 160°C temperature when exposed to atmosphere will

Cool down
Boil
Remain as it was
Flash i.e. get converted into steam

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Steam Boilers, Engines, Nozzles and Turbines
For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has

Less heating surface
Equal heating surface
More heating surface
Heating surface depends on other parameters

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Steam Boilers, Engines, Nozzles and Turbines
Benson boiler requires

No drum
One drum
Three drums
Two drums

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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