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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The amount of water evaporated in kg per kg of fuel burnt is called

None of these
Evaporative capacity of a boiler
Boiler efficiency
Equivalent evaporation from and at 100° C

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Steam Boilers, Engines, Nozzles and Turbines
Water and sediment in fuel oil can be removed by

Suspension
Cooling the oil in the settling tanks
Heating the oil in the settling tanks
Burning the oil

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Steam Boilers, Engines, Nozzles and Turbines
The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop

Is unpredictable
Increases
Remains the same
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
The steam enters the nozzle at a

High pressure and a high velocity
Low pressure and a low velocity
Low pressure and a high velocity
High pressure and a low velocity

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Steam Boilers, Engines, Nozzles and Turbines
Bomb calorimeter is used to determine

Higher calorific value at constant pressure
Lower calorific value at constant volume
Lower calorific value at constant pressure
Higher calorific value at constant volume

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Steam Boilers, Engines, Nozzles and Turbines
The basic job of feed water treatment in boilers is to overcome the problem of

All of these
Scale
Carryover
Corrosion

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