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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A wet vapor can be completely specified by

Pressure only
Dryness fraction only
Pressure and dryness fraction
Temperature only

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Steam Boilers, Engines, Nozzles and Turbines
The expansion of steam in a nozzle follows

Rankine cycle
Joule cycle
Stirling cycle
Carnot cycle

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Steam Boilers, Engines, Nozzles and Turbines
The latent heat of steam with increase of pressure

Decreases
Increases
Behaves unpredictably
Remain same

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Steam Boilers, Engines, Nozzles and Turbines
Thermal efficiency of well maintained boiler will be of the order

0.5
0.4
0.75
0.9

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Steam Boilers, Engines, Nozzles and Turbines
Hard coke is used in

Blast furnace
Thermal power plant
Cement industry
Domestic use

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Steam Boilers, Engines, Nozzles and Turbines
The performance of a boiler is measured by the

Steam produced in kg/h
Steam produced in kg/kg of fuel burnt
Amount of water evaporated per hour
All of the listed here

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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