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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
One kilowatt-hour energy is equivalent to

3600 kW/sec
3600 kJ
1000 J
360 kJ

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Steam Boilers, Engines, Nozzles and Turbines
The actual power generated in the engine cylinder is called

Frictional power
Indicated power
Brake power
None of these

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Steam Boilers, Engines, Nozzles and Turbines
Sublimation region is the region where

Solid and vapor phases are in equilibrium
Solid, liquid and vapor phases are in equilibrium
Solid and liquid phases are in equilibrium
Liquid and vapor phases are in equilibrium

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Steam Boilers, Engines, Nozzles and Turbines
For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is

2 kg
8/3 kg
1 kg
4/3 kg

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Steam Boilers, Engines, Nozzles and Turbines
The variation of steam pressure in the nozzle depends upon

Dryness fraction of steam
Velocity of steam
All of these
Specific volume of steam

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Steam Boilers, Engines, Nozzles and Turbines
Heating wet steam at constant temperature is heating it at constant

Enthalpy
Volume
Pressure
Entropy

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