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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Curtis turbine is a

Pressure compounded turbine
Velocity compounded turbine
Pressure-velocity compounded turbine
Simple reaction turbine

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Steam Boilers, Engines, Nozzles and Turbines
Water boils when its vapor pressure

Equals the pressure of water in the container
Equals to atmospheric pressure
Equals that of the surroundings
Equals 760 mm of mercury

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Steam Boilers, Engines, Nozzles and Turbines
The difference of supersaturated temperature and saturation temperature at that pressure is called

Degree of superheat
None of the listed here
Degree of super-saturation
Degree of under-cooling

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Steam Boilers, Engines, Nozzles and Turbines
Reheating of steam under ideal conditions takes place at constant

Enthalpy
Temperature
Entropy
Pressure

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Steam Boilers, Engines, Nozzles and Turbines
In a nozzle, whole frictional loss is assumed to occur between

Inlet and throat
Inlet and outlet
All of these
Throat and exit

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Steam Boilers, Engines, Nozzles and Turbines
The factor of evaporation for all boilers is always

Less than unity
Equal to unity
None of these
Greater than unity

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