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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle)

V = 44.72 K hd
V = 44.72 K hd
V = 44.72 K hd
V = 44.72 hd K

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

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Steam Boilers, Engines, Nozzles and Turbines
An economiser is installed in a boiler primarily to

Reduce fuel consumption
All of the listed here
Increase steam pressure
Superheat the steam

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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
The ratio of total useful heat drop to the total isentropic heat drop, is called

Rankine efficiency
None of these
Internal efficiency
Stage efficiency

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Steam Boilers, Engines, Nozzles and Turbines
A binary vapor plant consists of

Mercury boiler
Steam condenser
All of the listed here
Steam turbine

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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