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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The ratio of the isentropic heat drop to the heat supplied, is called

Rankine efficiency
Internal efficiency
Stage efficiency
Reheat factor

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is a

Mobile fire tube boiler
Stationary water tube boiler
Stationary fire tube boiler
Water tube boiler with natural/forced circulation

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Steam Boilers, Engines, Nozzles and Turbines
The compounding of turbines is done in order to

Improve efficiency
Reduce exit losses
Reduce speed of rotor
All of these

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Steam Boilers, Engines, Nozzles and Turbines
Pulverized fuel is used for

More calorific value
Medium sized units
Less radiation loss
Better burning

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Steam Boilers, Engines, Nozzles and Turbines
Heating of dry steam above saturation temperature is known as

Enthalpy
Latent heat
Superheating
Super saturation

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Steam Boilers, Engines, Nozzles and Turbines
The function of injector used in small steam plants is to

Create vacuum in furnace
Dose chemicals in feed water
Create vacuum at turbine exhaust
Pump feed water

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