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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A condenser in a steam power plant

All of these
Increases expansion ratio of steam
Reduces back pressure of steam
Reduces temperature of exhaust steam

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

Steam condenser
Mercury boiler
Steam turbine
All of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as

Efficiency of the boiler
Power of the boiler
Efficiency of the fan
Efficiency of the chimney

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Steam Boilers, Engines, Nozzles and Turbines
The crown of the fire box is made hemispherical in order to

Give maximum strength
Give maximum space
Withstand pressure inside boiler
Resist intense heat in fire box

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

Inject chemical solution in feed pump
Pump water, similar to boiler feed pump
Add make up water in the system
Create vacuum

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

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

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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