The maximum heat loss is a boiler occurs due to

Steam Boilers, Engines, Nozzles and Turbines
The maximum heat loss is a boiler occurs due to

Dry flue gases

Unburnt carbon

Moisture in fuel

Steam formation

Dry flue gases

Unburnt carbon

Moisture in fuel

Steam formation

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Steam Boilers, Engines, Nozzles and Turbines
One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is

0.2

0.8

0.6

1

0.2

0.8

0.6

1

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Steam Boilers, Engines, Nozzles and Turbines
If the critical pressure ratio for steam is 0.546, then the steam is initially

None of these

Wet steam

Superheated steam

Dry saturated steam

None of these

Wet steam

Superheated steam

Dry saturated steam

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Steam Boilers, Engines, Nozzles and Turbines
Spontaneous combustion is a phenomenon in which

All the fuel burns instantaneously producing high energy release

Explosion in furnace

Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal

Fuel burns with less air

All the fuel burns instantaneously producing high energy release

Explosion in furnace

Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal

Fuel burns with less air

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Steam Boilers, Engines, Nozzles and Turbines
The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as

Injector

Feed pump

Feed check valve

Pressure gauge

Injector

Feed pump

Feed check valve

Pressure gauge

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

Give maximum space

Give maximum strength

Resist intense heat in fire box

Withstand pressure inside boiler

Give maximum space

Give maximum strength

Resist intense heat in fire box

Withstand pressure inside boiler

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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to

Steam Boilers, Engines, Nozzles and Turbines One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is

Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially

Steam Boilers, Engines, Nozzles and Turbines Spontaneous combustion is a phenomenon in which

Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as

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

Steam Boilers, Engines, Nozzles and Turbines
The maximum heat loss is a boiler occurs due to

Steam Boilers, Engines, Nozzles and Turbines
One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is

Steam Boilers, Engines, Nozzles and Turbines
If the critical pressure ratio for steam is 0.546, then the steam is initially

Steam Boilers, Engines, Nozzles and Turbines
Spontaneous combustion is a phenomenon in which

Steam Boilers, Engines, Nozzles and Turbines
The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as

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