The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the

Steam Boilers, Engines, Nozzles and Turbines
The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the

Blades are equiangular and frictionless

Blade solidity is 0.65

Blade velocity coefficient is unity

Blades are equiangular

Blades are equiangular and frictionless

Blade solidity is 0.65

Blade velocity coefficient is unity

Blades are equiangular

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Steam Boilers, Engines, Nozzles and Turbines
Alkaline pyrogallate is used in Orsat's apparatus for absorption of

O₂

CO

N₂

CO₂

O₂

CO

N₂

CO₂

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

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

Explosion in furnace

All the fuel burns instantaneously producing high energy release

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

Explosion in furnace

All the fuel burns instantaneously producing high energy release

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Steam Boilers, Engines, Nozzles and Turbines
At very low temperature, the melting and boiling temperatures become equal. This temperature is

373°K

273.16°K

0°K

303°K

373°K

273.16°K

0°K

303°K

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following varieties of coals is mostly used in steam boilers?

Brown coal

Non-coking bituminous coal

Peat

None of the listed here

Brown coal

Non-coking bituminous coal

Peat

None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
The state of vapor under saturation condition is described by

Pressure and dryness fraction

Temperature alone

Pressure and temperature

Pressure alone

Pressure and dryness fraction

Temperature alone

Pressure and temperature

Pressure alone

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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the

Steam Boilers, Engines, Nozzles and Turbines Alkaline pyrogallate is used in Orsat's apparatus for absorption of

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

Steam Boilers, Engines, Nozzles and Turbines At very low temperature, the melting and boiling temperatures become equal. This temperature is

Steam Boilers, Engines, Nozzles and Turbines Which of the following varieties of coals is mostly used in steam boilers?

Steam Boilers, Engines, Nozzles and Turbines The state of vapor under saturation condition is described by

Steam Boilers, Engines, Nozzles and Turbines
The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the

Steam Boilers, Engines, Nozzles and Turbines
Alkaline pyrogallate is used in Orsat's apparatus for absorption of

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

Steam Boilers, Engines, Nozzles and Turbines
At very low temperature, the melting and boiling temperatures become equal. This temperature is

Steam Boilers, Engines, Nozzles and Turbines
Which of the following varieties of coals is mostly used in steam boilers?

Steam Boilers, Engines, Nozzles and Turbines
The state of vapor under saturation condition is described by