Stoichiometric quantity of air is the

Steam Boilers, Engines, Nozzles and Turbines
Stoichiometric quantity of air is the

Air present in atmosphere at NTP conditions

Air required to convert CO into CO₂

Air required for optimum combustion so as to have reasonable excess air

Air required for complete combustion of fuel with no excess air

Air present in atmosphere at NTP conditions

Air required to convert CO into CO₂

Air required for optimum combustion so as to have reasonable excess air

Air required for complete combustion of fuel with no excess air

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

Fuel burns with less air

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

Explosion in furnace

All the fuel burns instantaneously producing high energy release

Fuel burns with less air

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

Explosion in furnace

All the fuel burns instantaneously producing high energy release

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Steam Boilers, Engines, Nozzles and Turbines
A closed vessel made of steel and used for the generation of steam is called a

Steam turbine

Steam boiler

Steam condenser

Steam injector

Steam turbine

Steam boiler

Steam condenser

Steam injector

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Steam Boilers, Engines, Nozzles and Turbines
When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

None of these

(h - hf1)/2257

(h × hf1)/2257

(h + hf1)/2257

None of these

(h - hf1)/2257

(h × hf1)/2257

(h + hf1)/2257

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Steam Boilers, Engines, Nozzles and Turbines
Expanding steam to a very low pressure (high vacuum) in steam engines is

Essential

Economical

Uneconomical

Desirable

Essential

Economical

Uneconomical

Desirable

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Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called

Woolf type compound engine

Tandem type compound engine

Receiver type compound engine

Both (A) and (B)

Woolf type compound engine

Tandem type compound engine

Receiver type compound engine

Both (A) and (B)

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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the

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

Steam Boilers, Engines, Nozzles and Turbines A closed vessel made of steel and used for the generation of steam is called a

Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is

Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called

Steam Boilers, Engines, Nozzles and Turbines
Stoichiometric quantity of air is the

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

Steam Boilers, Engines, Nozzles and Turbines
A closed vessel made of steel and used for the generation of steam is called a

Steam Boilers, Engines, Nozzles and Turbines
When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

Steam Boilers, Engines, Nozzles and Turbines
Expanding steam to a very low pressure (high vacuum) in steam engines is

Steam Boilers, Engines, Nozzles and Turbines
A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called