Lancashire boiler is of

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

Stationary < fire tube type

Natural circulation type

All of the listed here

Horizontal type

Stationary < fire tube type

Natural circulation type

All of the listed here

Horizontal type

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Steam Boilers, Engines, Nozzles and Turbines
The reheat factor depends upon

All of these

Exit pressure

Initial pressure and superheat

Turbine stage efficiency

All of these

Exit pressure

Initial pressure and superheat

Turbine stage efficiency

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Steam Boilers, Engines, Nozzles and Turbines
The average value of diagram factor lies between

0.2 to 0.5

0.5 to 0.65

0.8 to 1.2

0.65 to 0.9

0.2 to 0.5

0.5 to 0.65

0.8 to 1.2

0.65 to 0.9

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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

Fuel burns with less air

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

All the fuel burns instantaneously producing high energy release

Fuel burns with less air

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

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Steam Boilers, Engines, Nozzles and Turbines
Water tube boilers are those in which

Change in enthalpy

Water passes through the tubes and flue gases around it

Flue gases pass through tubes and water around it

Work is done during adiabatic expansion

Change in enthalpy

Water passes through the tubes and flue gases around it

Flue gases pass through tubes and water around it

Work is done during adiabatic expansion

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

Reheat factor

Rankine efficiency

Stage efficiency

Internal efficiency

Reheat factor

Rankine efficiency

Stage efficiency

Internal efficiency

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Steam Boilers, Engines, Nozzles and Turbines

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

Steam Boilers, Engines, Nozzles and Turbines The reheat factor depends upon

Steam Boilers, Engines, Nozzles and Turbines The average value of diagram factor lies between

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

Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which

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

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

Steam Boilers, Engines, Nozzles and Turbines
The reheat factor depends upon

Steam Boilers, Engines, Nozzles and Turbines
The average value of diagram factor lies between

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

Steam Boilers, Engines, Nozzles and Turbines
Water tube boilers are those in which

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