Steam Boilers, Engines, Nozzles and Turbines
Orsat meter is used for

Volumetric analysis of the flue gases
Measuring smoke density of flue gases
Gravimetric analysis of the flue gases
Mass flow of the flue gases

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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
Explosion in furnace
All the fuel burns instantaneously producing high energy release
Fuel burns with less air

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