Fuels and Combustion Efficient burning of anthracite coal requires Low preheat of air Fine grinding High excess air All of these Low preheat of air Fine grinding High excess air All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) NCV at constant pressure NCV at constant volume GCV at constant volume GCV at constant pressure NCV at constant pressure NCV at constant volume GCV at constant volume GCV at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Smoke point Kindling temperature Burning temperature Fire point Smoke point Kindling temperature Burning temperature Fire point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Aromatic content of tar produced is more Gas yield is less Tar yield is more Ignition temperature of coke produced is less Aromatic content of tar produced is more Gas yield is less Tar yield is more Ignition temperature of coke produced is less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 47.3 23 27.6 42.9 47.3 23 27.6 42.9 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Develops a non-luminous flame Develops a low temperature flame Can be done with less excess air Provides a lower rate of heat release Develops a non-luminous flame Develops a low temperature flame Can be done with less excess air Provides a lower rate of heat release ANSWER DOWNLOAD EXAMIANS APP
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