Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) None of these Its pulverisation (as it requires more power) Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) None of these Its pulverisation (as it requires more power) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 6500 500 20000 1500 6500 500 20000 1500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Have proper combustion by supplying it around the burner Burn CO to CO₂ Dry and transport the coal Preheat the tertiary air used for complete combustion of CO to CO₂ Have proper combustion by supplying it around the burner Burn CO to CO₂ Dry and transport the coal Preheat the tertiary air used for complete combustion of CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Oxygen Hydrogen Sulphur Carbon Oxygen Hydrogen Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abel apparatus is used for those oils, whose flash points are___°F. >120 >280 300-600 >120 >280 300-600 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the Enhanced sensible heat loss in the flue gas Excessive power requirement of air blower Intermittant and uncontrolled combustion of the fuel High exit flue gas temperature from the furnace Enhanced sensible heat loss in the flue gas Excessive power requirement of air blower Intermittant and uncontrolled combustion of the fuel High exit flue gas temperature from the furnace ANSWER DOWNLOAD EXAMIANS APP
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