Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by Oxygen enriched air Oxygen None of these Air Oxygen enriched air Oxygen None of these Air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the Steel ladle drying Mixing with blast furnace gas Coke oven battery heating Hot scarfing of steel slabs Steel ladle drying Mixing with blast furnace gas Coke oven battery heating Hot scarfing of steel slabs ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Burn CO to CO₂ Dry and transport the coal Have proper combustion by supplying it around the burner Preheat the tertiary air used for complete combustion of CO to CO₂ Burn CO to CO₂ Dry and transport the coal Have proper combustion by supplying it around the burner Preheat the tertiary air used for complete combustion of CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens Increases the time of carbonisation Produces larger size coke May damage its walls due to abrupt excessive swelling of coal None of these Increases the time of carbonisation Produces larger size coke May damage its walls due to abrupt excessive swelling of coal None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation of coal compared to low temperature carbonisation H₂ content in the coke oven gas is more Aromatic content of tar is low Yield of ammonia is less Calorific value of the coke oven gas is lower H₂ content in the coke oven gas is more Aromatic content of tar is low Yield of ammonia is less Calorific value of the coke oven gas is lower ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal that softens and fuses on heating is Classified Carbonised Caking Non-caking Classified Carbonised Caking Non-caking ANSWER DOWNLOAD EXAMIANS APP
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