Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that Complete combustion of fuel has taken place No excess air has been used for combustion 21% excess oxygen has been used for combustion 21% excess air has been used for combustion Complete combustion of fuel has taken place No excess air has been used for combustion 21% excess oxygen has been used for combustion 21% excess air has been used for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in All of these Prevention of clinker formation in the oven Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) All of these Prevention of clinker formation in the oven Controlling the dust nuisance while charging the coal Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of pitch from distillation of high temperature tar is around __________ percent. 25 65 90 10 25 65 90 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Fuel consumption for the same heat load Stack gas temperature Percentage of oxygen in flue gases All of these Fuel consumption for the same heat load Stack gas temperature Percentage of oxygen in flue gases All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cooling medium used in dry quenching of coke is Air Phenolic water Nitrogen Carbon dioxide Air Phenolic water Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Ensure efficient burning of coal around the burner Dry the coal Reduce primary air requirement Transport the coal to the burner Ensure efficient burning of coal around the burner Dry the coal Reduce primary air requirement Transport the coal to the burner ANSWER DOWNLOAD EXAMIANS APP
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