Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce smaller coke All of these Produce stronger coke Require less time of carbonisation Produce smaller coke All of these Produce stronger coke Require less time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of the coal blend used for the manufacture of metallurgical coke should be around 40 21 48 5 40 21 48 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bulk density of pulverised coal may be about __________ kg/m³. 1500 100 500 1000 1500 100 500 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in 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) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Facilitate easy ash removal Provide trouble free operation Enhance its calorific value Ensure its complete combustion Facilitate easy ash removal Provide trouble free operation Enhance its calorific value Ensure its complete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas constitutes mainly of CH₄ & CO₂ N₂ & CO N₂ & CH₄ N₂ & H₂ CH₄ & CO₂ N₂ & CO N₂ & CH₄ N₂ & H₂ ANSWER DOWNLOAD EXAMIANS APP