Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce stronger coke Require less time of carbonisation Produce smaller coke All of these Produce stronger coke Require less time of carbonisation Produce smaller coke All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Gives larger yield of coke (around 85%) as compared to by-product ovens Produces coke with very poor strength Facilitates by-products recovery Takes 2-3 days for coking of coal but requires no external fuel for heating Gives larger yield of coke (around 85%) as compared to by-product ovens Produces coke with very poor strength Facilitates by-products recovery Takes 2-3 days for coking of coal but requires no external fuel for heating ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the Hot scarfing of steel slabs Mixing with blast furnace gas Steel ladle drying Coke oven battery heating Hot scarfing of steel slabs Mixing with blast furnace gas Steel ladle drying Coke oven battery heating ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the Presence of large quantity of hydrogen in the fuel Lack of thorough mixing of fuel with air High sulphur content in the fuel Low calorific value of the fuel Presence of large quantity of hydrogen in the fuel Lack of thorough mixing of fuel with air High sulphur content in the fuel Low calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ present in coal is not determined in its ultimate analysis. Fixed carbon Nitrogen Total carbon Hydrogen Fixed carbon Nitrogen Total carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Wet packed scrubber Washing with monoethanolamine Cyclone separator Electrostatic precipitator Wet packed scrubber Washing with monoethanolamine Cyclone separator Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP