Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Fast & slow Slow & high Slow & low Fast & high Fast & slow Slow & high Slow & low Fast & high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High ash Low ash High volatile matter High calorific value High ash Low ash High volatile matter High calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of hydrogen in coke oven gas may be around 60 25 10 45 60 25 10 45 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has All of these Lower bulk density Lower strength Higher reactivity All of these Lower bulk density Lower strength Higher reactivity 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 Low calorific value of the fuel High sulphur content in the fuel Presence of large quantity of hydrogen in the fuel Lack of thorough mixing of fuel with air Low calorific value of the fuel High sulphur content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High ash containing coke Is desirable in producer gas manufacture Has poor strength and abrasion resistance None of these Produces more slag when used in the blast furnace Is desirable in producer gas manufacture Has poor strength and abrasion resistance None of these Produces more slag when used in the blast furnace ANSWER DOWNLOAD EXAMIANS APP