Fuels and Combustion Yield of charcoal in high temperature carbonisation of wood is about __________ percent. 25 10 50 75 25 10 50 75 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 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 Presence of large quantity of hydrogen in the fuel Lack of thorough mixing of fuel with air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Catalyst used in Fischer-Tropsch process is Nickel Zinc oxide Thorium oxide Alumina Nickel Zinc oxide Thorium oxide Alumina ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 700 to 850 550 to 650 100 to 150 350 to 450 700 to 850 550 to 650 100 to 150 350 to 450 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Lower theoretical flame temperature Higher calorific value Lower ignition temperature Narrower limit of inflammability Lower theoretical flame temperature Higher calorific value Lower ignition temperature Narrower limit of inflammability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Molasses Tar Pitch Line Molasses Tar Pitch Line ANSWER DOWNLOAD EXAMIANS APP