Fuels and Combustion In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. Free carbon content in tar Yield percentage of coke Difference in gross & net calorific value of the coke oven gas Yield of ammonia present in coke oven gas Free carbon content in tar Yield percentage of coke Difference in gross & net calorific value of the coke oven gas Yield of ammonia present in coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Both A & B Higher amount of methane Higher amount of both methane and hydrogen Lower amount of hydrogen Both A & B Higher amount of methane Higher amount of both methane and hydrogen Lower amount of hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 35 55 80 20 35 55 80 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Air/gas ratio for complete combustion will be the highest for Coke oven gas Carburetted water gas LPG Gobar gas Coke oven gas Carburetted water gas LPG Gobar gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Requires smaller combustion space and less secondary air None of these Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame Requires smaller combustion space and less secondary air None of these Is less liable to spontaneous combustion on storage Is more difficult to ignite and produces a shorter flame 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 Lack of thorough mixing of fuel with air High sulphur content in the fuel Presence of large quantity of hydrogen in the fuel Low calorific value of the fuel Lack of thorough mixing of fuel with air High sulphur content in the fuel Presence of large quantity of hydrogen in the fuel Low calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS