Fuels and Combustion A coal containing high amount of volatile matter will have Low adiabatic flame temperature Very little ash content Low ignition temperature High fusion point of its ash Low adiabatic flame temperature Very little ash content Low ignition temperature High fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B Both A & B Because, it alone produces unreactive coke To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B Both A & B Because, it alone produces unreactive coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Napthalene Pitch-cresosote mixture (PCM) Benzol Ethylene Napthalene Pitch-cresosote mixture (PCM) Benzol Ethylene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is Tar Pitch Pulverised coke Coke oven gas Tar Pitch Pulverised coke Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Removing ash from the coal based on difference in specific gravity of coal and ash All of these Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash All of these Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Catalyst used in Fischer-Tropsch process is Nickel Thorium oxide Zinc oxide Alumina Nickel Thorium oxide Zinc oxide Alumina ANSWER DOWNLOAD EXAMIANS APP
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