Fuels and Combustion Froth floatation is used for Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sooty flame can be made non-luminous by Admitting more air Admitting more gas Shutting air supply Shutting gas supply Admitting more air Admitting more gas Shutting air supply Shutting gas supply ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 55 20 80 35 55 20 80 35 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of Bituminous coal Anthracite High temperature coke (V.M < 0.5%) Lignite Bituminous coal Anthracite High temperature coke (V.M < 0.5%) Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Oxygen Carbon monoxide Hydrogen Hydrocarbons Oxygen Carbon monoxide Hydrogen Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Compound coke ovens are those which can be heated by Both B and C Rich gas (e.g., coke oven gas) Both steam and electrical power Lean gas (e.g., B.F. gas) Both B and C Rich gas (e.g., coke oven gas) Both steam and electrical power Lean gas (e.g., B.F. gas) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS