Fuels and Combustion Froth floatation is used for 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) Removing ash from the coal based on difference in specific gravity of coal and ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & CO N₂ & CH₄ N₂ & H₂ CH₄ & CO₂ N₂ & CO N₂ & CH₄ N₂ & H₂ CH₄ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.) NCV at constant pressure NCV at constant volume GCV at constant volume GCV at constant pressure NCV at constant pressure NCV at constant volume GCV at constant volume GCV at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good coking coal should have high __________ content. Moisture Ash Sulphur & phosphorus None of these Moisture Ash Sulphur & phosphorus None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Atomising steam to fuel oil ratio in a burner should be around 0.5 3.5 2.5 1.5 0.5 3.5 2.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Moisture Carbon Volatiles Ash Moisture Carbon Volatiles Ash ANSWER DOWNLOAD EXAMIANS APP