Fuels and Combustion Removal of hydrogen from coke oven gas Does not alter its calorific value Is not possible on commerical scale Increases its calorific value Decreases its calorific value Does not alter its calorific value Is not possible on commerical scale Increases its calorific value Decreases its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always Unpredictable 1 > 1 < 1 Unpredictable 1 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Tar yield increases Hydrogen percentage in the coke oven gas decreases Methane percentage in the coke oven gas increases Coke even gas yield increases Tar yield increases Hydrogen percentage in the coke oven gas decreases Methane percentage in the coke oven gas increases Coke even gas yield increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main advantage of forced draft over natural draft is that Furnace control is easier All of these Smaller height chimney can be used Combustion of fuel is complete Furnace control is easier All of these Smaller height chimney can be used Combustion of fuel is complete ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for All of these Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) All of these Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Temperature Smoke Oxygen Carbon monoxide Temperature Smoke Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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