Fuels and Combustion Preheating of a gaseous fuel results in increased Flame length Flame temperature Quantity of flue gas Ignition temperature Flame length Flame temperature Quantity of flue gas Ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its S & P content Fusion point of ash Heating value None of these S & P content Fusion point of ash Heating value None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Fine grinding Low preheat of air All of these High excess air Fine grinding Low preheat of air All of these High excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most poisonous gas? Producer gas Blast furnace gas L.D. converter gas Coke oven gas Producer gas Blast furnace gas L.D. converter gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal All of these Is present upto 1-2% Is recovered as ammonia during its carbonisation Comes from protein in parent vegetable matter All of these Is present upto 1-2% Is recovered as ammonia during its carbonisation Comes from protein in parent vegetable matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Gives larger yield of coke (around 85%) as compared to by-product ovens Facilitates by-products recovery Takes 2-3 days for coking of coal but requires no external fuel for heating Produces coke with very poor strength Gives larger yield of coke (around 85%) as compared to by-product ovens Facilitates by-products recovery Takes 2-3 days for coking of coal but requires no external fuel for heating Produces coke with very poor strength ANSWER DOWNLOAD EXAMIANS APP
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