Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Problem of uniform heating along its height Structural strength of silica bricks Buckling of ram of pusher car at the time of coke pushing Problem in door cleaning Problem of uniform heating along its height Structural strength of silica bricks Buckling of ram of pusher car at the time of coke pushing Problem in door cleaning ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Both O₂ and CO Only O₂ Both O₂ and CO₂ All of these Both O₂ and CO Only O₂ Both O₂ and CO₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised fuel Requires larger combustion chamber than rich gaseous fuel All of these Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel Requires larger combustion chamber than rich gaseous fuel All of these Suppresses the discharge of fine dust and grit into atmosphere In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Vitrain Clarain Durain Fussain Vitrain Clarain Durain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which is the heaviest fuel gas out of the following? Coke oven gas Carburetted water gas Blast furnace gas Water gas Coke oven gas Carburetted water gas Blast furnace gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 10% and M10 < 78% M40 > 78% and M10 < 10% M40 > 4% and M10 < 80% M40 > 98% and M10 < 2% M40 > 10% and M10 < 78% M40 > 78% and M10 < 10% M40 > 4% and M10 < 80% M40 > 98% and M10 < 2% ANSWER DOWNLOAD EXAMIANS APP