Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 78% and M10 < 10% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 4% and M10 < 80% M40 > 78% and M10 < 10% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 4% and M10 < 80% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bituminous coal Burns with smoky yellow flame Both B and C Is generally coking Ignites less easily than anthracite Burns with smoky yellow flame Both B and C Is generally coking Ignites less easily than anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For every 10% increase in the excess air; the fuel consumption increases by __________ percent. 2 0.1 10 5 2 0.1 10 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel with high heat release rate will Require smaller combustion chamber Have high calorific value None of these Have high adiabatic flame temperature Require smaller combustion chamber Have high calorific value None of these Have high adiabatic flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Problem of uniform heating along its height Problem in door cleaning Buckling of ram of pusher car at the time of coke pushing Structural strength of silica bricks Problem of uniform heating along its height Problem in door cleaning Buckling of ram of pusher car at the time of coke pushing Structural strength of silica bricks ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of nitrogen in blast furnace gas may be around 5 80 55 25 5 80 55 25 ANSWER DOWNLOAD EXAMIANS APP