Fuels and Combustion Bright coal Contains more than 90% durain Is non-coking Contains mainly vitrain & clarain and is generally coking Contains more than 90% fussain Contains more than 90% durain Is non-coking Contains mainly vitrain & clarain and is generally coking Contains more than 90% fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. Less More or less ; (depends on the state of fuel.) Equal More Less More or less ; (depends on the state of fuel.) Equal More ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 10-15 22-26 1-2 30-33 10-15 22-26 1-2 30-33 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases. CO₂ content CO content O₂ content Dew point CO₂ content CO content O₂ content Dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with More than theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air Theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air Theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are 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% M40 > 10% and M10 < 78% ANSWER DOWNLOAD EXAMIANS APP
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