Fuels and Combustion For maximum discharge through a chimney, its height should be Equal to the height of the hot gas column producing draught More than 105.7 metres 200 meters Infinitely long Equal to the height of the hot gas column producing draught More than 105.7 metres 200 meters Infinitely long ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas constitutes mainly of H₂ & CO₂ H₂ & CH₄ CH₄ & CO H₂ & CO H₂ & CO₂ H₂ & CH₄ CH₄ & CO H₂ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fussain All of these Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal Is friable, charcoal like substance Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation All of these Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal Is friable, charcoal like substance Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Hardness & strength Porosity Sulphur & phosphorous content Fusion point of its ash Hardness & strength Porosity Sulphur & phosphorous content Fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Low amount/current of combustion air Preheated secondary air High amount/current of combustion air Very little excess air Low amount/current of combustion air Preheated secondary air High amount/current of combustion air Very little excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 98% and M10 < 2% M40 > 10% and M10 < 78% M40 > 4% and M10 < 80% M40 > 78% and M10 < 10% M40 > 98% and M10 < 2% M40 > 10% and M10 < 78% M40 > 4% and M10 < 80% M40 > 78% and M10 < 10% ANSWER DOWNLOAD EXAMIANS APP
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