Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always < 1 Unpredictable 1 > 1 < 1 Unpredictable 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Air/gas ratio for complete combustion will be the highest for LPG Coke oven gas Gobar gas Carburetted water gas LPG Coke oven gas Gobar gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Type (solid, liquid or gaseous) Sulphur content Ignition temperature Calorific value Type (solid, liquid or gaseous) Sulphur content Ignition temperature Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 48 8 18 80 48 8 18 80 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace coke is made from coal by Medium temperature carbonisation Low temperature carbonisation Heating the coal in an oven in presence of air High temperature carbonisation Medium temperature carbonisation Low temperature carbonisation Heating the coal in an oven in presence of air High temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Entrainment of solids is higher Coking coals cannot be used Larger quantity of coal can be processed Low carbon conversion efficiency is achieved Entrainment of solids is higher Coking coals cannot be used Larger quantity of coal can be processed Low carbon conversion efficiency is achieved ANSWER DOWNLOAD EXAMIANS APP
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