Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of Lignite Anthracite Bituminous coal High temperature coke (V.M < 0.5%) Lignite Anthracite Bituminous coal High temperature coke (V.M < 0.5%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because It reduces its flame temperature tremendously It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot There are chances of explosion during preheating It reduces its flame temperature tremendously It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot There are chances of explosion during preheating ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ of the coal is the basis for Seylor's coal classification. Proximate analysis Ultimate analysis Calorific value Caking index Proximate analysis Ultimate analysis Calorific value Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Coalification Oxidation Gasification Carbonisation Coalification Oxidation Gasification Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat coals' are those coals which have very high Volatile matter content Fusion point of its ash Caking capacity Inherent moisture content Volatile matter content Fusion point of its ash Caking capacity Inherent moisture content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Volatiles Ash Iron Moisture Volatiles Ash Iron Moisture ANSWER DOWNLOAD EXAMIANS APP
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