Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? LPG Natural gas Gobar gas Carburetted water gas LPG Natural gas Gobar gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat coals' are those coals which have very high Inherent moisture content Caking capacity Volatile matter content Fusion point of its ash Inherent moisture content Caking capacity Volatile matter content Fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly caking coals Produce weak coke May damage the coke oven walls during carbonisation Both B and C Produce strong coke Produce weak coke May damage the coke oven walls during carbonisation Both B and C Produce strong coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 20 35 55 80 20 35 55 80 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 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 It reduces its flame temperature tremendously ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of benzol are Ammonia & phenol Tar & creosote Benzene, toluene & xylene Anthracene & phenol Ammonia & phenol Tar & creosote Benzene, toluene & xylene Anthracene & phenol ANSWER DOWNLOAD EXAMIANS APP
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