Fuels and Combustion As the equilibrium moisture content of the coal increases, its Bulk density decreases Swelling number increases Swelling number decreases Calorific value increases Bulk density decreases Swelling number increases Swelling number decreases Calorific value increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Burns completely Gives smokeless burning Shows little or no fusing action None of these Burns completely Gives smokeless burning Shows little or no fusing action None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 1-2 10-15 22-26 30-33 1-2 10-15 22-26 30-33 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of excess of combustion air in the combustion of fuels results in Long flame Condensation of water vapour from the fuel gas Heat losses None of these Long flame Condensation of water vapour from the fuel gas Heat losses None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is coking? Vitrain Fussain Neither A nor B Both A & B Vitrain Fussain Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? Low reactivity of carbonised residue containing high proportions of iron & sulphur All of these Low forced draught and fuel bed temperature Thick fire bed and preheated primary air Low reactivity of carbonised residue containing high proportions of iron & sulphur All of these Low forced draught and fuel bed temperature Thick fire bed and preheated primary air ANSWER DOWNLOAD EXAMIANS APP
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