Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Friability & oxygen content Yield of carbonised products Calorific value Caking index Friability & oxygen content Yield of carbonised products Calorific value Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making Unsaturated polyesters Insecticides (e.g. moth balls) All of these Drug intermediates e.g. β-naphthol Unsaturated polyesters Insecticides (e.g. moth balls) All of these Drug intermediates e.g. β-naphthol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ? Basalt Silica gel Diatomaceous earth Bog iron (i.e., moist ferric hydroxide) Basalt Silica gel Diatomaceous earth Bog iron (i.e., moist ferric hydroxide) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Largest constituent of blast furnace gas is H₂ N₂ CO CO₂ H₂ N₂ CO CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 40 96 4 20 40 96 4 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fixed carbon in coal is defined as The one which is present in the residue after combustion The total quantity of carbon present in the coal That present in volatile matters Hundred minus the percentage of volatile matter, ash and moisture The one which is present in the residue after combustion The total quantity of carbon present in the coal That present in volatile matters Hundred minus the percentage of volatile matter, ash and moisture ANSWER DOWNLOAD EXAMIANS APP
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