Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Alphatic compounds Aromatic compounds Olefins Paraffins Alphatic compounds Aromatic compounds Olefins Paraffins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Calorific value of the fuel Heat transfer rate to the stock in the furnace Flame temperature achieved Speed of combustion of fuel Calorific value of the fuel Heat transfer rate to the stock in the furnace Flame temperature achieved Speed of combustion of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 5000 50 1000 10000 5000 50 1000 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by Cuprous chloride Potassium hydroxide Alkaline pyrogallol solution None of these Cuprous chloride Potassium hydroxide Alkaline pyrogallol solution None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gasification reaction represented by, C + H₂O = CO + H₂, is Autocatalytic Endothermic Catalytic Exothermic Autocatalytic Endothermic Catalytic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. Free carbon content in tar Yield percentage of coke Yield of ammonia present in coke oven gas Difference in gross & net calorific value of the coke oven gas Free carbon content in tar Yield percentage of coke Yield of ammonia present in coke oven gas Difference in gross & net calorific value of the coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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