Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Moisture Carbon Volatiles Ash Moisture Carbon Volatiles Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by Absorption in wash oil Adsorption on bog iron bed Adsorption on silica gel Bubbling it through dilute sulphuric acid Absorption in wash oil Adsorption on bog iron bed Adsorption on silica gel Bubbling it through dilute sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Chances of clinker formation Incomplete combustion of coal Requirement of large volume combustion chamber Risk of explosion Chances of clinker formation Incomplete combustion of coal Requirement of large volume combustion chamber Risk of explosion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly caking coals Produce strong coke Both B and C Produce weak coke May damage the coke oven walls during carbonisation Produce strong coke Both B and C Produce weak coke May damage the coke oven walls during carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of wood gas is about __________ kcal/Nm³. 1500 8500 5400 3300 1500 8500 5400 3300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 75 5 55 25 75 5 55 25 ANSWER DOWNLOAD EXAMIANS APP
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