Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by Adsorption on silica gel Adsorption on bog iron bed Bubbling it through dilute sulphuric acid Absorption in wash oil Adsorption on silica gel Adsorption on bog iron bed Bubbling it through dilute sulphuric acid Absorption in wash oil 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 25 5 55 75 25 5 55 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Neither A nor B The ratio of its percentage of fixed carbon to that of volatile matter Both A and B Helpful in estimation of its rank Neither A nor B The ratio of its percentage of fixed carbon to that of volatile matter Both A and B Helpful in estimation of its rank ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most poisonous gas? Blast furnace gas Coke oven gas Producer gas L.D. converter gas Blast furnace gas Coke oven gas Producer gas L.D. converter gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require maximum amount of % excess air for complete combustion? Lump coal (fixed on chain grate) Furnace oil Pulverised coal Coke oven gas Lump coal (fixed on chain grate) Furnace oil Pulverised coal Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Large heaps with small surface to volume ratio Shallow and small piles Fine sizes without the presence of any lump Closed space without any ventilation facility Large heaps with small surface to volume ratio Shallow and small piles Fine sizes without the presence of any lump Closed space without any ventilation facility ANSWER DOWNLOAD EXAMIANS APP