Fuels and Combustion Which of the following coke has the least percentage of ash? Foundary coke Beehive coke Metallurgical coke Petroleum coke Foundary coke Beehive coke Metallurgical coke Petroleum coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by 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 Adsorption on silica gel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 22-26 30-33 10-15 1-2 22-26 30-33 10-15 1-2 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For every 10% increase in the excess air; the fuel consumption increases by __________ percent. 0.1 5 2 10 0.1 5 2 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame Is less liable to spontaneous combustion on storage None of these Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame Is less liable to spontaneous combustion on storage None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Helpful in estimation of its rank The ratio of its percentage of fixed carbon to that of volatile matter Neither A nor B Both A and B Helpful in estimation of its rank The ratio of its percentage of fixed carbon to that of volatile matter Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
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