Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke None of these Decreases the abrasion resistance of coke Decreases the hardness of coke Causes brittleness in steel None of these Decreases the abrasion resistance of coke Decreases the hardness of coke Causes brittleness in steel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Volatile matter Ash Inherent mineral matter Free impurities Volatile matter Ash Inherent mineral matter Free impurities ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Decrease in its calorific value Brittleness of steel made by using it None of these Increase in its strength Decrease in its calorific value Brittleness of steel made by using it None of these Increase in its strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following, which is the most important parameter for the blast furnace grade coke? CSR & CRI Volatile matter content Ash content Moisture content CSR & CRI Volatile matter content Ash content Moisture content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by 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 Absorption in wash oil Adsorption on bog iron bed ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Wet packed scrubber Electrostatic precipitator Washing with monoethanolamine Cyclone separator Wet packed scrubber Electrostatic precipitator Washing with monoethanolamine Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
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