Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 5400 1800 10200 3200 5400 1800 10200 3200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ present in coal is not determined in its ultimate analysis. Nitrogen Total carbon Fixed carbon Hydrogen Nitrogen Total carbon Fixed carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by Bubbling it through dilute sulphuric acid Adsorption on silica gel Adsorption on bog iron bed Absorption in wash oil Bubbling it through dilute sulphuric acid Adsorption on silica gel Adsorption on bog iron bed Absorption in wash oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value Improves its coking properties All of these Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value Improves its coking properties All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. Caking Non-caking High ash Pulverised Caking Non-caking High ash Pulverised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. 80 and 97 40 and 70 95 and 100 25 and 97 80 and 97 40 and 70 95 and 100 25 and 97 ANSWER DOWNLOAD EXAMIANS APP
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