Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fixed carbon in coal is defined as The one which is present in the residue after combustion Hundred minus the percentage of volatile matter, ash and moisture The total quantity of carbon present in the coal That present in volatile matters The one which is present in the residue after combustion Hundred minus the percentage of volatile matter, ash and moisture The total quantity of carbon present in the coal That present in volatile matters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 750 550 950 1150 750 550 950 1150 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by Potassium hydroxide Dilute potassium carbonate Cuporus chloride Alkaline pyragllol solution Potassium hydroxide Dilute potassium carbonate Cuporus chloride Alkaline pyragllol solution ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by Absorption in wash oil Bubbling it through dilute sulphuric acid Adsorption on bog iron bed Adsorption on silica gel Absorption in wash oil Bubbling it through dilute sulphuric acid Adsorption on bog iron bed Adsorption on silica gel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of blast furnace gas is about __________ Nm³ /ton of pig iron. 2000 300 5000 10000 2000 300 5000 10000 ANSWER DOWNLOAD EXAMIANS APP
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