Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Sulphur (4-6%) Moisture Volatile matter Ash Sulphur (4-6%) Moisture Volatile matter Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Time of carbonisation Fuel consumption in coking Yield of gas and tar All of these Time of carbonisation Fuel consumption in coking Yield of gas and tar All of these 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 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 Adsorption on bog iron bed ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is coking? Fussain Both A & B Neither A nor B Vitrain Fussain Both A & B Neither A nor B Vitrain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Removal of hydrogen from coke oven gas Does not alter its calorific value Increases its calorific value Decreases its calorific value Is not possible on commerical scale Does not alter its calorific value Increases its calorific value Decreases its calorific value Is not possible on commerical scale ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 60-65 95-100 25-30 3-5 60-65 95-100 25-30 3-5 ANSWER DOWNLOAD EXAMIANS APP
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