Fuels and Combustion Size of blast furnace grade coke is __________ mm. 0-15 25-80 >100 15-25 0-15 25-80 >100 15-25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Air/gas ratio for complete combustion will be the highest for Coke oven gas LPG Gobar gas Carburetted water gas Coke oven gas LPG Gobar gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal, the Yield of tar is about 3% of dry coal Temperature maintained is 700°C Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal Yield of tar is about 3% of dry coal Temperature maintained is 700°C Volatile matter in coke is zero Yield of coke oven gas is 290 Nm³ /ton dry coal 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. 40 and 70 95 and 100 25 and 97 80 and 97 40 and 70 95 and 100 25 and 97 80 and 97 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by Absorption in wash oil Adsorption on bog iron bed Bubbling it through dilute sulphuric acid Adsorption on silica gel Absorption in wash oil Adsorption on bog iron bed Bubbling it through dilute sulphuric acid Adsorption on silica gel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because There are chances of explosion during preheating The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its flame temperature tremendously It reduces its calorific value tremendously There are chances of explosion during preheating The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its flame temperature tremendously It reduces its calorific value tremendously ANSWER DOWNLOAD EXAMIANS APP