Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 550 to 650 700 to 850 350 to 450 100 to 150 550 to 650 700 to 850 350 to 450 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by 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 Absorption in wash oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Shallow and small piles Closed space without any ventilation facility Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Shallow and small piles Closed space without any ventilation facility ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is CO₂ H₂ CH₄ N₂ CO₂ H₂ CH₄ N₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between gross and net calorific value will be minimum in case of Coke oven gas Natural gas Water gas Blast furnace gas Coke oven gas Natural gas Water gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of combustion air is done to Increase the adiabatic flame temperature Reduce its requirement for effecting the complete combustion Complete the combustion of fuel Increase the calorific value of the fuel Increase the adiabatic flame temperature Reduce its requirement for effecting the complete combustion Complete the combustion of fuel Increase the calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS