Fuels and Combustion __________ process is meant for direct hydrogenation of coal to produce liquid fuel. Bergius Lurgi Fischer-Tropsch None of these Bergius Lurgi Fischer-Tropsch None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. None of these < 37% >71% In between 37 & 71% None of these < 37% >71% In between 37 & 71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke Neither A nor B Both A & B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal Hard semi-coke starts shrinking at 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C All of these Hard semi-coke starts shrinking at 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas comprises mainly of CO & H₂ CO & N₂ CO₂ & N₂ CO₂ & H₂ CO & H₂ CO & N₂ CO₂ & N₂ CO₂ & H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Orsat apparatus is meant for Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride None of these Gravimetric analysis of flue gas Finding out combustion efficiency Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride None of these Gravimetric analysis of flue gas Finding out combustion efficiency ANSWER DOWNLOAD EXAMIANS APP