Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Lower hydrogen content Higher calorific value Neither A nor B Both A & B Lower hydrogen content Higher calorific value Neither A nor B Both A & B 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. >71% In between 37 & 71% None of these < 37% >71% In between 37 & 71% None of these < 37% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 12 36 8 22 12 36 8 22 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Power alcohol as compared to straight run gasoline has lower Octane number Specific gravity Calorific value Viscosity Octane number Specific gravity Calorific value Viscosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace coke is made from coal by Low temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation High temperature carbonisation Low temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation High temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C All of these All tar is evolved at < 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C Hard semi-coke starts shrinking at 600°C All of these All tar is evolved at < 600°C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS