Fuels and Combustion Removal of hydrogen from coke oven gas Decreases its calorific value Increases its calorific value Does not alter its calorific value Is not possible on commerical scale Decreases its calorific value Increases its calorific value Does not alter its calorific value Is not possible on commerical scale ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is Less reactive Stronger Smaller in size All of these Less reactive Stronger Smaller in size All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of the coke is a measure of its Bulk density Strength None of these Reactivity Bulk density Strength None of these Reactivity 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 All tar is evolved at < 600°C Hard semi-coke starts shrinking at 600°C All of these Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C Hard semi-coke starts shrinking at 600°C All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a rich fuel gas? Coal gas from underground gasification of coal Producer gas Refinery gases None of these Coal gas from underground gasification of coal Producer gas Refinery gases None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking coals are invariably Semi-anthracites Anthracites Bituminous coals Lignites Semi-anthracites Anthracites Bituminous coals Lignites ANSWER DOWNLOAD EXAMIANS APP