Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Preheated secondary air Low amount/current of combustion air Very little excess air High amount/current of combustion air Preheated secondary air Low amount/current of combustion air Very little excess air High amount/current of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Contributes to its heating value Both A and B Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Both A and B Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in Ammoniacal cuprous chloride Pyrogallol solution KOH None of these Ammoniacal cuprous chloride Pyrogallol solution KOH None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If CO₂ is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as SO₂ O₂ N₂ CO SO₂ O₂ N₂ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? Carburetted water gas Gobar gas LPG Natural gas Carburetted water gas Gobar gas LPG Natural gas ANSWER DOWNLOAD EXAMIANS APP