Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using High amount/current of combustion air Very little excess air Low amount/current of combustion air Preheated secondary air High amount/current of combustion air Very little excess air Low amount/current of combustion air Preheated secondary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Both A and B Neither A nor B Contributes to its heating value Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B Neither A nor B Contributes to its heating value 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 Pyrogallol solution None of these Ammoniacal cuprous chloride KOH Pyrogallol solution None of these Ammoniacal cuprous chloride KOH 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 N₂ O₂ CO SO₂ N₂ O₂ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? Natural gas LPG Gobar gas Carburetted water gas Natural gas LPG Gobar gas Carburetted water gas ANSWER DOWNLOAD EXAMIANS APP