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