Fuels and Combustion Bomb calorimeter can be used to determine the __________ of the coal. Both A & B Neither A nor B Sulphur content Calorific value Both A & B Neither A nor B Sulphur content Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Neither A nor B Both A and B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Contributes to its heating value Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains Greater percentage of ash All of these Less volatile matter More carbon Greater percentage of ash All of these Less volatile matter More carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Less Same More Data insufficient; can't be predicted Less Same More Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Removing ash from the coal based on difference in specific gravity of coal and ash Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about 25000 kcal/kg 8800 kcal/kg Same as that of coal middling 8800 kcal/m³ 25000 kcal/kg 8800 kcal/kg Same as that of coal middling 8800 kcal/m³ ANSWER DOWNLOAD EXAMIANS APP