2842Chemical EngineeringMedium
Concentration of sulphide ores is done usually by________?
ASmelting
BFroth floatation
CElectromagnetic separation
DRoasting
Correct answer
B. Froth floatation
Explanation
The correct answer is Froth floatation.
Correct answer
B. Froth floatation
Explanation
The correct answer is Froth floatation.
Which of the following factors determine the amount of entrainment in a distillation column?
The film penetration model of mass transfer was enunciated by________?
. Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm2) is ________ °C?
Concentrated HCl at 30°C can be stored in a vessel made of ________?
Preheating of combustion air is done to ________?
Thickness of the frame of a plate and frame filter as compared to that of plates is________?