3244Chemical EngineeringMedium
________ balls capable of grinding the feed in a ball mill gives the maximum efficiency?
AMinimum size
BCast iron
CMaximum size
DElliptical
Correct answer
A. Minimum size
Explanation
The correct answer is Minimum size.
Correct answer
A. Minimum size
Explanation
The correct answer is Minimum size.
Fusion temperature of pure silica (SiO2) is ________ °C?
Balls in a ball mill are usually made of________?
A solution which resists change in its pH value on addition of acid/alkali is called the ________ solution?
The average molecular weight of a flue gas having the composition by volume as CO2 = 25%, O2 = 25%, N2 = 50% will be________?
Absolute zero pressure can be attained at a temperature of________?
β-rays emission in radioactive disintegration is always accompanied by the emission of________?