______________ mean diameter of particles is given by Σ (xi/Dpi ⃗)?

Related Mcqs:

Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are________________?

A. Carbonates B. Sulphates C. Silicates & phosphates D. Bi-carbonates...

In case of a ball mill ?

A. Coarse feed requires a larger ball B. Fine feed requires a larger ball C. Operating speed should be more than the critical speed D. None of these...

Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called__________________?

A. Classification B. Froth floatation C. Thickening D. Clarification...

Which of the following is a continuous filter ?

A. Plate and frame filter B. Cartridge filter C. Shell and leaf filter D. None of these...

Which of the following is not a wet classifier ?

A. Sharpies super-centrifuge B. Hydrocyclones C. Dorr Oliver rake classifier D. None of these...