Which of the following size reduction equipments employs mainly attrition for ultrafine grinding ?

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...

A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for _______________ flow of filtrate?

A. Compressible cakes and laminar B. Incompressible cake and laminar C. Compressible cake and turbulent D. Incompressible cake and turbulent...

In a grinding operation, the limiting particle size is the size of the _______________ particle in the sample?

A. Smallest B. Largest C. Either A. or B. D. Neither A. nor B....

In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the__________________?

A. Square root of the velocity B. Square of the viscosity C. Filtration time only D. Washing time only...

Reduction ratio of crushers is the___________________?

A. Ratio of feed opening to discharge opening B. Ratio of discharge opening to feed opening C. Determining factor for minimum dia of the feed and the product D. None of these...