The process opposite to ‘dispersion’ is termed as the___________________?

Related Mcqs:

1. Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the___________________?

   A. Coagulation
   B. Flocculation
   C. Sedimentation
   D. Clarification

2. Float and sink test determines the possibility of cleaning of coal by a process based on the___________________?

   A. Gravity separation
   B. Wettability
   C. Particle shape
   D. None of these

3. Dispersion of a gas through liquid is done by using a__________________?

   A. Sparger
   B. Kneader
   C. Masticator
   D. None of these

4. _______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?

   A. Tumbler
   B. Banbury
   C. Muller
   D. Ribbon blender

5. The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a __________________?

   A. Boundary mixer
   B. Propeller agitator
   C. Sharpies centrifuge
   D. None of these

6. Crushing of mineral particles is accomplished in a ‘cage mill’, when one or more alloy steel bars are revolved in opposite directions. It is a type of ______________ mill?

   A. Impact
   B. Roll
   C. Vibratory
   D. None of these

7. The process by which fine solids is removed from liquids is termed as _____________________?

   A. Decantation
   B. Flocculation
   C. Sedimentation
   D. Classification

8. If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the __________________?

   A. Sedimentation
   B. Flocculation
   C. Dispersion
   D. Centrifugation

9. A screen is said to be blinded, when the___________________?

   A. Over-sizes are present in undersize fraction
   B. Under-sizes are retained in oversize fraction
   C. Screen is plugged with solid particles
   D. Screen capacity is abruptly increased

10. 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