11. Percentage of drum submerged in the slurry in case of rotary drum filter is
12. In froth floatation, chemical agent added to cause air adherence is called
13. In constant pressure filtration,
14. Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills.
15. In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing).
16. __________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution.
17. The process opposite to 'dispersion' is termed as the
18. Size reduction does not occur due to compression in case of
19. Mixing mechanism employed in a pan mixer is by
20. During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration
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