Hamad Mechanical Operations 09/07/2020 A. Bag filter B. Electrostatic precipitator C. Cyclone separator D. Wet scrubber Related Mcqs: The specific surface of spherical particles is proportional to (where, Dp = diameter of particle)?A. D2 B. Dp C. 1/Dp D. 1/D2p... In a ball mill, the volume occupied by the balls (when the mill is stopped) is about _______________ percent of the volume of the mill?A. 35 B. 50 C. 70 D. 85... _______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?A. Tumbler B. Banbury C. Muller D. Ribbon blender... Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is_______________?A. Added to the feed slurry B. Pre-coated on the filter medium prior to filtration C. Separated from the cake by dissolving solids or by burning it off D. All A, B. & C.... Which of the following can be most effectively used for clarification of lube oil and printing ink ?A. Sparkler filter B. Pre-coat filter C. Disc-bowl centrifuge D. Sharpies super-centrifuge...
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