Hamad Mechanical Operations 04/09/2020 A. 15° B. 30° C. 45° D. 60° 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... Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the____________________?A. Density separation B. Differential wettability C. Size D. Volatile matter content... Gravity stamp mill is meant for the ___________________ crushing?A. Primary B. Intermediate C. Fine D. Ultrafine... The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle) ?A. 6/D.ρ B. 2/D.ρ C. 4/D.ρ D. 12/D.ρ... The most common filter aid is_________________?A. Diatomaceous earth B. Calcium silicate C. Sodium carbonate D. Silica gel...
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