Hamad Mechanical Operations 26/07/2021 A. Drag B. Ribbon C. Screw D. Slat 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... Chance process is used for the________________?A. Cleaning of coal B. Concentration of iron ore C. Concentration of pyrites D. Water treatment... Rittinger number which designates the new surface produced per unit of mechanical energy absorbed by the material being crushed, depends on the ______________________?A. State or manner of application of the crushing force B. Ultimate strength of the material C. Elastic constant of the material D. All A., B. and C.... For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid ?A. Kozeny-Carman equation B. Leva’s equation C. Blake-Plummer equation D. None of these... 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...
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