Mechanical Operations To get ultrafine particles, the equipment used is a Hammer crusher Rod mill Fluid energy mill Ball mill Hammer crusher Rod mill Fluid energy mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gravity stamp mill is meant for the __________ crushing. Ultrafine Fine Intermediate Primary Ultrafine Fine Intermediate Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). 1/Dp Dp 1/D²p D²p 1/Dp Dp 1/D²p D²p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/6D.S 6.V/D.S S/V V/D.S V/6D.S 6.V/D.S S/V V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the Sedimentation Flocculation Dispersion Centrifugation Sedimentation Flocculation Dispersion Centrifugation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 0.02 μm/s 1 μm/s 0.90 μm/s 22.1 μm/s 0.02 μm/s 1 μm/s 0.90 μm/s 22.1 μm/s ANSWER DOWNLOAD EXAMIANS APP
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