Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = dp Sp/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most commonly used 'filter aid'. Vermiculite Diatomaceous earth Fuller's earth Semi-plastic clay Vermiculite Diatomaceous earth Fuller's earth Semi-plastic clay ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, volume shape factor is given by π/6(=V/D³) π(=A/D²) 2π(=2A/D²) AD/V π/6(=V/D³) π(=A/D²) 2π(=2A/D²) AD/V 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 Flocculation Sedimentation Dispersion Centrifugation Flocculation Sedimentation Dispersion Centrifugation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The grinding in a hammer crusher takes place due to the Both A & B Impact Attrition Neither A nor B Both A & B Impact Attrition Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? None of these Rittinger's law Kick's law Bond's law None of these Rittinger's law Kick's law Bond's law ANSWER DOWNLOAD EXAMIANS APP
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