Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 43832 60 - 75 15 - 20 40 - 50 43832 60 - 75 15 - 20 40 - 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their Terminal velocities None of these Particle sizes Densities Terminal velocities None of these Particle sizes Densities ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloid mills achieve size reduction mainly by Compression Impact Attrition Cutting Compression Impact Attrition Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 1 ∞ 0.5 1 ∞ 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation? Crush shaft Jaw plates Check plates Toggles Crush shaft Jaw plates Check plates Toggles 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). S/V 6.V/D.S V/6D.S V/D.S S/V 6.V/D.S V/6D.S V/D.S ANSWER DOWNLOAD EXAMIANS APP
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