Mechanical Operations Separation of materials of the same density based on their sizes by using then-different rates of flow is called Elutriation Sorting Sizing Flocculation Elutriation Sorting Sizing Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Varying rate Constant rate Constant pressure Varying pressure Varying rate Constant rate Constant pressure Varying pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) Vp/m . ρ M/ρ . Vp M . ρ/Vp M . Vp/ρ Vp/m . ρ M/ρ . Vp M . ρ/Vp M . Vp/ρ ANSWER DOWNLOAD EXAMIANS APP
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 = dp Sp/Vp Φs = 6 Vp/dp sp Φs = 6 dp Sp/Vp Φs = Vp/dp sp Φs = dp Sp/Vp Φs = 6 Vp/dp sp Φs = 6 dp Sp/Vp Φs = Vp/dp sp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Grinding element & the housing Feed particles Both A & B Neither A nor B Grinding element & the housing Feed particles Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gold ore concentration is mostly done using Jigging Froth floatation Elutriation Tabling Jigging Froth floatation Elutriation Tabling ANSWER DOWNLOAD EXAMIANS APP
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