Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Selectivity index Concentration ratio None of these Separation efficiency Selectivity index Concentration ratio None of these Separation efficiency 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 Dispersion Flocculation Centrifugation Sedimentation Dispersion Flocculation Centrifugation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ conveyors are also called scrapers. Helical flight Both B & C Apron Screw Helical flight Both B & C Apron Screw ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A compressible cake has the Same porosity throughout the cake thickness None of these Maximum porosity at the upstream side Maximum porosity at the filter medium Same porosity throughout the cake thickness None of these Maximum porosity at the upstream side Maximum porosity at the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To produce talcum powder, use Ball mill Pin mill Jet mill Hammer mill Ball mill Pin mill Jet mill Hammer mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Metalliferrous ores Asbestos & mica Basic slags Non-metallic ores Metalliferrous ores Asbestos & mica Basic slags Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
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