Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. None of these Separation efficiency Concentration ratio Selectivity index None of these Separation efficiency Concentration ratio Selectivity index ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) Free flowing Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) Free flowing Fine (e.g. - 200 mesh size coal) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is the most suitable for separation of non-friable crystals. Disc-bowl Suspended batch basket Tubular bowl Perforated horizontal basket continuous Disc-bowl Suspended batch basket Tubular bowl Perforated horizontal basket continuous ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Electrical energy consumed by a jaw crusher is not a function of the Machine capacity Average feed size Average product size None of these Machine capacity Average feed size Average product size None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)? Helical screw Flat blade turbine Propeller Curved blade turbine Helical screw Flat blade turbine Propeller Curved blade turbine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocal of sphericity is termed as the Specific surface ratio Sauter diameter Shape factor Surface area per unit mass Specific surface ratio Sauter diameter Shape factor Surface area per unit mass ANSWER DOWNLOAD EXAMIANS APP
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