Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. None of these Selectivity index Concentration ratio Separation efficiency None of these Selectivity index Concentration ratio Separation efficiency ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines? Tube mill Pebble mill Rod mill Compartment mill Tube mill Pebble mill Rod mill Compartment mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a continuous filter? Cartridge filter Plate and frame filter Shell and leaf filter None of these Cartridge filter Plate and frame filter Shell and leaf filter None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fluid medium used in the classification technique of mineral beneficiation is Water Both A & B Neither A nor B Air Water Both A & B Neither A nor B Air ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Square of rotational speed Viscosity of the liquid Density of the liquid Cube of impeller diameters Square of rotational speed Viscosity of the liquid Density of the liquid Cube of impeller diameters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Decreasing size of product at constant size of feed None of these Increasing size of feed at constant reduction ratio Decreasing machine capacity Decreasing size of product at constant size of feed None of these Increasing size of feed at constant reduction ratio Decreasing machine capacity ANSWER DOWNLOAD EXAMIANS APP
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