Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Separation efficiency Concentration ratio Selectivity index None of these Separation efficiency Concentration ratio Selectivity index None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a pressure filter? Leaf filter (Moore filter) Sand filter Plate and flame filter Rotary drum filter Leaf filter (Moore filter) Sand filter Plate and flame filter Rotary drum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator All of these Runs at very slow speed (2 rpm) Produces mainly axial flow Is used for mixing high viscosity pastes All of these Runs at very slow speed (2 rpm) Produces mainly axial flow Is used for mixing high viscosity pastes ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a continuous filter? None of these Shell and leaf filter Plate and frame filter Cartridge filter None of these Shell and leaf filter Plate and frame filter Cartridge filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A. __________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end. Rod Pebble Tube Compartment Rod Pebble Tube Compartment ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Screen size Surface area per unit mass Centimetre Micron Screen size Surface area per unit mass Centimetre Micron ANSWER DOWNLOAD EXAMIANS APP