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 Work index is defined as the Energy needed to crush one ton of feed to 100 microns Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one ton of feed to 100 microns Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Neither A nor B Reduction ratio Both A & B Differential roll speed Neither A nor B Reduction ratio Both A & B Differential roll speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Separation efficiency Selectivity index None of these Concentration ratio Separation efficiency Selectivity index None of these Concentration ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Runs at very slow speed (2 rpm) All of these Is used for mixing high viscosity pastes Produces mainly axial flow Runs at very slow speed (2 rpm) All of these Is used for mixing high viscosity pastes Produces mainly axial flow ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shape factor for a cylinder whose length equals its diameter is 1.5 2.0 1.0 0.5 1.5 2.0 1.0 0.5 ANSWER DOWNLOAD EXAMIANS APP
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