Mechanical Operations Which of the following may prove unsuitable for filtering volatile liquids? Gravity filter Pressure filter Vacuum filter Centrifugal filter Gravity filter Pressure filter Vacuum filter Centrifugal filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Flight conveyor Both B and C Bucket conveyor Screw conveyor Flight conveyor Both B and C Bucket conveyor Screw conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size ) C/s S . c 1/s . c S/c C/s S . c 1/s . c S/c ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Sand bed filter Plate and frame filter press Batch basket centrifuge Vacuum filter Sand bed filter Plate and frame filter press Batch basket centrifuge Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction mechanism used in Jaw crushers is Cutting Attrition Impact Compression Cutting Attrition Impact Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 0.5 1 ∞ 0.5 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
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