Mechanical Operations The crushed material received for separation is called feed or Concentrate Heading Middling Tailing Concentrate Heading Middling Tailing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a coarse crusher? Gyratory crusher Toothed roll crusher Smooth roll crusher Tube mill Gyratory crusher Toothed roll crusher Smooth roll crusher Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the Flocculation Coagulation Clarification Sedimentation Flocculation Coagulation Clarification Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Electrostatic precipitator Bag filter Cyclone separator Wet scrubber Electrostatic precipitator Bag filter Cyclone separator Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the 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 needed to crush one tonne of feed to 200 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 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 needed to crush one tonne of feed to 200 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations increasing the capacity of a screen __________ the screen effectiveness. None of these Does not effect Decreases Increases None of these Does not effect Decreases Increases ANSWER DOWNLOAD EXAMIANS APP