Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Classification Decantation Sedimentation Clarification Classification Decantation Sedimentation Clarification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Alloy steel Forged/cast steel Cast iron Lead Alloy steel Forged/cast steel Cast iron Lead ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. Less than Slightly more than Much more than At least equal to Less than Slightly more than Much more than At least equal to 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 Wet scrubber Bag filter Cyclone separator Electrostatic precipitator Wet scrubber Bag filter Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which one is a filter aid? Calcined lime Convas fabric None of these Diatomaceous earth Calcined lime Convas fabric None of these Diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wheat is ground into flour in a Hammer crusher Fluid energy mill Roller crusher Impact mill Hammer crusher Fluid energy mill Roller crusher Impact mill ANSWER DOWNLOAD EXAMIANS APP