Mechanical Operations Which of the following may prove unsuitable for filtering volatile liquids? Centrifugal filter Pressure filter Gravity filter Vacuum filter Centrifugal filter Pressure filter Gravity filter Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The crushed material received for separation is called feed or Tailing Middling Heading Concentrate Tailing Middling Heading Concentrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? Dry grindng of large particles in un-baffed mills Wet grinding in low viscous suspension Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in low viscous suspension Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen efficiency is Recovery/rejection Recovery Rejection None of these Recovery/rejection Recovery Rejection None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process by which fine solids is removed from liquids is termed as Flocculation Classification Sedimentation Decantation Flocculation Classification Sedimentation Decantation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filtrate flow rate in constant pressure filtration Remains constant throughout May increase or decrease ; depends on the pressure Continuously decreases Continuously increases Remains constant throughout May increase or decrease ; depends on the pressure Continuously decreases Continuously increases ANSWER DOWNLOAD EXAMIANS APP
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