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 Sedimentation Decantation Clarification Classification Sedimentation Decantation Clarification Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ D N ∝ 1/D N ∝ 1/√D N ∝ √D N ∝ D N ∝ 1/D N ∝ 1/√D N ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Alloy steel Lead Forged/cast steel Cast iron Alloy steel Lead Forged/cast steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the follwoing mechanical conveyors does not come under the division 'scrapers'? Drag conveyor Bucket elevators Flight conveyor Ribbon conveyor Drag conveyor Bucket elevators Flight conveyor Ribbon conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Neither A nor B Hammer Cage Both A & B Neither A nor B Hammer Cage Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Basic slag is not ground in Ball mills Tube mills Compartment mills Jaw crushers Ball mills Tube mills Compartment mills Jaw crushers ANSWER DOWNLOAD EXAMIANS APP