Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Decreases Increases Is not affected Increases linearly Decreases Increases Is not affected Increases linearly 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? Plate and frame filter press Vacuum filter Sand bed filter Batch basket centrifuge Plate and frame filter press Vacuum filter Sand bed filter Batch basket centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Has a higher diameter/length ratio Produces a coarser product Uses much larger balls Has a higher length/diameter ratio Has a higher diameter/length ratio Produces a coarser product Uses much larger balls Has a higher length/diameter ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Dp/Df Df/Dp Df - Dp None of these Dp/Df Df/Dp Df - Dp None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is not a revolving mill. Tube Cage Pebble Compartment Tube Cage Pebble Compartment ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Shape Specific gravities Wettability None of these Shape Specific gravities Wettability ANSWER DOWNLOAD EXAMIANS APP