Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Brinkman Peclet Schmidt Weber Brinkman Peclet Schmidt Weber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For the preliminary breaking of hard rock, we use a Ball mill Squirrel-cage disintegrator Tube mill Gyratory crusher Ball mill Squirrel-cage disintegrator Tube mill Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Toothed roll crushers achieve size reduction by Impact and attrition Neither A nor B Both A & B Tearing (shear) and compression Impact and attrition Neither A nor B Both A & B Tearing (shear) and compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Uses much larger balls Produces a coarser product Has a higher diameter/length ratio Has a higher length/diameter ratio Uses much larger balls Produces a coarser product Has a higher diameter/length ratio Has a higher length/diameter ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The crushed material received for separation is called feed or Tailing Concentrate Heading Middling Tailing Concentrate Heading Middling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A. __________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end. Tube Pebble Compartment Rod Tube Pebble Compartment Rod ANSWER DOWNLOAD EXAMIANS APP