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 Concentrate Heading Middling Tailing Concentrate Heading Middling Tailing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A belt conveyor used for the transportation of materials can Travel at a speed upto 300 metres/minute Handle materials upto 5000 tons/hr Run upto 1 km All of these Travel at a speed upto 300 metres/minute Handle materials upto 5000 tons/hr Run upto 1 km All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Has the dimension of length Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Is always less than 1 Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Has the dimension of length Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Is always less than 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills are termed as disintegrators. Compartment Cage Pebble All of these Compartment Cage Pebble All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is 460 1125 230 2250 460 1125 230 2250 ANSWER DOWNLOAD EXAMIANS APP