Mechanical Operations Which of the following is not a revolving/tumbling mill used for size reduction? Pebble mill Rod mill Cage mill Compartment mill Pebble mill Rod mill Cage mill Compartment mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing. Ultrafine Primary Fine Secondary Ultrafine Primary Fine Secondary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Xanthates are used in the froth floatation process as a/an Activator Collector Conditioner Frother Activator Collector Conditioner Frother ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 3.34 Wi 1.34 Wi Wi 0.5 Wi 3.34 Wi 1.34 Wi Wi 0.5 Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy consumed by a ball mill depends on The density of the material being ground Its ball load Its speed All of these The density of the material being ground Its ball load Its speed All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). 6.V/D.S S/V V/D.S V/6D.S 6.V/D.S S/V V/D.S V/6D.S ANSWER DOWNLOAD EXAMIANS APP
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