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 Wi 3.34 Wi 0.5 Wi 1.34 Wi Wi 3.34 Wi 0.5 Wi 1.34 Wi 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 The unit of specific cake resistance is Cm/gm² Gm/gm Gm/cm² Cm/gm Cm/gm² Gm/gm Gm/cm² Cm/gm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Produces a coarser product Has a higher length/diameter ratio Has a higher diameter/length ratio Uses much larger balls Produces a coarser product Has a higher length/diameter ratio Has a higher diameter/length ratio Uses much larger balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles separation based on the difference in their flow velocities through fluids is termed as the Sedimentation Clarification Classification Elutriation Sedimentation Clarification Classification Elutriation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding characteristic of a material is given by its Angle of repose HGI Shatter index Abrasion index Angle of repose HGI Shatter index Abrasion index ANSWER DOWNLOAD EXAMIANS APP
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