Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Specific gravities Shape Wettability None of these Specific gravities Shape Wettability None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During filtration operation, the filtrate encounters the resistance of the All of these Cake Filter medium Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium All of these Cake Filter medium Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process by which fine solids is removed from liquids is termed as Flocculation Decantation Sedimentation Classification Flocculation Decantation Sedimentation Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). (S/V)f (S/V)²p √(S/V)p (S/V)p (S/V)f (S/V)²p √(S/V)p (S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a wet classifier? Sharpies supercentrifuge Hydrocyclones Dorr Oliver rake classifier None of these Sharpies supercentrifuge Hydrocyclones Dorr Oliver rake classifier None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rod mills employed for grinding Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these Employ a steel shell having L/D ratio of 1.5 to 3.0 Is useful for handling sticky materials Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these Employ a steel shell having L/D ratio of 1.5 to 3.0 Is useful for handling sticky materials ANSWER DOWNLOAD EXAMIANS APP
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