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)p (S/V)²p (S/V)f √(S/V)p (S/V)p (S/V)²p (S/V)f √(S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface. Curved Plane Either A or B Ribbed Curved Plane Either A or B Ribbed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is 0.1 None of these 0.6 0.4 0.1 None of these 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased Screening becomes progressively easier None of these Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased Screening becomes progressively easier None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for British standard screens German standard screens (DIN 1171) etc American standard screens (ASTM and Tyler standard screens) All of these British standard screens German standard screens (DIN 1171) etc American standard screens (ASTM and Tyler standard screens) All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Chance process is used for the Concentration of iron ore Cleaning of coal Water treatment Concentration of pyrites Concentration of iron ore Cleaning of coal Water treatment Concentration of pyrites ANSWER DOWNLOAD EXAMIANS APP
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