Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Attrition Impact Cutting Compression Attrition Impact Cutting Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not an industrial screening equipment? Grizzly Trommel Vibrating screen Sharpies centrifuge Grizzly Trommel Vibrating screen Sharpies centrifuge 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)²p (S/V)f √(S/V)p (S/V)p (S/V)²p (S/V)f √(S/V)p (S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sulphuric acid mist is arrested by using a __________ scrubber. Packed wet Co-current Hollow wet Venturi Packed wet Co-current Hollow wet Venturi 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 0.6 0.4 None of these 0.1 0.6 0.4 None of these 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Energy needed to crush one ton of feed to 100 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one tonne of feed to 200 microns Energy needed to crush one ton of feed to 100 microns ANSWER DOWNLOAD EXAMIANS APP
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