Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Sharpies supercentrifuge Precoat filter Sparkler filter Disc-bowl centrifuge Sharpies supercentrifuge Precoat filter Sparkler filter Disc-bowl centrifuge 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 needed to crush one tonne of feed to 200 microns 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 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 needed to crush one tonne of feed to 200 microns 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 ton of feed to 100 microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not an industrial screening equipment? Trommel Vibrating screen Grizzly Sharpies centrifuge Trommel Vibrating screen Grizzly Sharpies centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m³ here, V =πN.D where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) 3.6 V.W.Dr/ρ 3.6 V.W. ρ 3.6 V.W.Dr.ρ 3.6 W.Dr.ρ 3.6 V.W.Dr/ρ 3.6 V.W. ρ 3.6 V.W.Dr.ρ 3.6 W.Dr.ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Jigging is a technique by which different particles can be Separated by particle shape Separated by particle density Separated by particle size Mixed Separated by particle shape Separated by particle density Separated by particle size Mixed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Specific gravities Shape None of these Wettability Specific gravities Shape None of these Wettability ANSWER DOWNLOAD EXAMIANS APP
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