Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Shape Specific gravities Wettability None of these Shape Specific gravities Wettability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for fine grinders is 44124 43961 As high as 100 20-40 44124 43961 As high as 100 20-40 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grindability of a material does not depend upon its Toughness Elasticity Hardness Size Toughness Elasticity Hardness Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is >10 >100 >10 >100 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np ∝ 1/NRe Np ∝ √NRe Np ∝ NRe Np → constant Np ∝ 1/NRe Np ∝ √NRe Np ∝ NRe Np → constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a Sparkler filter Batch basket centrifuge Sharpies supercentrifuge Disc bowl centrifuge Sparkler filter Batch basket centrifuge Sharpies supercentrifuge Disc bowl centrifuge ANSWER DOWNLOAD EXAMIANS APP
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