Mechanical Operations For the preliminary breaking of hard rock, we use a Tube mill Squirrel-cage disintegrator Ball mill Gyratory crusher Tube mill Squirrel-cage disintegrator Ball mill Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to None of these The new surface created The size reduction ratio The change in volume due to crushing None of these The new surface created The size reduction ratio The change in volume due to crushing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Precoat filter Disc-bowl centrifuge Sparkler filter Sharpies supercentrifuge Precoat filter Disc-bowl centrifuge Sparkler filter Sharpies supercentrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by Φs = 6 Vp/dp sp Φs = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = Vp/dp sp Φs = 6 Vp/dp sp Φs = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = Vp/dp sp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For coarse reduction of hard solids, use Compression Cutting Attrition Impact Compression Cutting Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 6/D.p 12/D.p 4/D.p 2/D.p 6/D.p 12/D.p 4/D.p 2/D.p ANSWER DOWNLOAD EXAMIANS APP
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