Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 9.0 kWh/ton 18 kWh/ton 25.4 kWh/ton 6.35 kWh/ton 9.0 kWh/ton 18 kWh/ton 25.4 kWh/ton 6.35 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Electrical energy consumed by a jaw crusher is not a function of the Average feed size Machine capacity None of these Average product size Average feed size Machine capacity None of these Average product size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fick's law relates to Feed size Energy consumption None of these Final particle size Feed size Energy consumption None of these Final particle size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the Bradford's breaker Cage mill Blake jaw crusher Stamp mill Bradford's breaker Cage mill Blake jaw crusher Stamp mill 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 = Vp/dp sp Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = dp Sp/Vp Φs = Vp/dp sp Φs = 6 dp Sp/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a Ball mill Gyratory crusher Hammer crusher Roll crusher Ball mill Gyratory crusher Hammer crusher Roll crusher ANSWER DOWNLOAD EXAMIANS APP
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