Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) π/6(=V/D³) AD/V π(=A/D²) None of these π/6(=V/D³) AD/V π(=A/D²) None of these 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 dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = dp Sp/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultra centrifuges are used for the separation of __________ solid particles. Fine Coarse Dissolved Colloidal Fine Coarse Dissolved Colloidal ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloid mills achieve size reduction mainly by Cutting Impact Compression Attrition Cutting Impact Compression Attrition 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 >100 >10 >100 >10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.5 0.62 0.58 0.68 0.5 0.62 0.58 0.68 ANSWER DOWNLOAD EXAMIANS APP
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