Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) Vp/m . ρ M/ρ . Vp M . Vp/ρ M . ρ/Vp Vp/m . ρ M/ρ . Vp M . Vp/ρ M . ρ/Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? Jet mills Micronizer All of these Fluid energy mill Jet mills Micronizer All of these Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³) 3.6 A.S. ρ 3.6 AVS/ρ 3.6 AVS.ρ 3.6 A.V.ρ 3.6 A.S. ρ 3.6 AVS/ρ 3.6 AVS.ρ 3.6 A.V.ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In bag filters, filter fabrics are never made of Metallic wire woven mesh Nylon fibres Polyester fibres Cotton fibres Metallic wire woven mesh Nylon fibres Polyester fibres Cotton fibres ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) None of these π(=A/D²) AD/V π/6(=V/D³) None of these π(=A/D²) AD/V π/6(=V/D³) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Carbon black is pulverised in a Roll crusher Gyratory crusher Ball mill Hammer crusher Roll crusher Gyratory crusher Ball mill Hammer crusher ANSWER DOWNLOAD EXAMIANS APP
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