Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 100 to 250 0.2 to 0.8 5 to 25 50 to 100 100 to 250 0.2 to 0.8 5 to 25 50 to 100 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc British standard screens All of these American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc British standard screens All of these ANSWER DOWNLOAD EXAMIANS APP
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) M . Vp/ρ Vp/m . ρ M/ρ . Vp M . ρ/Vp M . Vp/ρ Vp/m . ρ M/ρ . Vp M . ρ/Vp 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 ∝ √NRe Np ∝ NRe Np → constant Np ∝ 1/NRe Np ∝ √NRe Np ∝ NRe Np → constant Np ∝ 1/NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fluid medium used in the classification technique of mineral beneficiation is Neither A nor B Air Water Both A & B Neither A nor B Air Water Both A & B ANSWER DOWNLOAD EXAMIANS APP
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
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