Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). Dp 1/D²p D²p 1/Dp Dp 1/D²p D²p 1/Dp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 75-80 40-50 90-95 43835 75-80 40-50 90-95 43835 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 A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is 0.6 0.4 0.1 None of these 0.6 0.4 0.1 None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shape factor for a cylinder whose length equals its diameter is 0.5 1.5 2.0 1.0 0.5 1.5 2.0 1.0 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 50 to 100 5 to 25 0.2 to 0.8 100 to 250 50 to 100 5 to 25 0.2 to 0.8 100 to 250 ANSWER DOWNLOAD EXAMIANS APP
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