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 AVS/ρ 3.6 A.S. ρ 3.6 AVS.ρ 3.6 A.V.ρ 3.6 AVS/ρ 3.6 A.S. ρ 3.6 AVS.ρ 3.6 A.V.ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)? Flat blade turbine Curved blade turbine Helical screw Propeller Flat blade turbine Curved blade turbine Helical screw Propeller ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a grinding operation, the limiting particle size is the size of the __________ particle in the sample. Smallest Neither A nor B Largest Either A or B Smallest Neither A nor B Largest Either A or B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). (S/V)f √(S/V)p (S/V)p (S/V)²p (S/V)f √(S/V)p (S/V)p (S/V)²p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is 0.5 1 √3 √2 0.5 1 √3 √2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding characteristic of a material is given by its Abrasion index HGI Angle of repose Shatter index Abrasion index HGI Angle of repose Shatter index ANSWER DOWNLOAD EXAMIANS APP
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