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.V.ρ 3.6 AVS/ρ 3.6 AVS.ρ 3.6 A.S. ρ 3.6 A.V.ρ 3.6 AVS/ρ 3.6 AVS.ρ 3.6 A.S. ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Asbestos Limestone Rubber Non-metallic ores Asbestos Limestone Rubber Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Classification Decantation Clarification Sedimentation Classification Decantation Clarification Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Gyratory crusher Ball mill Toothed roll crusher Tube mill Gyratory crusher Ball mill Toothed roll crusher Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). 6.V/D.S S/V V/D.S V/6D.S 6.V/D.S S/V V/D.S V/6D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Supporting legs of a plate and frame filter is normally made of High speed steel Wooden plank Cast iron Stainless steel High speed steel Wooden plank Cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS