Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Small lumpy (e.g. grains and sand) Free flowing Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) Free flowing Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In classification, particles are said to be equal settling, if they have the same terminal velocities in the Different fluids Same field of force Both B and C Same fluid Different fluids Same field of force Both B and C Same fluid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Forged/cast steel Cast iron Alloy steel Lead Forged/cast steel Cast iron Alloy steel Lead ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gravity settling process is not involved in the working of a Classifier Sedimentation tank Hydrocyclone Dorr-thickener Classifier Sedimentation tank Hydrocyclone Dorr-thickener ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are mixed using ribbon blenders. Thick pastes High viscosity liquids Lumpy solids and low viscosity liquids Dry powders Thick pastes High viscosity liquids Lumpy solids and low viscosity liquids Dry powders 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 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 3.6 A.V.ρ 3.6 AVS/ρ ANSWER DOWNLOAD EXAMIANS APP