Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ 1/√D N ∝ 1/D N ∝ D N ∝ √D N ∝ 1/√D N ∝ 1/D N ∝ D N ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The inlet pressure in a constant rate filtration None of these Decreases gradually Remains constant Increases continuously None of these Decreases gradually Remains constant Increases continuously ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m³) 3.6 W.V.ρ 3.6 W.D.V.ρ 3.6 D.V.ρ 3.6 W.D.V. 3.6 W.V.ρ 3.6 W.D.V.ρ 3.6 D.V.ρ 3.6 W.D.V. ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is Precoated on the filter medium prior to filtration Separated from the cake by dissolving solids or by burning it off All of these Added to the feed slurry Precoated on the filter medium prior to filtration Separated from the cake by dissolving solids or by burning it off All of these Added to the feed slurry ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface. Plane Ribbed Curved Either A or B Plane Ribbed Curved Either A or B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher? Fluid energy mill Ball mill Gyratory crusher Rod mill Fluid energy mill Ball mill Gyratory crusher Rod mill ANSWER DOWNLOAD EXAMIANS APP
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