Mechanical Operations Filtration of water in a paper mill is done by a/an __________ filter. Open sand Plate and frame Vacuum leaf Sparkler Open sand Plate and frame Vacuum leaf Sparkler ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following terminology is not used for size reduction of materials to fine sizes or powders? Comminution Pulverisation Dispersion Compression Comminution Pulverisation Dispersion Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Increases linearly Decreases Remains constant Increases Increases linearly Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ balls capable of grinding the feed in a ball mill gives the maximum efficiency. Minimum size Maximum size Cast iron Elliptical Minimum size Maximum size Cast iron Elliptical ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2/μ: Reynold's number N is the impeller rotational speed, and D is the impeller diameter. Po ∝ Re0.0 Po ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.5 Po ∝ Re0.0 Po ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its High power consumption in grinding None of these Poor grindability Easier grindability High power consumption in grinding None of these Poor grindability Easier grindability ANSWER DOWNLOAD EXAMIANS APP
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