Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Separation efficiency Selectivity index Concentration ratio None of these Separation efficiency Selectivity index Concentration ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocal of sphericity is termed as the Sauter diameter Specific surface ratio Shape factor Surface area per unit mass Sauter diameter Specific surface ratio Shape factor Surface area per unit mass ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following must be stored in silos and not in open yard? High V.M. bituminous coal Coke breeze None of these Sand High V.M. bituminous coal Coke breeze None of these Sand ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. 5000 50 5 500 5000 50 5 500 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 In paint industries, blending of light paste is done by using a Charge can mixer Masticator None of these Kneader Charge can mixer Masticator None of these Kneader ANSWER DOWNLOAD EXAMIANS APP
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