Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). D²p 1/Dp Dp 1/D²p D²p 1/Dp Dp 1/D²p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? Fluid energy mill Micronizer All of these Jet mills Fluid energy mill Micronizer All of these Jet mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cyclones are used primarily for separating Liquids Solids from solids Solids from fluids Solids Liquids Solids from solids Solids from fluids Solids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Runs at very slow speed (2 rpm) Produces mainly axial flow Is used for mixing high viscosity pastes All of these Runs at very slow speed (2 rpm) Produces mainly axial flow Is used for mixing high viscosity pastes All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing mechanism employed in a pan mixer is by Dispersion None of these Kneading Mulling Dispersion None of these Kneading Mulling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Selectivity index Concentration ratio Separation efficiency None of these Selectivity index Concentration ratio Separation efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
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