Mechanical Operations If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the Dispersion Sedimentation Centrifugation Flocculation Dispersion Sedimentation Centrifugation Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)? Flat blade turbine Propeller Curved blade turbine Helical screw Flat blade turbine Propeller Curved blade turbine Helical screw 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. 500 5 5000 50 500 5 5000 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy consumed by a ball mill depends on All of these Its speed Its ball load The density of the material being ground All of these Its speed Its ball load The density of the material being ground ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 1 4.34 0.5 1.34 1 4.34 0.5 1.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fick's law relates to Energy consumption Final particle size Feed size None of these Energy consumption Final particle size Feed size None of these ANSWER DOWNLOAD EXAMIANS APP
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