Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Metalliferrous ores Basic slags Non-metallic ores Asbestos & mica Metalliferrous ores Basic slags Non-metallic ores Asbestos & mica ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloid mills achieve size reduction mainly by Compression Cutting Attrition Impact Compression Cutting Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process by which fine solids is removed from liquids is termed as Flocculation Sedimentation Decantation Classification Flocculation Sedimentation Decantation Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Helical screw agitator is used for Mixing liquids at very high temperature (> 250 °C) None of these Blending immiscible liquids Mixing highly viscous pastes Mixing liquids at very high temperature (> 250 °C) None of these Blending immiscible liquids Mixing highly viscous pastes 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. 5 50 500 5000 5 50 500 5000 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) S 1/μ All of these 1/R S 1/μ All of these 1/R ANSWER DOWNLOAD EXAMIANS APP
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