Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Decantation Sedimentation Classification Clarification Decantation Sedimentation Classification Clarification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Two particles are called to be equal settling, if they are having the same. None of these Specific gravity Size Terminal velocities in the same fluid & in the same field of force None of these Specific gravity Size Terminal velocities in the same fluid & in the same field of force ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ √ΔP ∝ 1/ ΔP Independent of ΔP ∝ ΔP ∝ √ΔP ∝ 1/ ΔP Independent of ΔP ∝ ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a batch sedimentation equipment? Filter thickener Dry cyclone separator Rotary sprayer scrubber Dust catcher Filter thickener Dry cyclone separator Rotary sprayer scrubber Dust catcher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a revolving/tumbling mill used for size reduction? Cage mill Rod mill Pebble mill Compartment mill Cage mill Rod mill Pebble mill Compartment mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). Dp 1/Dp 1/D²p D²p Dp 1/Dp 1/D²p D²p ANSWER DOWNLOAD EXAMIANS APP
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