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 Clarification Classification Decantation Sedimentation Clarification Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Kick's law Bond's law None of these Rittinger's law Kick's law Bond's law None of these Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size ) S . c 1/s . c S/c C/s S . c 1/s . c S/c C/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is the most suitable conveyor for transportation of sticky material? Pneumatic conveyor Screw conveyor Belt conveyor Apron conveyor Pneumatic conveyor Screw conveyor Belt conveyor Apron conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for handling fibrous and dense slurries? Propeller agitator Cone type agitator Turbine agitator Radial propeller agitator Propeller agitator Cone type agitator Turbine agitator Radial propeller agitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). √(S/V)p (S/V)f (S/V)²p (S/V)p √(S/V)p (S/V)f (S/V)²p (S/V)p ANSWER DOWNLOAD EXAMIANS APP
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