Mechanical Operations Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is >100 >10 >100 >10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Reducing the filtration pressure Deplugging the filter medium Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Deplugging the filter medium Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Produces mainly axial flow All of these Is used for mixing high viscosity pastes Runs at very slow speed (2 rpm) Produces mainly axial flow All of these Is used for mixing high viscosity pastes Runs at very slow speed (2 rpm) ANSWER DOWNLOAD EXAMIANS APP
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 The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the __________ of the belt. Speed Thickness None of these Length Speed Thickness None of these Length ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Separation efficiency Concentration ratio None of these Selectivity index Separation efficiency Concentration ratio None of these Selectivity index ANSWER DOWNLOAD EXAMIANS APP
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