Mechanical Operations Which of the following is not categorised as a "mechanical operation"? Humidification Size enlargement Agitation Filtration Humidification Size enlargement Agitation Filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Sedimentation Flocculation Clarification Classification Sedimentation Flocculation Clarification Classification 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)²p (S/V)f (S/V)p √(S/V)p (S/V)²p (S/V)f (S/V)p √(S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Speed of the centrifuge Centrifugal pressure exerted by the liquid Formation of highly porous cake Narrow diameter of the vessel Speed of the centrifuge Centrifugal pressure exerted by the liquid Formation of highly porous cake Narrow diameter of the vessel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Calcium carbonate Cresylic acid Copper sulphate Sodium carbonate Calcium carbonate Cresylic acid Copper sulphate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Diatomaceous earth is a/an Filter medium Explosive Catalyst Filter aid Filter medium Explosive Catalyst Filter aid ANSWER DOWNLOAD EXAMIANS APP
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