Mechanical Operations Ultrafine grinders operate principally by Cutting action Slow compression Attrition Impact Cutting action Slow compression Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Operate at higher speed Can't be used for separation of fine suspended solids from a liquid Employ bowl of larger diameter Can not be operated under pressure/vacuum Operate at higher speed Can't be used for separation of fine suspended solids from a liquid Employ bowl of larger diameter Can not be operated under pressure/vacuum ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 70 50 35 85 70 50 35 85 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultra centrifuges are used for the separation of __________ solid particles. Colloidal Coarse Dissolved Fine Colloidal Coarse Dissolved Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's crushing law states that Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Disc-bowl centrifuge Precoat filter Sparkler filter Sharpies supercentrifuge Disc-bowl centrifuge Precoat filter Sparkler filter Sharpies supercentrifuge ANSWER DOWNLOAD EXAMIANS APP
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