Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Precoat filter Disc-bowl centrifuge Sharpies supercentrifuge Sparkler filter Precoat filter Disc-bowl centrifuge Sharpies supercentrifuge Sparkler filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Suspending solid particles Blending of immiscible liquids Dispersing gas in liquid Dispersing immiscible liquid in form of emulsion Suspending solid particles Blending of immiscible liquids Dispersing gas in liquid Dispersing immiscible liquid in form of emulsion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's crushing law states that 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 Work required in crushing is proportional to the new surface created ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Decreasing machine capacity Decreasing size of product at constant size of feed None of these Increasing size of feed at constant reduction ratio Decreasing machine capacity Decreasing size of product at constant size of feed None of these Increasing size of feed at constant reduction ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Constant pressure Varying rate Varying pressure Constant rate Constant pressure Varying rate Varying pressure Constant rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 50 500 100 1 50 500 100 1 ANSWER DOWNLOAD EXAMIANS APP
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