Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Requires more energy Complicates handling of the product Increases capacity Gives less wear on chamber walls Requires more energy Complicates handling of the product Increases capacity Gives less wear on chamber walls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 2/D.p 12/D.p 4/D.p 6/D.p 2/D.p 12/D.p 4/D.p 6/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fluid energy mill comes in the category of Ultrafine grinder Grinder Cutter Crusher Ultrafine grinder Grinder Cutter Crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill All of these Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls All of these Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Both A & B Cage Hammer Neither A nor B Both A & B Cage Hammer Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process. Frother Conditioner Collector Depressor Frother Conditioner Collector Depressor ANSWER DOWNLOAD EXAMIANS APP
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