Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Requires more energy Increases capacity Complicates handling of the product Gives less wear on chamber walls Requires more energy Increases capacity Complicates handling of the product Gives less wear on chamber walls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills are termed as impactors. Cage None of these Rolling-compression Hammer Cage None of these Rolling-compression Hammer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Froth floatation Thickening Clarification Classification Froth floatation Thickening Clarification Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of asbestos and mica is done by Rod mills Crushing rolls Gyratory crushers Hammer mills Rod mills Crushing rolls Gyratory crushers Hammer mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Linear speed of the basket is halved Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is doubled Linear speed of the basket is halved Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is doubled ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. Same as 2.5 times 10 times 5 times Same as 2.5 times 10 times 5 times ANSWER DOWNLOAD EXAMIANS APP
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