Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 8 to 10 15 to 20 3 to 4 10 to 15 8 to 10 15 to 20 3 to 4 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Requires more energy Complicates handling of the product Gives less wear on chamber walls Increases capacity Requires more energy Complicates handling of the product Gives less wear on chamber walls Increases capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Highly viscous liquids & pastes are agitated by Multiple blade paddles Turbine agitators Propellers None of these Multiple blade paddles Turbine agitators Propellers None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials into products based on the difference of their sizes is called Sizing Sorting Classification Flocculation Sizing Sorting Classification Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.33-1.45 1.5-2.5 0.5-2 0.33-0.45 1.33-1.45 1.5-2.5 0.5-2 0.33-0.45 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 doubled Linear speed of the basket is halved Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is doubled Linear speed of the basket is halved Capacity of centrifuge is increased Centrifugal force is doubled ANSWER DOWNLOAD EXAMIANS APP
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