Mechanical Operations In case of grinding in a ball mill All of these Grinding cost and power requirement increases with increasing fineness of the products Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding All of these Grinding cost and power requirement increases with increasing fineness of the products Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.5 0.58 0.62 0.68 0.5 0.58 0.62 0.68 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation? Toggles Jaw plates Crush shaft Check plates Toggles Jaw plates Crush shaft Check plates 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 Capacity of centrifuge is increased Linear speed of the basket is halved Centrifugal force is doubled Linear speed of the basket is doubled Capacity of centrifuge is increased Linear speed of the basket is halved Centrifugal force is doubled ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream. Classifier Strainer Clarifier Thickener Classifier Strainer Clarifier Thickener ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Size Density separation Volatile matter content Differential wettability Size Density separation Volatile matter content Differential wettability ANSWER DOWNLOAD EXAMIANS APP
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