Mechanical Operations A tube mill compared to a ball mill Uses much larger balls Has a higher diameter/length ratio Produces a coarser product Has a higher length/diameter ratio Uses much larger balls Has a higher diameter/length ratio Produces a coarser product Has a higher length/diameter ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is 1 None of these ?2 1.5 1 None of these ?2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Increases Increases linearly Is not affected Decreases Increases Increases linearly Is not affected Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Rate of filtration increases with time Rate of filtration is constant Rate of filtration decreases with time Resistance decreases with time Rate of filtration increases with time Rate of filtration is constant Rate of filtration decreases with time Resistance decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Carbon black is pulverised in a Gyratory crusher Hammer crusher Roll crusher Ball mill Gyratory crusher Hammer crusher Roll crusher Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for the transportation of 200 mesh size particles is a Screw conveyor Bucket elevator Belt conveyor Pneumatic conveyor Screw conveyor Bucket elevator Belt conveyor Pneumatic conveyor ANSWER DOWNLOAD EXAMIANS APP
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