Mechanical Operations A tube mill as compared to a ball mill 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake None of these Remain constant Decreases Increases None of these Remain constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reduction ratio of crushers is the Determining factor for minimum dia of the feed and the product Ratio of feed opening to discharge opening Ratio of discharge opening to feed opening None of these Determining factor for minimum dia of the feed and the product Ratio of feed opening to discharge opening Ratio of discharge opening to feed opening None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is 2250 460 230 1125 2250 460 230 1125 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 75-80 43835 40-50 90-95 75-80 43835 40-50 90-95 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Vibrating screen Trommel Shaking screen Grizzly Vibrating screen Trommel Shaking screen Grizzly ANSWER DOWNLOAD EXAMIANS APP