Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 3.34 Wi 1.34 Wi Wi 0.5 Wi 3.34 Wi 1.34 Wi Wi 0.5 Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter. Drying All of these Washing Filtering Drying All of these Washing Filtering ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill Wet grinding achieves a finer product size than dry grinding Grinding cost and power requirement increases with increasing fineness of the products Its capacity decreases with increasing fineness of the products All of these Wet grinding achieves a finer product size than dry grinding Grinding cost and power requirement increases with increasing fineness of the products Its capacity decreases with increasing fineness of the products All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 100 50 1 500 100 50 1 500 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following must be stored in silos and not in open yard? High V.M. bituminous coal None of these Coke breeze Sand High V.M. bituminous coal None of these Coke breeze Sand ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The change in volume due to crushing None of these The size reduction ratio The new surface created The change in volume due to crushing None of these The size reduction ratio The new surface created ANSWER DOWNLOAD EXAMIANS APP
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