Mechanical Operations Rod mills employed for grinding Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a wet classifier? Hydrocyclones None of these Dorr Oliver rake classifier Sharpies supercentrifuge Hydrocyclones None of these Dorr Oliver rake classifier Sharpies supercentrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Both A and C Results in increased capacity Consumes less power Consumes more power Both A and C Results in increased capacity Consumes less power Consumes more power ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The controlling resistance in a rotary drum vacuum filter is the __________ resistance. Cake Piping None of these Filter medium Cake Piping None of these Filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the Both A & B Feed material Neither A nor B Type of crushing machine Both A & B Feed material Neither A nor B Type of crushing machine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its Poor grindability High power consumption in grinding Easier grindability None of these Poor grindability High power consumption in grinding Easier grindability None of these ANSWER DOWNLOAD EXAMIANS APP
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