Q
Rod mills employed for grinding_________________?
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A
A. Employ a steel shell having l/d ratio of 1.5 to 3.0
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B
B. Is useful for handling sticky materials
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C
C. Employ steel rods of 2-12 cms diameter extending over full length of the mill
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D
D. All a , b & c
Correct Answer:
D. D. All a , b & c