When a double ended ranging drum shearer cuts coal in a longwall face,
A. both the drums rotate in the same direction keeping the front drum up and the rear drum down
B. both the drums rotate in the opposite direction keeping the front drum up and the rear drum down
C. both the drums rotate in the opposite direction keeping the front drum down and the rear drum up
D. both the drums rotate in the same direction keeping the front drum down and the rear drum up
Answer: Option B
This Question Belongs to Mining Engineering >> Introduction To Mining Engineering
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