Raise driving by use of jora hoist to drive mechanised raising upto . . . . . . . . m long raises.
A. 50
B. 70
C. 80
D. 100
Answer: Option D
Related Questions on Metal Mining
A. Chip sampling
B. Channel
C. Bulk
D. Radio metre
The ore loaded in shrinkage stoping by . . . . . . . .
A. Over head mucker
B. Pneumatic Auto Loader
C. LHD
D. None
If the ore body is thicker, the level interval will be . . . . . . . .
A. More
B. Lessor
C. Stronger
D. Weaker
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