The maximum length: diameter ratio used in VCR mining is . . . . . . . .
A. 4 : 1
B. 6 : 1
C. 1 : 6
D. 1 : 4
Answer: Option B
A. 4 : 1
B. 6 : 1
C. 1 : 6
D. 1 : 4
Answer: Option B
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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