The process of under water mining of sand, clay, tin and placer deposits of gold is known as . . . . . . . .
A. Placer mining
B. Dredging
C. Leaching
D. Hydraulicking
Answer: Option B
This Question Belongs to Mining Engineering >> Metal Mining
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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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