Machine-translated by Google. Questions are authored in English.
Top

Discussion

Selective quarrying means

  • A.working different parts of the face to control the chemistry of the feed
  • B.quarrying only during the drier months of the year in order to keep costs down
  • C.extracting only the stone that lies nearest to the primary crusher
  • D.removing the whole of the overburden before any blasting is begun

Answer: A

Where a deposit varies, benches of differing composition can be worked in proportion to give a consistent blend. It is a cheaper way of controlling chemistry than buying corrective materials, and it extends the useful life of a variable deposit.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.