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Mining Engineering · Q58

Mine Development and Mining Methods

Engineering and GATE · Mining Engineering · question 58

Q58

What is the purpose of a "grizzly" in an underground loading system?

A.
Rock fragmentation
B.
Ore crushing
C.
Sizing oversized material
Answer
D.
Haulage automation

Answer: Option C

Solution

Answer: Option C
Solution:
Grizzly is a coarse screen at ore passes or chutes to block oversized material.The correct answer is: Sizing oversized materialPrevents large boulders from jamming crushers or loading equipment.Improves downstream efficiency.