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Mining Engineering · Q99

Mine Development and Mining Methods

Engineering and GATE · Mining Engineering · question 99

Q99

What is the role of a grizzly in an underground ore pass system?

A.
Rock crushing
B.
Moisture control
C.
Separation of oversize rock
Answer
D.
Conveying fine ore

Answer: Option C

Solution

Answer: Option C
Solution:
Grizzly is a grid or grate placed over ore passes or bins.The correct answer is: Separation of oversize rockIt prevents large boulders from blocking chutes.Oversize is then broken manually or by hydraulic hammers.