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Mining Engineering · Q255

Mine Development and Mining Methods

Engineering and GATE · Mining Engineering · question 255

Q255

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

A.
Increase drilling speed
B.
Filter oversized rocks
Answer
C.
Store explosives
D.
Prevent water inflow

Answer: Option B

Solution

Answer: Option B
Solution:
Grizzly is a grate or screen at the top of an ore pass.The correct answer is: Filter oversized rocksPrevents oversized material from blocking ore flow.Often combined with a rock breaker.