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Mining Engineering · Q64

Mine Supports and Strata Control

Engineering and GATE · Mining Engineering · question 64

Q64

What is an under set prop.

A.
Prop which is so set that its axis is in between vertical and normal to seam
Answer
B.
Prop tightned from bottom
C.
Prop less than 1.5 m length
D.
Prop which does not take lead, it was supposed to take

Answer: Option A

Solution

Answer: Option A
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