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This question belongs to Mining Engineering Mine Legislation And General Safety

Mine Legislation and General Safety

?

In third degree gassy mines, velocity of air to be measured 4.5 meters from any face whether working or discontinued on the intake side of the brattice or partition the velocity of air is . . . . . . . . m/min.

A) 15 B) 25 C) 45 D) 30

Answer & Solution

Correct Answer: Option C

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Question posted by Examveda

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