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This question belongs to Mining Engineering Opencast Mining

Opencast Mining

?

In the operation of high wall miner, in the event of methane level concentration exceeds . . . . . . . .% it will trip the electric supply feeding to the outter unit.

A) 0.75% B) 1.25% C) 1.30% D) 1.50%

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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