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This question belongs to Mining Engineering Drilling And Blasting

Drilling and Blasting

?

The increase in quantity of air due to expansion in the up cast shaft can be roughly taken as . . . . . . . .

A) 1% for every 15 m B) 5% for every 100 m C) 1% for every 100 m D) 1% for every 50 m

Answer & Solution

Correct Answer: Option C

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Question posted by Examveda

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