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Civil Engineering Mcqs

In compressed air tunneling, the volume of free air provided is______________?

 (A)  6 mJ per second per m2 of face area

 (B)  6 m3 per minute per m2 of face area

 (C)  20 m3 per minute per m2 of face area

 (D)  6 m3 per hour per m2 of face area

Submitted By :Ali Uppal

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