The inclinatin of water gauge is conveniently adjusted to . . . . . . . . as the sine of that angle is . . . . . . . .
A. 5°; 1
B. 5° 441 1; 0.1
C. 4° 541; 0.2
D. 3° 541 1; 0.3
Answer: Option B
This Question Belongs to Mining Engineering >> Mine Ventilation
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The mechanical mixture of gases existing in a mine given off after explosion called
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