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Mining Engineering · Q272

Drilling and Blasting

Engineering and GATE · Mining Engineering · question 272

Q272

Optimum rate of stone dusting in under ground coal mines is . . . . . . . .

A.
1 kg/ton of coal produced
B.
2.5 kg/ton of coal produced
Answer
C.
5 kg/ton of coal produced
D.
10 kg/ton of coal produced

Answer: Option B

Solution

Answer: Option B
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