Q78
The pressure on diamonds is between during drilling
A.
0.6 - 1.2 Kgf/cm2
B.
1.5 - 2 Kgf/cm2
AnswerC.
2.5 - 3.8 Kgf/cm2
D.
3.8 - 6 Kgf/cm2
Answer: Option B
Solution
Answer: Option B
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