Q183
In a surface mine blast, the peak particle velocity (V in mm/s) is estimated from the equation V = 120 ( SD )^ - 1.0, where SD is square root scaled distance. If at a distance of 100 m from the blast site the permissible peak particle velocity is 25 mm/s, the maximum charge per delay in kg is
In a surface mine blast, the peak particle velocity (V in mm/s) is estimated from the equation where SD is square root scaled distance. If at a distance of 100 m from the blast site the permissible peak particle velocity is 25 mm/s, the maximum charge per delay in kg is
A.
404
B.
414
C.
434
AnswerD.
464
Answer: Option C
Solution
Answer: Option C
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