Q289
A PETN placed booster in a shot hole occupies only . . . . . . . . of total explosive change.
A.
1 - 2%
B.
2 - 3%
C.
15 - 20%
D.
30 - 40%
AnswerAnswer: Option D
Solution
Answer: Option D
No explanation is given for this question Let's Discuss on Board