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MCQs
Total Questions : 5
Question 1.
What is a material that is put inside of a blast hole to help prevent gases from escaping.
Drilling
Blasting
Stemming
Mining
See Solution
Discuss Question
Answer: Option C. ->
Stemming
Question 2.
In which process nonel technology generates less vibration.
Burden
Blasting
Stemming
Mining
See Solution
Discuss Question
Answer: Option B. ->
Blasting
Question 3.
Distance from the free face to the first line of the holes is known as ?
Burden
Blasting
Stemming
Drilling
See Solution
Discuss Question
Answer: Option A. ->
Burden
Question 4.
Sub-grade drilling should be approx. % of the bench height.
8 %
10 - 11%
12 -14%
14%
See Solution
Discuss Question
Answer: Option B. ->
10 - 11%
Question 5.
Nonel is which type detonator designed to initiate explosions.
Short tube
Long Tube
shock tube
all
See Solution
Discuss Question
Answer: Option C. ->
shock tube
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