Drilling And Blasting - Study Mode
[#601] Access to the deposit situated deep in depth.
Correct Answer
(D) Shaft
[#602] Weight of self rescuer is
Correct Answer
(C) 1 kg
[#603] The design of pit top and pit bottom layouts done basing on the following objects.
Correct Answer
Use of shaft full capacity
[#604] Which of the following is not dependent on efficient breaking of rock?
Correct Answer
(C) type of exploder
[#605] Use of sharp picks, water sprays may reduce dust formation at the faces.
Correct Answer
(B) Yes