Introduction To Mining Engineering - Study Mode
[#361] In the order of the chronological development, the longwall support systems are arranged as P Powered support Q Link bar and friction support R Frame support S Hydraulic support
Correct Answer
(B) R > S > Q > P
[#362] Water bearance of Indian coal seam is
Correct Answer
(D) Moderate
[#363] Which of the following support has maximum linear progress?
Correct Answer
(C) Roof bolt
[#364] Every ladder way used in a mine shall project above the mouth of at least
Correct Answer
(A) 1.0m
[#365] Which of the following is most difficult in opening up an opencast mine?
Correct Answer
(A) Land area acquisition and rehabilitation