Introduction To Mining Engineering - Study Mode
[#386] In degree II gassy seam the rate of gas emission is
Correct Answer
(C) more than 1 cu.m. but less than 10 cu.m
[#387] 'VOD' is the property of
Correct Answer
(B) explosive
[#388] As per the Indian Electricity Rules 1956. the maximum permissible length of a flexible cable used coal cutting machine for longwall operation in m is
Correct Answer
(B) 200
[#389] A road in a proper coal seam is called
Correct Answer
(B) gallery
[#390] The roof bolt that follows the principle of point anchorage is
Correct Answer
(A) expansion shell bolt