Mine Supports And Strata Control - Study Mode
[#206] Weight of hydraulic prop.
Correct Answer
(B) 62 kgf
[#207] Rock burst occur in
Correct Answer
(B) Deep mines
[#208] It is the load at which an axially loaded prop reaches its elastic limit or at which it begins to buckle.
Correct Answer
(D) Load bearing capacity
[#209] The bearing plate is made of
Correct Answer
(A) Mild steel
[#210] The preferred shape of an opening in biaxial stress field.
Correct Answer
(C) Ellipse with proper axis ratio