Mine Supports And Strata Control - Study Mode
[#166] Fracture in blast hole is due to
Correct Answer
(A) Shock waves
[#167] Schmidi Hammer rebound test is carried out in rock for determining.
Correct Answer
(B) Uniaxial compressive strength
[#168] One of the first culliery power station was installed in the year
Correct Answer
(B) 1906
[#169] Gypsum deposit is
Correct Answer
(C) Sedimentary
[#170] Mining situations which roof is called good and reliable.
Correct Answer
(C) sand stone