Size of rubble coal is
A. 0 - 24 mm
B. 25 - 50 mm
C. 51 - 200 mm
D. above 200 mm
Answer: Option B
Related Questions on Mining Geology
On the basis of which content the igneous rocks are classified as acid rocks and basic rocks?
A. Magnetite
B. Hematite
C. Bauxite
D. Silica
Origin of Solar System divided in two groups, which are
A. Evolutionary and catastrophic
B. Nebula and gaseous tidal hypo
C. Jeansand Jeffires
D. A and B both
A. Attrition
B. Deflation
C. Denudation
D. Mantle

Join The Discussion