Generally size of raw coal fed to jig washer is
A. 6 mm and -100 mm
B. 8 mm and -200 mm
C. 100 mm and 300 mm
D. 300 mm and 800 mm
Answer: Option A
A. 6 mm and -100 mm
B. 8 mm and -200 mm
C. 100 mm and 300 mm
D. 300 mm and 800 mm
Answer: Option A
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
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