Mining Geology - Study Mode
[#71] Colour of Auqite
Correct Answer
(A) Black
[#72] The ratio of volume of voids in a rock to its total volume called
Correct Answer
(D) Porosity
[#73] The compound of CaCO 3 and MgCO 3 called
Correct Answer
(D) Dolomite
[#74] The formulae for calculation of non cooking coals useful heat values.
Correct Answer
(B) 8900 - 138(A + M)
[#75] Plotanic rocks formed at a depth of in k.m.
Correct Answer
(D) 9 - 11 km