Drilling and Blasting MCQs Questions & Answers | Mining Engineering

A. 4.2 m × 2 m

B. 3 m × 1.8 m

C. 2 m × 1.8 m

D. 2 m × 2 m

A. Water proof

B. Gas resistant

C. Fire resistant

D. Flame proof

A. Toxic

B. Noxious

C. Explosive

D. Inflammable

A. $$\frac{{{\text{KS}}{{\text{V}}^2}}}{{\text{A}}}$$

B. $$\frac{{{\text{KSQ}}}}{{\text{A}}}$$

C. $$\frac{{{\text{KS}}{{\text{V}}^3}}}{{{{\text{A}}^2}}}$$

D. $$\frac{{{\text{K}}{{\text{S}}^2}{\text{V}}}}{{\text{A}}}$$

A. Long blind

B. Blind pit

C. Shaft

D. Auxiliary shaft

A. High

B. Medium

C. Low

D. Poor

A. Class E

B. Class D

C. Class A

D. Class B

A. High

B. Less

C. Constant

D. First increase then decrease

A. Same values

B. Different values

C. No values

D. Higher values

A. 0.976

B. 0.273

C. 0.373

D. 0.284