Drilling and Blasting MCQs Questions & Answers | Mining Engineering

A. 1

B. 7

C. 14

D. 30

A. $${\frac{1}{{{{10}^2}}}^{{\text{th}}}}$$ part of second

B. $${\frac{1}{{{{10}^3}}}^{{\text{th}}}}$$ part of second

C. $${\frac{1}{{{{10}^5}}}^{{\text{th}}}}$$ part of second

D. $${\frac{1}{{{{10}^6}}}^{{\text{th}}}}$$ part of second

A. Station

B. Stope

C. Stoping

D. Slope

A. 0 - 200 m

B. 200 - 450 m

C. 400 - 600 m

D. Beyond 600 m

A. Country ventilation

B. District ventilation

C. Boundary ventilation

D. All of these

A. 3 m

B. 4 m

C. 5 m

D. 6 m

A. A ÷ V

B. A - V

C. A × V

D. A² × V

A. Cross cut

B. Drift

C. Pillar

D. Leve

A. 240 rpm

B. 300 rpm

C. 400 rpm

D. 600 rpm

A. 5

B. 10

C. 15

D. 17