Drilling and Blasting MCQs Questions & Answers | Mining Engineering

A. Mono ammonium phosphate

B. Antisetting agent

C. LMNR

D. All of these

A. $${\text{V}} = {\text{A}} \times {\text{B}} \times {\text{h}}$$

B. $${\text{V}} = \frac{{{\text{AB}}}}{{\text{h}}}$$

C. $${\text{V}} = \frac{{{\text{Ah}}}}{{1 + {\text{Bh}}}}$$

D. $${\text{V}} = \frac{{{\text{Bh}}}}{{1 + {\text{Ah}}}}$$

A. 5

B. 10

C. 15

D. 17

A. The pressure difference between intake and return increases

B. Excessive leakage

C. Recirculation occur

D. None

A. No heating

B. Approaching active fire

C. More active fire

D. None

A. Secondary shaft

B. Blind heading incline

C. Auxilary shaft

D. Long shaft

A. Meetslow

B. Passes

C. Flows flower

D. Crosses

A. 8 or 16

B. 6 or 10

C. 2 or 7

D. 10 or 18

A. Dust less auxiliary ventilation

B. Overlap system of ventilation

C. Exaust type ventilation

D. Forcing type ventilation

A. $$\frac{1}{3}$$

B. $$\frac{3}{4}$$

C. $$\frac{2}{3}$$

D. $$\frac{1}{2}$$