Drilling And Blasting - Study Mode

[#216] Main purpose of tippler
Correct Answer

(A) Tipping the mineral

[#217] Cooling chamber of protomark IV apparatus made of . . . . . . . .
Correct Answer

(D) Copper

[#218] CO 2 absorbent keeps the percentage of CO 2 in breathing circuit below . . . . . . . .% in proto mark IV apparatus.
Correct Answer

(A) 1

[#219] Main ingradient of the chemical used in dry powder type extinguisher.
Correct Answer

(A) Mono ammonium phosphate

[#220] Find the empirical relation between depth of hole (h) and gas content (V), A and B are constants
Correct Answer

(B) $${ ext{V}} = frac{{{ ext{AB}}}}{{ ext{h}}}$$