Drilling And Blasting - Study Mode
[#506] Regulator can not be placed in . . . . . . . .
Correct Answer
(B) Haulage roads
[#507] The venture tube blower having a convergent - divergent tube is more efficient and increase the flow of air by
Correct Answer
(B) 30%
[#508] Which of the following detonators are used mostly in oil and mineral prospecting?
Correct Answer
(D) Seismic detonators
[#509] Ammonium Nitrate does not occur in nature and it is prepared by reacting with ammonia gas with . . . . . . . . acid.
Correct Answer
(D) Nitric
[#510] The fan efficiency is given by . . . . . . . .
Correct Answer
(B) $$frac{{{ ext{air HP}}}}{{{ ext{Break HP}}}}$$