Drilling And Blasting - Study Mode
[#691] An explosive used in underground mines has to be
Correct Answer
(A) Cap sensitive
[#692] The fan is more or less permanent installation
Correct Answer
(C) Booster
[#693] If the resistance of a roadway 50 m long, 6 m 3 cross section being equal to . . . . . . . . kilo murg.
Correct Answer
(A) 0.025
[#694] A detonating fuse like cordtex is generally used in
Correct Answer
(D) deep hole blasting
[#695] In inclined manometer, alchohol prefered due to
Correct Answer
(A) Greater sensitivity