Drilling And Blasting - Study Mode
[#566] Fibre, charcoal, wood meal, sulphur in explosive composition act as . . . . . . . .
Correct Answer
(D) Combustable materials
[#567] The drilling pattern followed in underground coal mine is
Correct Answer
(A) wedge cut
[#568] Number of swings of shovel for loading one dumper is . . . . . . . .
Correct Answer
(B) 4 - 6
[#569] Empty, cylinder capacity of BG 174 is . . . . . . . . litters.
Correct Answer
(B) 2
[#570] It involves the pressure drop between points called . . . . . . . .
Correct Answer
(B) Pressure survey