Drilling And Blasting - Study Mode

Show All Answers

[#246] Which of the following explosive are recommended for deep hole blasting?

(A) SG 80%, OCG & ANFO

(B) Polar Ajax

(C) LOX

(D) Gelignite 60%

Correct Answer

(A) SG 80%, OCG & ANFO

[#247] A detonating fuse detonated by a

(A) Safety fuse

(B) Detonator

(C) Open fire

(D) None

Correct Answer

(B) Detonator

[#248] Which of the following reagents do share around 75% in an explosive?

(A) oxidizing agent

(B) explosive base

(C) combustible substances

(D) sensitizers

Correct Answer

(A) oxidizing agent

[#249] Each seam should have at least two out lets to surface separated by a minimum of . . . . . . . . meters at any point.

(A) 10.5

(B) 12.5

(C) 13.5

(D) 14.5

Correct Answer

(C) 13.5

[#250] Number of cylinders of oxygen in PT 60 pulmotor.

(A) 1

(B) 2

(C) 3

(D) 4

Correct Answer

(B) 2