Drilling And Blasting - Study Mode

Show All Answers

[#571] Commonly recommended explosives in wet condition in mines.

(A) Powdery

(B) Slurry

(C) ANFO

(D) All of these

Correct Answer

(B) Slurry

[#572] The h.p of coal drills normally of . . . . . . . .

(A) 1 hp

(B) 1.25 hp

(C) 1.5 hp

(D) 1.75 hp

Correct Answer

(B) 1.25 hp

[#573] The drivages are located at any convenient place in the property.

(A) Incline

(B) Pit

(C) Adit

(D) Decline

Correct Answer

(B) Pit

[#574] A connection between two levels in ore body driven upward direction.

(A) Dip

(B) Level

(C) Rise

(D) Slope

Correct Answer

(C) Rise

[#575] The drive in the vein itself, in the wall rock usually in footwall.

(A) Cross cut

(B) Cross Criss

(C) Reef drive

(D) Clouse drift

Correct Answer

(C) Reef drive