Drilling And Blasting - Study Mode

Show All Answers

[#396] Which explosive is blasted by safety fuse.

(A) ANFO

(B) Slurry

(C) NG

(D) Gun powder

Correct Answer

(D) Gun powder

[#397] The constant feed rate of BG 174 apparatus is . . . . . . . . It/min.

(A) 2

(B) 1.8

(C) 1.5

(D) 1.2

Correct Answer

(C) 1.5

[#398] The weight of spiral - 2C apparatus.

(A) 2.3 kg

(B) 3.3 kg

(C) 4.5 kg

(D) 3.8 kg

Correct Answer

(B) 3.3 kg

[#399] Ventilation survey means

(A) Quality survey

(B) Quantity survey

(C) Both A and B

(D) Pressure survey

Correct Answer

(B) Quantity survey

[#400] Class 8 group explosives are

(A) GN

(B) NG

(C) LOE

(D) OCG

Correct Answer

(C) LOE