Drilling And Blasting - Study Mode

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[#576] To render the collodin cotton safe to handle it is to be

(A) Commercilised

(B) Gelatinized

(C) Waterized

(D) Pulvarised

Correct Answer

(B) Gelatinized

[#577] In Reviving apparatus the dial calibrator from zero to . . . . . . . . Iitres per min.

(A) 10

(B) 20

(C) 25

(D) 30

Correct Answer

(D) 30

[#578] Taking the air to the rise side of the district and allow to travel it to lower levels as it to ventilate the working places called . . . . . . . .

(A) Ascensional

(B) Disacensional

(C) Antitropal

(D) Homotropal

Correct Answer

(B) Disacensional

[#579] A self rescuer should be used immediately at the first sign of fire or explosion even of no smoke is visible called

(A) Filter

(B) Filter self rescuer

(C) Fither reviving apparatus

(D) None

Correct Answer

(B) Filter self rescuer

[#580] The site selection conditions and other details of establishing a reserve station in a mine can be specified by

(A) RI

(B) CI

(C) CM

(D) GM

Correct Answer

(B) CI