Drilling And Blasting - Study Mode
[#806] The main purpose of emergency stoping is . . . . . . . . the area immediately, prevent access of air into fire area.
Correct Answer
(C) Sealed
[#807] Creep is the error associated with
Correct Answer
(D) Aneroid barometer
[#808] Drilling in hard strata generally carried out by using drilling with
Correct Answer
(C) Compressed air drills
[#809] The gears of the anemometer can be engaged or disengaged by . . . . . . . .
Correct Answer
(D) Clutch
[#810] Very sensitive explosive.
Correct Answer
(D) NG