HERE THE QUESTIONS FOR YOU MINING ENGINEERS (Q1 to Q10) AND
(ANSWERS ARE BELOW THE QUESTIONS)
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Q1)
The VOD of LOX?
1) 5000 m/s
2) 3500 m/s
3) 7000 m/s
4) 6000 m/s
Q2)
The explosive charge per hole in BG method?
1) 2 - 3 kg
2) 1 - 2 kg
3) 3 - 4 kg
4) 4 - 5 kg
Q3)
The elements in the delay element of short delay detonator?
1) Antimony and potasium permanganate
2) Redlead
and silicon
3) silicon and Antimony
4) none of the above
Q4)
The main element in Fuse head of detonator is..?
1) AN
2) DI-nitlo glycol
3) TNT
4) Lead Mononitro resorcinal
Q5)
In controlled blasting the fly rock should not go height more than?
1) 3m
2) 4m
3) 5m
4) 6m
Q6)
The PETN booster occupies only ....% of the total explosive charge?
1) 1 - 2
2) 2 - 3
3) 3 - 4
4) 4 - 5
Q7)
The peak particle velocity should not increased ...mm/sec?
1) 10
2) 20
3) 30
4) 40
Q8)
The permitted explosive used in u/g in BOS of all gassimines?
1) Ajax-G
2) Unisax-G
3) Soligex
4) Solimax
Q9)
To control the fly rock the blasting technique adopted is?
1) cushion blasting
2) muffled blasting
3) coyote
blasting
4) pop shooting
Q10)
To get lumpy coal or to minimize the coal dust the blasting technique adopted is?
1) cushion blasting
2) muffled
blasting
3) coyote blasting
4) pop shooting
ANSWERS FOR ABOVE QUESTIONS
Q1) 1 Q2) 1 Q3) 2 Q4) 4 Q5) 1
Q6) 1 Q7) 1 Q8) 3 Q9) 2 Q10) 1
THANKS FOR VISITING US........
WELLCOME
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