66,The important characteristic of an explosive which will
give an idea about heat and humid
condition and time of explosure?,
resistance,
stability,
sensitivity,
density,
67,The composition of Gunpowder is(charcoal:sulphur:potasium
nitrate in %)?,
15:10:75,
25:10:65,
10:15:65,
15:75:10,
68,Which explosive is blasted by safety
fuse?,
ANFO,
slurry,
NG,
Gunpowder,
69,To avoid freezing of NG explosive which agent is
mixed?,
PETN,
TNT,
DI-NITRO-GLYCOL,
ASA,
70,The VOD of premix is?,
5000 m/s,
7000 m/s,
3500 m/s,
3200 m/s,
Ans: 2, 1, 4, 3 ,2
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