BLASTING CERTIFICATE EXAM LATEST 2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
What is the first thing you do immediately after firing an electric
blast? - ANSWER-Disconnect the firing cables from the firing
device and short circuit them
Under normal circumstances no drilling shall be carried out within
a certain number of meters of any hole containing explosives.
What distance is referred to? - ANSWER-5 meters
What minimum distance would you drill from a bootleg socket
which contains no explosives - ANSWER-300m on the surface,
150m underground
When re-blasting has to be done in a missed hole, initially loaded
with ammonium nitrate fuel oil explosives mixture and primed with
a fuse, no person shall return to the scene if the blast within a
certain number of minutes after the charge has or should have
been detonated. What is the length of time? - ANSWER-10
minutes
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Which of the following persons are required to be the holder of a
permanent blasting certificate? - ANSWER-A supervisor, a blaster,
and a shiftboss
Describe the methods of making up primers - ANSWER-Feed the
blast cap through the primer tunnel, push the cap into the capwell
making sure that the cap is positioned properly and there is no
slack to slide out of the cap well. Position the primer bottom to
orient the main part of the blasting charge
What precautions must be taken when loading and tamping -
ANSWER-Check the collar is the right size, dont force or stomp
blasting material, only use non-sparking tools, and that the
primers go down without difficulty
What is permitted to be stored with other explosives - ANSWER-
Primacord