BLASTERS EXAM
Misfire - ANSWERS-A blast that fails to detonate completely after an
attempt at initiation. Also the explosive material itself that failed to
detonate as planned.
Non-electric Detonator - ANSWERS-A detonator that doesn't require
the use of electric energy to function
Permanent Magazine - ANSWERS-Type 1, 2, 4, or 5 that have been at
the same location for longer than 90 days
PETN - ANSWERS-Pentaerythritol tetranitrate
Placards - ANSWERS-Signs placed on vehicles transporting hazardous
materials (including explosive materials) indicating the nature of the
cargo.
Powder Factor - ANSWERS-The amount of explosives used per unit of
blasted material
Primer - ANSWERS-A unit, package, or cartridge of explosives used to
initiate other explosives or blasting agents which contain a detonator
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, COLORADO STATE LATEST
BLASTERS EXAM
Purchaser - ANSWERS-A type II permittee who acquires explosives
Scaled Distances - ANSWERS-A factor relating similar blast effects
from various weight charges of explosive material at various distances.
Secured Storage - ANSWERS-An area which is protected from weather
and is theft-resistant and in compliance with the uniform fire code
Seismograph - ANSWERS-An instrument which monitors blasting
operations for recording ground vibrations and other parameters of
interest
Semi-conductive Hose - ANSWERS-A hose used for pneumatic
conveying of explosive materials. Having high electrical resistance to
limit flow of stray electric currents to safe levels
Sensitivity - ANSWERS-A physical Characteristic of an explosive
material classifying its ability to be initiated upon receiving an external
impulse such as heat, impact, shock, friction, static electricity, stray
current or other influence.
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