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WorksheetsExplosives L
Total questions: 8
Worksheet time: 11mins
Which type of explosive is classified into two groups, primary and secondary?
low explosives
medium explosives
high explosives
extreme explosives
Low explosives decompose at rates that vary up to _______.
1,000 meters per second
1,000 meters per hour
7,000 miles per hour
7,000 meters per second
In recent years, dynamite has been replaced commercially by _______.
PETN
nitroglycerin
TATP
ammonium nitrate-based explosives
The single most important step in the detection and analysis of explosive residues is ______.
the collection of appropriate samples from the explosion scene
the determination of whether it is a low or a high explosive
the creation of a chain-of-custody form
locating the ignition source
A _________ is a device used to create an explosion needed to ignite a high explosive.
safety fuse
PETN
detonator
firing pin
A cord containing a core of black powder, used to carry a flame at a uniform rate to an explosive charge is called a _________.
TLC
safety fuse
PETN
detonator
After bomb-scene debris has been examined microscopically, the next step is to ______.
examine the explosive using spectrophotometry
use X-ray diffraction to “fingerprint” the organic explosive
rinse the debris with acetone to separate the debris from explosive material
view the detonating mechanism with a low-power stereoscopic microscope
What produces the violent physical disruption associated with an explosion?
The violent physical disruption associated with an explosion is caused by the sudden buildup of expanding gas pressure at the origin of the explosion.
The violent physical disruption associated with an explosion is caused by the sudden heat imploding at the
origin of the explosion.
The violent physical disruption associated with an explosion is not caused by the slow buildup of expanding gas pressure at the origin of the explosion.
The violent physical disruption associated with an explosion is caused by the sudden buildup of expanding gas pressure at the extremities of the explosion towards the origin.
