CITP exam 5 questions and answers with solutions 2025

IMPROVISED EXPLOSIVE DEVICES (IEDS) EPO #1: Identify and describe the effects of an explosion. - ANSWER · Definition: sudden and rapid production and escape of gases from a confined space. · Effects are thermal, blast pressure, and fragmentation: thermal is least damaging, blast pressure is most damaging, fragmentation is most deadly. Blast pressure can be 13 times greater. · Secondary devices usually activate within 1 hour. · Primary blast injuries are caused by physiological impacts of blast pressure. · Secondary blast injuries are caused by fragmentation · Tertiary injuries are caused by impacts such as floors collapsing IMPROVISED EXPLOSIVE DEVICES (IEDS) EPO #2: Identify an Improvised Explosive Device (IED). - ANSWER · 4 components include: power source, initiator, explosive, and switch (PIES) o Power sources: batteries/pack, cellphones o Initiators: blasting cap or igniters. Blasting caps can be activated by radios or phones, turn devices off and do not transmit. o Explosives: § Low: black powder, smokeless powder, pipe bomb, maglite. Must be confined. § High: do not require confinement, may include TNT, detonate at supersonic velocities. o Switches: timed, victim, and command. May also be a combination. IMPROVISED EXPLOSIVE DEVICES (IEDS) EPO #3: Identify a Vehicle-Borne Improvised Explosive Device (VBIED) - ANSWER · Utilizes the actual vehicle as part of the explosive or to conceal IED. · Three methods or initiation are timed, victim operated or booby trap, and command · Ammonium nitrate and urea nitrate are most common substances used domestically. Panel vans and SUVs are most popular vehicles currently. IMPROVISED EXPLOSIVE DEVICES (IEDS)