CITP Test 5 with all Correct & 100% Verified Answers |
Actual Complete Update |Already Graded A+
What are the effects of an explosion? ✔Correct Answer-Thermal Effect
Blast Pressure Effect
Fragmentation Effect
T/F: Thermal effecs are generally the most damaging of the three primary effects? ✔Correct
Answer-False; Fragmentation is usually the most damaging.
What is important to know about thermal effect high explosives? ✔Correct Answer-They
produce higher temperature thermal effects but for a shorter duration.
What is important to know about thermal effect low explosives? ✔Correct Answer-They
produce lower temperature thermal effects but for a longer duration.
What is the blast pressure effect? ✔Correct Answer-When very hot gases are formed in
approximately 1/10,000 of a second expand out from the point of detonation at supersonic
velocities, up to 20,000 mph.
What are the two distinct phases of the blast pressure effect? ✔Correct Answer-The Positive
Phase and Negative Phase.
T/F: The negative phase is typically three times longer than the positive phase but less intense.
✔Correct Answer-True.
The four types of injuries sustained during a blast are: ✔Correct Answer-Primary Blast Injury:
Direct effects of blast upon the body
Secondary Blast Injury: Propelled fragmentation
Tertiary Blast Injury: Casualty's body is propelled against a stationary object
Qauternary Blast Injury: Being crushed or burns.
___________ blast injury is the most common cause of death in explosions. ✔Correct
Answer-Secondary Blast Injury (Fragmentation)
IED's may have precut/preformed objects (ie ball bearings, hexagonal nuts, nails, etc) placed
within or along the device to serve what purpose? ✔Correct Answer-To form fragmentation
when the IED detonates.
, What is primary fragmentation? ✔Correct Answer-Fragments produced by the IED or
explosive container.
What is secondary fragmentation? ✔Correct Answer-Object propelled from around the
detonation point, and fractured pieces of the intended target that become lethal missiles.
IED's generally consist of what four components? ✔Correct Answer-Power source
Initiator
Explosive
Switch
(PIES)
Also may be a fifth - the container.
Examples of power source for an IED? ✔Correct Answer-Batteries (electric)
Coiled Spring(mechanical)
Flame(Heat).
Examples of initiators for an IED? ✔Correct Answer-Blasting Caps
Spark Plug
Photographic Flash Bulb
Automobile Light Bulb
Trick Birthday Candles
Matches
Examples of explosives for an IED? ✔Correct Answer-Black Powder
Pyrodex
Smokeless Powder
Maglite
High explosives are subdivided into three explosive classes, differentiated by sensitivity, what
are they? ✔Correct Answer-Primary, Secondary, Tertiary or Blasting Agents.
Primary explosives are extremely sensitive to what? ✔Correct Answer-Mechanical shock,
friction and heat.
Secondary explosives (also called base explosives) are
______________________________________________________ to prevent unintended
explosions. ✔Correct Answer-relatively insensitive to heat, shock and friction
T/F: Tertiary explosives are insensitive to shock and they cannot be reliably detonated with
practical quantities of primary explosive and require a secondary explosive. ✔Correct Answer-
True
Actual Complete Update |Already Graded A+
What are the effects of an explosion? ✔Correct Answer-Thermal Effect
Blast Pressure Effect
Fragmentation Effect
T/F: Thermal effecs are generally the most damaging of the three primary effects? ✔Correct
Answer-False; Fragmentation is usually the most damaging.
What is important to know about thermal effect high explosives? ✔Correct Answer-They
produce higher temperature thermal effects but for a shorter duration.
What is important to know about thermal effect low explosives? ✔Correct Answer-They
produce lower temperature thermal effects but for a longer duration.
What is the blast pressure effect? ✔Correct Answer-When very hot gases are formed in
approximately 1/10,000 of a second expand out from the point of detonation at supersonic
velocities, up to 20,000 mph.
What are the two distinct phases of the blast pressure effect? ✔Correct Answer-The Positive
Phase and Negative Phase.
T/F: The negative phase is typically three times longer than the positive phase but less intense.
✔Correct Answer-True.
The four types of injuries sustained during a blast are: ✔Correct Answer-Primary Blast Injury:
Direct effects of blast upon the body
Secondary Blast Injury: Propelled fragmentation
Tertiary Blast Injury: Casualty's body is propelled against a stationary object
Qauternary Blast Injury: Being crushed or burns.
___________ blast injury is the most common cause of death in explosions. ✔Correct
Answer-Secondary Blast Injury (Fragmentation)
IED's may have precut/preformed objects (ie ball bearings, hexagonal nuts, nails, etc) placed
within or along the device to serve what purpose? ✔Correct Answer-To form fragmentation
when the IED detonates.
, What is primary fragmentation? ✔Correct Answer-Fragments produced by the IED or
explosive container.
What is secondary fragmentation? ✔Correct Answer-Object propelled from around the
detonation point, and fractured pieces of the intended target that become lethal missiles.
IED's generally consist of what four components? ✔Correct Answer-Power source
Initiator
Explosive
Switch
(PIES)
Also may be a fifth - the container.
Examples of power source for an IED? ✔Correct Answer-Batteries (electric)
Coiled Spring(mechanical)
Flame(Heat).
Examples of initiators for an IED? ✔Correct Answer-Blasting Caps
Spark Plug
Photographic Flash Bulb
Automobile Light Bulb
Trick Birthday Candles
Matches
Examples of explosives for an IED? ✔Correct Answer-Black Powder
Pyrodex
Smokeless Powder
Maglite
High explosives are subdivided into three explosive classes, differentiated by sensitivity, what
are they? ✔Correct Answer-Primary, Secondary, Tertiary or Blasting Agents.
Primary explosives are extremely sensitive to what? ✔Correct Answer-Mechanical shock,
friction and heat.
Secondary explosives (also called base explosives) are
______________________________________________________ to prevent unintended
explosions. ✔Correct Answer-relatively insensitive to heat, shock and friction
T/F: Tertiary explosives are insensitive to shock and they cannot be reliably detonated with
practical quantities of primary explosive and require a secondary explosive. ✔Correct Answer-
True
