US Army Explosive Safety
Familiarization Exam with 100% Correct
Answers 2023
Your installation is refurbishing an existing PES facility built in 1968. Do you need to
complete an ESSP? – Correct answer-Yes, and it requires DDESB approval.
As distance from the potential explosion site decreases, the potential for damage to an
exposed site from an explosion…. – Correct answer-increases.
Your installation is increasing the NEW for a storage site built in 1969 and storing a
hazard division that was not previously approved for that location. Do you need to
complete an ESSP? – Correct answer-Yes, and it requires DDESB approval.
Intraline distance (ILD) is the minimum distance permitted between… – Correct answertwo operating buildings.
The purpose of an ESSP is to ensure safety, provide specifications, and… – Correct
answer-establish limits.
You must submit an ESSP for DDESB approval if the installation is… – Correct answerbuilding an ES within an existing ESQD arc.
Failing to submit a successful ESSP may result in… – Correct answer-reduced
operational capacity.
Which are the phases of the ESSP process in order? – Correct answer-Development
and Evaluation, Submission, DDESB Review, and Implementation.
The Expedited Approval Request must… – Correct answer-explain why an expedited
approval is required.
Which part of the ESSP package contains background information, site location, and
the reason for the ESSP submission? – Correct answer-ESSP narrative
Which ESSP category addresses facilities and operations that do not completely
conform to deterministic QD criteria or meet the risk-based criteria in DESR 6055.09
Edition 1? – Correct answer-HSP
Which is NOT a common mistake when submitting an ESSP? – Correct answer-Sending
the ESSP to USATCES
What type of detonation occurs when a storage facility with high explosives detonates and its shock wave hits a nearby facility causing another explosion?
Deflagrate detonation
Which of the following chemicals will react violently when it comes in contact with water?
TH, HC, TPA
Select the correct order of the levels of protection from least protection required to most protection required.
IMD, ILD, PTRD, IBD
The ultimate purpose of quantity distance is?
Protecting personnel, equipment, and buildings from accidental explosions.
The magazine below contains 11,000 lb of NEW. The maximum NEW it can hold is 13,000 lb. How many additional pallets of ammo can be placed in the facility? Use the Yellow Book if needed.
3 pallets
If a pallet holds 12 HE rounds and each round contains 17.5 lb of NEW, what would be the NEW of the pallet?
140 lb
210
Select the division of Hazard Class 1 that is the most dangerous.
1.1
Determine the hazard class and division of this pallet. Use the Yellow Book if needed. (D533)
1.3C
Why are there divisions within Class 1?
specific hazards posed
Cardinal Rule for safety
people, explosives, time
Which of the following statements describe an SOP?
available in all work areas
Who is responsible for the risk management process?
everyone
Which statement does NOT apply to evaluating ammo procedures with the risk management (RM) process?
To help workers understand how the RM process replaces the SOP
Which of the following safety guidelines is NOT correct?
Heat sealing equipment should be left on so it is ready when you need to use it.
Which of the following safety guidelines is NOT correct? 1
You should make sure MHE has a fire extinguisher with a minimum rating of 5BC.
Which of the following safety guidelines is NOT correct? 2
You cannot choose tools other than those listed in your SOP if it will make your job easier.
Which of the following safety procedures are NOT correct? 4
Drivers do not need to know what materials are being transported on their truck.
Which criteria are NOT required for off-post DOT placard usage?
fire symbol
Which statement about demil operations is false?
Cell phones can be used as a means of communication on the range.
Which statement about the scrap/inert certification process is false?
random pieces can be taken out
How does an LPS provide protection?
The energy from a lightning strike travels from the mast into the ground.
Which statement about static electricity is false?
Wearing nylon clothing in your work area can reduce the chance of a buildup of static electricity.
catenary lightning protection system
wires go over the building
A shipment of 155mm M10 WP projectiles will be stored in the magazine pictured below. Which hazard symbol should be posted outside the building?
symbol 1 set 3
Which of the following statements is false? 5
Flame or spark-producing items are permitted in ammo areas as long as you have permission.
ECM
igloo or bunker, steel and earth covered, preferred storage, vents,
What are the characteristics of an AGM?
fireproof, less protective, larger than ECM
Which statements about magazine operations are correct?
follow inside/outside instructions, clear path, unlocked when inside
Which operation is NOT allowed inside a magazine?
air testing
You have asked these workers why it is important to keep non-compatible ammo separated. Which one gave the correct response?
hazards
Given three groups, C, D, and F, and one location, use the storage compatibility chart to determine if they are compatible for storage.
written approval (F=z)
Which statement about shaped charges is false?
face the front wall in an ECM
Which statement about pyrotechnics is false?
Wet or damp pyrotechnic materials can be safely stored.
On-Post Transportation
10BC, non spark, maintenance checks daily, placards placed with fire symbols, DD626, storage compatibility
Off-Post
DD 626, placards without fire symbols, 10BC
Which parts of the train are most sensitive?
fuze and primer
A shock wave is created when
greater than speed of sound
PPE for WP
protective mask, fire resistant gloves and overalls. A barrel of water must be available to submerge leaking ammo.
Which explosive train is used to propel (launch) the projectile?
low explosive train
Select the terms that describe the effects of a high explosive.
slower than sound, shock wave, detonation
IBD and PTRD
protects people
Which section requires an operator’s signature to verify the operator has read and understands the SOP?
operator’s statement
Once a hazard is identified, what two elements are considered to assess the hazard?
probability and severity
Which statement about demil operations is false?
Debris from the range is considered inert and does not require any documentation before it is turned in.
Which of the following can cause electromagnetic radiation (EMR)?
cell phones, radio, walkie-talkies
fire 1
mass detonation
fire 2
explosion with fragments, mortar, ammo
fire 3
mass fire
fire 4
no blast hazard
Which statement about outdoor storage is false?
Can be used to store all ammo.
Which statement about operations outside a magazine is true?
Repairing packaging materials is permitted provided QD requirements are met and authorized by an SOP.
Which of the following statements about empty magazines is not correct?
Which of the following statements about empty magazines is not correct?
Which statements about storage safety precautions are true?
report strong odor, identify blank ammo
A flare produces illumination using a chemical reaction that moves at subsonic speeds (slower than the speed of sound). What term applies to this reaction?
C
Stability refers to an A&E item’s potential to
Deterioration of A&E during storage; factors affecting stability are time, temperature, and moisture
Which explosive train propels (launches) the projectile?
B
A pyrotechnic is an example of a low explosive because it
A
A projectile’s booster detonates. What type of explosive is it?
B
What are two ways to recognize an ammo item is inert?
A and C
CS (tear gas) contains riot control agents. Using the chemical group job aid, in what chemical group does it belong?
B
Using the chemical group job aid, what are two hazards of Chemical Group D?
A and D
“A pallet holds 12 rounds. Each round contains 17.5 lb NEW. What is the total NEW for this pallet?”
D
What is the purpose of intermagazine distance (IMD) and intraline distance (ILD)?
D
HC/D 1.3 material presents what type of hazard?
Mass Fire
Which Hazard Class 1 division has fragmentation as its primary hazard?
B
Use the Yellow Book to find an ammo item’s
B
“Consider the following: A pallet contains ammunition marked with DODIC G930. Each pallet holds 54 boxes of ammo. Each box holds 16 rounds. Using the Yellow Book, what is the total NEW of this pallet?”
D
Once a hazard is identified, what elements are considered to assess the hazard?
Probability and Severity
Which storage and handling requirement applies to black powder?
Store in bulk in dry magazines with conductive floors. Do not store in inhabited buildings or buildings heated by stoves or open fire.
Which storage requirement does not apply to shaped charges?
C
Which of the following is not a phase of the risk management (RM) process?
“C Understand SOP “
Which section requires an operator’s signature to verify the operator has read and understands the SOP?
D
When working with ammo containing chemical fillers, where in the SOP would you find personal protective equipment (PPE) requirements?
B
Which safety precaution applies to material handling equipment (MHE)?
D
Which two safety guidelines apply when heat sealing bags of ammo?
B[,]D
Which off-post specific requirement does a driver need when moving ammo from an on- post site to an off-post facility?
C
Which is not a shared requirement for vehicles transporting A&E both on-post and off-post?
use of DD 626, use of fire symbols, compatibility requirements, pre/post inspection, extra blocking and bracing, correct documentaion
Which best describes ammunition residue?
A
How does an LPS provide protection?
A
Which three things can cause electromagnetic radiation (EMR)?
B,C, and D
Which requirement is used when posting fire symbols outside a facility?
the highest hazard. A
Using the chemical group job aid, which two chemical hazard symbols are used for storage locations with ammo containing HC smoke grenades?
D and E
What is a characteristic of an above-ground magazine (AGM)?
- Usually built with fireproof materials • Provides greater storage space • Provides less protection from blast/fragments
Which three housekeeping guidelines apply when storing A&E?
A, B, and D
Which statement is not a general magazine safety rule?
These are all good general rules: Aisle space, Ammo on pallets, Data cards, Stable stacks, Closed containers
In addition to removing/covering fire and chemical symbols, what two actions do you take after emptying a magazine?
A, and D
Which source can be used to find storage compatibility groups for ammo?
Appendix B of the Yellow Book
Given two groups, F and S, and one location,
Yes, safe
Given three groups, C, D, and F, and one location, use the storage compatibility chart to determine if they are compatible for storage.
Under certain conditions
Which requirement do you need to follow when storing rockets, rocket motors, and missiles?
C
Which two steps apply for damaged or leaking munitions or containers found in storage?
B, and C
What types of hazards does the RM process work to prevent?
illness, injury, or death
What is the purpose of a standing operating procedure (SOP)?
standardized set of detailed instructions on how to perform certain tasks. It prevents personnel injury, property damage, and operation degradation by controlling work center hazards.
When working with ammo containing chemical fillers, where in the SOP would you find personal protective equipment (PPE) requirements?
B
Which two safety guidelines apply when heat sealing bags of ammo?
B, and D
Which safety precaution applies to forklifts?
A
Which is the correct placement of placards on trucks transporting A&E?
D
Which best describes ammunition residue?
A
Which is the purpose of a lightning protection system (LPS)?
B
Which type of clothing should be worn in ammo work areas to minimize static electricity?
A
Which hazard is most damaging to ammunition?
Fire and excessive heat
What is a characteristic of an earth-covered magazine (ECM)?
D
Which statement about operations outside a magazine is true?
Used when magazines are unavailable • Utilized during an emergency • Used for a short period of time
A team is repairing ammunition packaging outdoors near an ECM. Which distance from the ECM can the work be safely completed?
50 ft to the side
Use the Yellow Book to determine the compatibility group for the three items below.
C[,]E[,]G
How are safety and reliability ensured for a projectile with a high explosive train?
Protect the primer at all times! Do not drop ammo or bump the primer against a hard surface. Keep electric primers away from electricity such as radios and cell phones.
Dynamite is an example of a high explosive because it
D
In a display cabinet, you see a 105mm munition drilled with four holes and marked “empty.” What does this tell you about the ammo item?
B
Which statement describes Chemical Group C?
Reacts with air White phosphorus (WP) and plasticized white phosphorus (PWP)
NP (napalm) is an incendiary. Using the chemical group job aid, in what chemical group does it belong?
D
The net explosive weight (NEW) indicates the effective combined weight of
D
How much separation distance does HC/D 1.1 require compared to HC/D 1.4?
B
Which Hazard Class 1 division has fragmentation as its primary hazard?
B
Consider the following:
A magazine contains 22 pallets of an ammunition marked with DODIC CA44.
There are 24 metal containers of ammo per pallet.
Each metal container holds 2 rounds.
Using the Yellow Book, what is the total NEW of this mag
D
Consider the following:A box contains ammunition marked with DODIC A191. Each box holds 480 cartridges. Using the Yellow Book, what is the total NEW of this box?
D