ammo 18
AMMO-18-DL course covering DoD hazard classification, storage compatibility groups, mixed storage, NEWQD and quantity-distance, fire division and chemical hazard symbols, emergency withdrawal and lightning protection for ammunition and explosives facilities.
Last reviewed · How this key is checked
Studying for this with your unit? Send it to them.
01Besides a non-regulated category, how many hazard classes make up the DoD hazard classification system?
Nine hazard classes, plus a non-regulated category that applies when explosives and hazardous materials are present in an item but not to a degree that meets the criteria for one of the nine classes.
VERIFIED AGAINST THE SOURCE
“the DoD hazard classification system consists of nine hazard classes plus a non- regulated category that applies when explosives and hazardous materials are present in an item, but not to a degree that meets the criteria for assignment to one of the nine classes”
— DESR 6055.09, Edition 1, Change 2, p. 36 ↗02Which hazard class is assigned to AE whose predominant hazard is explosive?
Class 1. Class 1 applies to AE where the explosive hazard predominates.
VERIFIED AGAINST THE SOURCE
“Class 1 applies to AE where the explosive hazard predominates”
— DESR 6055.09, Edition 1, Change 2, p. 36 ↗03For what purpose are the three subdivisions of hazard division 1.2 used?
Storage only. The three division 1.2 subdivisions (1.2.1, 1.2.2 and 1.2.3) apply only to storage applications.
VERIFIED AGAINST THE SOURCE
“The three division 1.2 subdivisions are only applicable for storage applications”
— DESR 6055.09, Edition 1, Change 2, p. 36 ↗04How many storage and transportation compatibility groups are used to segregate AE?
13 compatibility groups (CGs), assigned on the basis of similarity of function, features and accident effects potential.
VERIFIED AGAINST THE SOURCE
“13 compatibility groups (CGs) are used for segregating AE on the basis of similarity of function, features, and accident effects potential”
— DESR 6055.09, Edition 1, Change 2, p. 36 ↗05In a hazard classification such as (18)1.1, what does the parenthetical number represent?
The minimum separation distance (MSD) in hundreds of feet needed for protection from debris, fragments and firebrands when distance alone is relied on.
VERIFIED AGAINST THE SOURCE
“a parenthetical number is used to indicate the minimum separation distance (MSD) (in hundreds of feet) necessary for protection from debris, fragments, and firebrands when distance alone is relied on for such protection”
— DESR 6055.09, Edition 1, Change 2, p. 36 ↗06Which joint procedures does DoD use as the basis for assigning hazard classifications to AE for storage and transportation?
Army TB 700-2 / NAVSEAINST 8020.8C / TO 11A-1-47, the joint DoD AE hazard classification procedures.
VERIFIED AGAINST THE SOURCE
“Army Technical Bulletin 700- 2/Naval Sea Systems Command Instruction 8020.8C/Technical Order 11A -1-47 as the basis for assigning hazard classifications to all AE for both storage and transportation applications”
— DESR 6055.09, Edition 1, Change 2, p. 36 ↗07Which hazard division covers a non-mass explosion that is fragment producing?
HD 1.2 (non-mass explosion, fragment producing).
VERIFIED AGAINST THE SOURCE
“HD 1.2. Non -mass explosion, fragment producing.”
— DESR 6055.09, Edition 1, Change 2, p. 37 ↗08What NEWQD value separates HD 1.2.1 items from HD 1.2.2 items?
1.60 lbs [0.73 kg]. HD 1.2.1 items have a NEWQD greater than 1.60 lbs (or fragment like or worse than M1 105-mm projectiles); HD 1.2.2 items have a NEWQD of 1.60 lbs or less (or at most fragment like high-explosive 40-mm ammunition).
VERIFIED AGAINST THE SOURCE
“HD 1.2.2. Those items with an NEWQD ≤ 1.60 lbs [0.73 kg] or that at most exhibit fragmentation characteristics similar to high -explosive 40- mm ammunition”
— DESR 6055.09, Edition 1, Change 2, p. 37 ↗09Which hazard division describes a mass fire with minor blast or fragment hazard?
HD 1.3 (mass fire, minor blast or fragment).
VERIFIED AGAINST THE SOURCE
“HD 1.3. Mass fire, minor blast or fragment.”
— DESR 6055.09, Edition 1, Change 2, p. 37 ↗10Which hazard division is an explosive substance that is very insensitive but still has a mass explosion hazard, and how is it treated for QD?
HD 1.5. It is a very insensitive explosive substance with a mass explosion hazard, and for QD purposes HD 1.5 is always treated as HD 1.1.
VERIFIED AGAINST THE SOURCE
“HD 1.5 is always treated as HD 1.1”
— DESR 6055.09, Edition 1, Change 2, p. 44 ↗11Which hazard division applies to AE that shows no reaction more severe than burning in the liquid fuel fire, bullet impact and slow heating tests?
HD 1.6. Its compatibility group is N, which covers AE containing only extremely insensitive detonating substances (EIDS).
VERIFIED AGAINST THE SOURCE
“Group N. AE containing only extremely insensitive detonating substances (EIDS). An example is HD 1.6 AE”
— DESR 6055.09, Edition 1, Change 2, p. 38 ↗12Bulk initiating (primary) explosives sensitive enough to heat, friction or percussion to start an explosive train belong to which compatibility group?
Compatibility group A (initiating, or primary, explosives).
VERIFIED AGAINST THE SOURCE
“Group A. Initiating (primary) explosives. Bulk initiating explosives that have the necessary sensitivity to heat, friction, or percussion to make them suitable for use as initiating elements in an explosive train”
— DESR 6055.09, Edition 1, Change 2, p. 37 ↗13Detonators, blasting caps, small arms primers and fuzes without two or more effective protective features belong to which compatibility group?
Compatibility group B: detonators and similar initiating devices not containing two or more effective protective features.
VERIFIED AGAINST THE SOURCE
“Examples include detonators, blasting caps, small arms primers, and fuzes”
— DESR 6055.09, Edition 1, Change 2, p. 37 ↗14Bulk propellants, propelling charges and devices containing propellant are assigned which compatibility group?
Compatibility group C, whether or not the device has its own means of ignition.
VERIFIED AGAINST THE SOURCE
“Group C. Bulk propellants, propelling charges, and devices containing propellant with, or without, its own means of ignition”
— DESR 6055.09, Edition 1, Change 2, p. 37 ↗15Bulk TNT, Composition B and black powder, and bombs and projectiles without a propelling charge or means of initiation, belong to which compatibility group?
Compatibility group D: bulk black powder, bulk HE, and AE containing HE without its own means of initiation and without a propelling charge.
VERIFIED AGAINST THE SOURCE
“Examples include bulk trinitrotoluene (also known as TNT), Composition B, and black powder; bulk wet RDX or PETN; and bombs, projectiles, cluster bomb units, depth charges, and torpedo warheads”
— DESR 6055.09, Edition 1, Change 2, p. 38 ↗16Artillery AE, rockets and guided missiles containing HE without their own means of initiation but with a solid propelling charge belong to which compatibility group?
Compatibility group E: AE containing HE without its own means of initiation and either containing, or packaged with, a solid propelling charge.
VERIFIED AGAINST THE SOURCE
“Group E. AE containing HE (secondary explosives) without its own means of initiation and either containing, or packaged with, a solid propelling charge. Examples include artillery AE, rockets, and guided missiles”
— DESR 6055.09, Edition 1, Change 2, p. 38 ↗17Grenades and sounding devices with explosive trains having fewer than two effective protective features belong to which compatibility group?
Compatibility group F: HE AE with its own means of initiation.
VERIFIED AGAINST THE SOURCE
“Examples include grenades, sounding devices, and similar items having explosive trains with fewer than two effective protective features”
— DESR 6055.09, Edition 1, Change 2, p. 38 ↗18Flares, signals and pyrotechnic substances are assigned which compatibility group?
Compatibility group G: illuminating, incendiary, smoke (including HC) or tear-producing AE, excluding water-activated items and those containing WP or a flammable liquid or gel.
VERIFIED AGAINST THE SOURCE
“Group G. Illuminating, incendiary, and smoke - (including hexachlorethane (HC)) or tear-producing AE, excluding those that are water -activated or that contain white phosphorus (WP) or a flammable liquid or gel. Examples include flares, signals, and pyrotechnic substances”
— DESR 6055.09, Edition 1, Change 2, p. 38 ↗19AE containing white phosphorus is assigned which compatibility group?
Compatibility group H. Its fillers are spontaneously flammable when exposed to the atmosphere.
VERIFIED AGAINST THE SOURCE
“Group H. AE containing WP. AE in this group contains fillers that are spontaneously flammable when exposed to the atmosphere”
— DESR 6055.09, Edition 1, Change 2, p. 38 ↗20Which compatibility group covers AE containing flammable liquids or gels that are not spontaneously flammable on exposure to water or the atmosphere?
Compatibility group J.
VERIFIED AGAINST THE SOURCE
“Group J. AE containing flammable liquids or gels other than those that are spontaneously flammable when exposed to water or the atmosphere”
— DESR 6055.09, Edition 1, Change 2, p. 38 ↗21AE containing toxic chemical agents is assigned which compatibility group, and how must it be stored?
Compatibility group K. CG K requires separate storage from other groups and may also require separate storage within the group.
VERIFIED AGAINST THE SOURCE
“CG K requires separate storage from other groups, and also may require separate storage within the group”
— DESR 6055.09, Edition 1, Change 2, p. 42 ↗22Which compatibility group covers AE with a special risk that does not permit storage with other types of AE?
Compatibility group L. Different types of CG L AE may be stored together only if they present similar hazards.
VERIFIED AGAINST THE SOURCE
“Different types of AE in CG L presenting similar hazards may be stored together”
— DESR 6055.09, Edition 1, Change 2, p. 38 ↗23How must AE in damaged packaging or in a suspect condition be stored?
Separately, as compatibility group L. Such AE is not compatible with other AE.
VERIFIED AGAINST THE SOURCE
“AE in damaged packaging, in a suspect condition, or with characteristics that increase risk in storage are not compatible with other AE and will be stored separately (as CG L)”
— DESR 6055.09, Edition 1, Change 2, p. 40 ↗24Small arms ammunition and explosive switches or valves are assigned which compatibility group?
Compatibility group S: AE packaged or designed so that hazardous effects from accidental functioning do not significantly hinder firefighting.
VERIFIED AGAINST THE SOURCE
“Group S. AE that presents no significant hazard and is packaged or designed so that any hazardous effects from accidental functioning are limited to the extent that they do not significantly hinder firefighting. Examples include explosive switches or valves and small arms ammunition”
— DESR 6055.09, Edition 1, Change 2, p. 39 ↗25Where is the sensitivity group (SG) assigned to an HD 1.1 or HD 1.2 AE item found?
In the Joint Hazard Classification System (JHCS).
VERIFIED AGAINST THE SOURCE
“The SG assigned to an HD 1.1 and HD 1.2 AE item is found in the Joint Hazard Classification System (JHCS)”
— DESR 6055.09, Edition 1, Change 2, p. 39 ↗26What storage arrangement provides the highest degree of safety for AE?
Separate storage of AE by HD and type. Only compatible AE will be stored together.
VERIFIED AGAINST THE SOURCE
“Only compatible AE will be stored together”
— DESR 6055.09, Edition 1, Change 2, p. 39 ↗27How does the DoD hazard classification system classify riot control articles without explosive components and bulk toxic chemical agents?
As HD 6.1.
VERIFIED AGAINST THE SOURCE
“The DoD hazard classification system classifies articles that contain riot control substances, without explosives components, and bulk toxic CAs as HD 6.1”
— DESR 6055.09, Edition 1, Change 2, p. 40 ↗28Is the explosive weight of non-regulated AE and AE assigned to Classes 2 through 9 counted for quantity-distance purposes?
No. Their explosive weight is not considered for QD purposes.
VERIFIED AGAINST THE SOURCE
“The explosive weight of nonregulated AE and AE assigned to Classes 2 through 9 is not considered for QD purposes”
— DESR 6055.09, Edition 1, Change 2, p. 40 ↗29What are the maximum allowable NEWQD limits in a high performance magazine (HPM) cell and in its loading dock?
30,000 lbs in an HPM cell and 60,000 lbs in the loading dock.
VERIFIED AGAINST THE SOURCE
“The maximum allowable NEWQD is 30,000 lbs [13,608 kg] in an HPM cell and 60,000 lbs [27,215”
— DESR 6055.09, Edition 1, Change 2, p. 40 ↗30On the storage compatibility mixing chart, what does an 'X' at the intersection of two compatibility groups mean?
The two groups may be combined in storage.
VERIFIED AGAINST THE SOURCE
“An “X” at an intersection indicates that the groups may be combined in storage”
— DESR 6055.09, Edition 1, Change 2, p. 42 ↗31On the storage compatibility mixing chart, what does a 'Z' at an intersection mean?
When operationally warranted or magazines are unavailable, and safety is not sacrificed, the DoD Components may approve mixed storage of limited quantities of some items from different groups.
VERIFIED AGAINST THE SOURCE
“A “Z” at an intersection indicates that, when warranted by operational considerations or magazine non-availability and when safety is not sacrificed, the DoD Components may approve mixed storage of limited quantities of some items from different groups”
— DESR 6055.09, Edition 1, Change 2, p. 42 ↗32When equal numbers of separately packaged components of a complete round are stored together, which compatibility applies?
The compatibility of the complete round.
VERIFIED AGAINST THE SOURCE
“When so stored, compatibility is that of the complete round”
— DESR 6055.09, Edition 1, Change 2, p. 42 ↗33May AE designated 'Practice' or 'Training' be stored with the tactical AE it simulates?
Yes, if the DoD Component authorizes it, regardless of the CG assigned.
VERIFIED AGAINST THE SOURCE
“The DoD Components may authorize AE-designated “Practice” or “Training” by nomenclature, regardless of the CG assigned, to be stored with the tactical AE it simulates”
— DESR 6055.09, Edition 1, Change 2, p. 42 ↗34Up to what total NEWQD may DoD Components generally authorize mixing compatibility groups in limited quantities, and which groups are excluded?
1,000 lbs [454 kg] total NEWQD or less. Items in CG A, K and L are excluded.
VERIFIED AGAINST THE SOURCE
“The DoD Components may authorize the mixing of CGs, except items in CG A, K, and L, in limited quantities generally of 1,000 lbs [454 kg] total NEWQD or less”
— DESR 6055.09, Edition 1, Change 2, p. 42 ↗35For mixed storage, how must AE be packaged, and may containers be opened to issue items from storage locations?
It must be in its standard storage and shipping container, and containers will not be opened to issue items from storage locations.
VERIFIED AGAINST THE SOURCE
“For purposes of mixing, all AE must be packaged in its standard storage and shipping container. AE containers will not be opened for issuing items from storage locations”
— DESR 6055.09, Edition 1, Change 2, p. 42 ↗36When an explosion produces several effects, which one determines the quantity-distance requirement?
The effect requiring the greatest distance.
VERIFIED AGAINST THE SOURCE
“QD is determined by the effect requiring the greatest distance”
— DESR 6055.09, Edition 1, Change 2, p. 43 ↗37How is the NEWQD of an item made up, and how does it compare with the NEW for HD 1.1?
NEWQD is the total high explosive weight plus the total net propellant weight. For HD 1.1, NEWQD equals the NEW.
VERIFIED AGAINST THE SOURCE
“The NEWQD is the total high explosive weight (HEW) and the total net propellant weight (NPW). For HD 1.1, NEWQD equals the NEW”
— DESR 6055.09, Edition 1, Change 2, p. 43 ↗38Are munition fillers such as colored and HC smoke, dyes, irritants and WP counted when determining NEWQD?
No. Fillers that do not contribute to explosive effects are excluded when determining NEWQD.
VERIFIED AGAINST THE SOURCE
“fillers that do not contribute to explosive effects (e.g., colored and HC smoke, dyes, irritants, WP, PWP, and TPA) are excluded when determining NEWQD”
— DESR 6055.09, Edition 1, Change 2, p. 44 ↗39Does HD 1.4 AE affect the NEWQD when hazard divisions are mixed?
No. The presence of HD 1.4 does not affect the NEWQD of mixed hazard divisions.
VERIFIED AGAINST THE SOURCE
“The presence of HD 1.4 does not affect the NEWQD of mixed HDs”
— DESR 6055.09, Edition 1, Change 2, p. 44 ↗40When HD 1.1 and HD 1.3 AE are stored together, how is the mixture treated for QD?
Sum the NEWQD of the HD 1.1 and the HD 1.3, and treat the mixture as HD 1.1.
VERIFIED AGAINST THE SOURCE
“Sum the NEWQD for HD 1.1 and the NEWQD for HD 1.3 and treat the mixture as HD 1.1”
— DESR 6055.09, Edition 1, Change 2, p. 45 ↗41When HD 1.6 and HD 1.3 AE are mixed, how is the mixture treated for QD?
Sum the NEWQD of the HD 1.6 and the HD 1.3, and treat the mixture as HD 1.3.
VERIFIED AGAINST THE SOURCE
“Sum the NEWQD for the HD 1.6 and the NEWQD for the HD 1.3 and treat the mixture as HD 1.3”
— DESR 6055.09, Edition 1, Change 2, p. 45 ↗42How are QD separation distances measured when a hill lies between the PES and the ES?
Along straight lines, over or around the feature, whichever distance is shorter.
VERIFIED AGAINST THE SOURCE
“Separation distances are measured along straight lines. For large intervening topographical features such as hills, measure over or around the feature, whichever distance is shorter”
— DESR 6055.09, Edition 1, Change 2, p. 46 ↗43How is a railcar or motor vehicle loaded with AE treated if it is not separated from a PES well enough to prevent mass detonation?
The conveyance and the PES are considered a single unit, and their NEWQD is summed.
VERIFIED AGAINST THE SOURCE
“the conveyance and PES must be considered as a unit and their NEWQD summed”
— DESR 6055.09, Edition 1, Change 2, p. 46 ↗44How many fire divisions are there, and which one indicates the greatest hazard?
Four fire divisions. Fire division 1 is the greatest hazard, and the hazard decreases as the number rises from 1 to 4.
VERIFIED AGAINST THE SOURCE
“There are four fire divisions. Fire division 1 indicates the greatest hazard. The hazard decreases with ascending fire division numbers from 1 to 4”
— DESR 6055.09, Edition 1, Change 2, p. 67 ↗45Which hazard divisions fall under fire division 2?
HD 1.2 and HD 1.6 (non-mass explosion, fragment producing).
VERIFIED AGAINST THE SOURCE
“2 Non-mass explosion, fragment producing 1.2 and 1.6”
— DESR 6055.09, Edition 1, Change 2, p. 67 ↗46What symbol shapes represent fire divisions 1 through 4?
Octagon for fire division 1, cross for 2, inverted triangle for 3 and diamond for 4. The shapes differ so the symbols can be identified from long range.
VERIFIED AGAINST THE SOURCE
“For the purpose of identifying these symbols from long range, the symbols differ in shape”
— DESR 6055.09, Edition 1, Change 2, p. 68 ↗47What size of fire division symbol may be used on doors or lockers inside buildings?
Half-sized symbols.
VERIFIED AGAINST THE SOURCE
“For application on doors or lockers inside buildings, half -sized symbols may be used”
— DESR 6055.09, Edition 1, Change 2, p. 68 ↗48Must fire symbols always be posted at an AE storage site?
No. At the DoD Component's discretion, circumstances such as security may make it undesirable to post fire symbols at an AE storage site.
VERIFIED AGAINST THE SOURCE
“At the discretion of the DoD Components, circumstances (e.g., security) may make it undesirable to post fire symbols at an AE storage site”
— DESR 6055.09, Edition 1, Change 2, p. 68 ↗49What does set 1 of chemical hazard symbol 1 indicate?
The presence of highly toxic CAs that may cause death or serious damage to body functions. Set 1 requires full protective clothing.
VERIFIED AGAINST THE SOURCE
“Set 1 of chemical hazard symbol 1 requires full protective clothing as identified in Figure V1.E10.F 2. and Table V1.E10.T 3. and indicates the presence of highly toxic CAs that may cause death or serious damage to body functions”
— DESR 6055.09, Edition 1, Change 2, p. 70 ↗50What does set 3 of chemical hazard symbol 1 indicate?
The presence of WP (white phosphorus) or other spontaneously combustible material. Set 3 requires full protective clothing.
VERIFIED AGAINST THE SOURCE
“contain white phosphorus (WP)”
— DESR 6055.09, Edition 1, Change 2, p. 38 ↗51Chemical hazard symbol 3 warns firefighters against doing what?
Applying water. A dangerous reaction will occur if water is used to try to extinguish the fire.
VERIFIED AGAINST THE SOURCE
“indicates a dangerous reaction will occur if water is used in an attempt to extinguish the fire”
— DESR 6055.09, Edition 1, Change 2, p. 74 ↗52When should a fire in the vicinity of AE not be fought?
When the fire involves AE, is supplying heat to the AE, or is too large to extinguish with the equipment at hand. Personnel must then be evacuated.
VERIFIED AGAINST THE SOURCE
“Not fought if the fire involves AE, or is supplying heat to the AE, or is so large that it cannot be extinguished with the equipment at hand. Personnel must be evacuated in accordance with paragraph V1.E10.5.2”
— DESR 6055.09, Edition 1, Change 2, p. 74 ↗53What is the minimum initial emergency withdrawal distance for nonessential personnel?
At least IBD (inhabited building distance) for the PES involved.
VERIFIED AGAINST THE SOURCE
“within inhabited building distance (IBD)”
— DESR 6055.09, Edition 1, Change 2, p. 33 ↗54When the hazard division is unknown, what emergency withdrawal distance applies to nonessential personnel for AE in a facility or truck, and for AE in a railcar?
4,000 ft for a facility, truck or tractor trailer, and 5,000 ft for a railcar.
VERIFIED AGAINST THE SOURCE
“Unknown, located in railcar 5,000 5,000”
— DESR 6055.09, Edition 1, Change 2, p. 76 ↗55What emergency withdrawal distances apply to nonessential personnel for HD 1.2/1.6, for HD 1.3 of unknown quantity, and for HD 1.4?
2,500 ft for HD 1.2 and 1.6, 600 ft for HD 1.3 of unknown quantity, and 300 ft for HD 1.4.
VERIFIED AGAINST THE SOURCE
“1.2b and 1.6 2,500 2,500 [762] [762] 1.3 600 Twice IBD with a 600 ft [183 m] minimum (V3.E3.T13) [183] 1.4 300 300”
— DESR 6055.09, Edition 1, Change 2, p. 76 ↗56Who determines the withdrawal distance for essential personnel at an AE accident?
The emergency authorities on site.
VERIFIED AGAINST THE SOURCE
“Emergency authorities on site will determine the withdrawal distance for essential personnel at accidents”
— DESR 6055.09, Edition 1, Change 2, p. 75 ↗57Within how many days of its last use must AE and visible explosives residue be removed from a storage facility no longer used to store AE?
180 days.
VERIFIED AGAINST THE SOURCE
“AE and any visible explosives residues are removed within 180 days from the last use of the storage facility”
— DESR 6055.09, Edition 1, Change 2, p. 78 ↗58Lightning protection systems for DoD AE facilities must be designed using what method?
The rolling sphere method with a radius of 100 ft or less, in accordance with Chapter 8 of NFPA 780.
VERIFIED AGAINST THE SOURCE
“designed and installed using the rolling sphere method with a radius of 100 ft [30.5 m] or less in accordance with Chapter 8 of NFPA 780”
— DESR 6055.09, Edition 1, Change 2, p. 87 ↗59What is the maximum interval between visual inspections, and between electrical tests, of a lightning protection system?
1 year between visual inspections and 2 years between electrical tests, or an interval determined by a continuously validating statistical model approved by the DDESB.
VERIFIED AGAINST THE SOURCE
“The maximum interval between LPS electrical testing is 2 years”
— DESR 6055.09, Edition 1, Change 2, p. 88 ↗60What are the maximum resistance values allowed in lightning protection bonding tests and earth electrode tests?
1 ohm across each bond, and 25 ohms resistance to earth.
VERIFIED AGAINST THE SOURCE
“The maximum resistance to earth must not exceed 25 ohms”
— DESR 6055.09, Edition 1, Change 2, p. 88 ↗Know questions we're missing?
Submit your own Q&A pairs. AI reviews them for quality, then they go live for everyone.
Study these as flashcards
Load all 60 questions into a free study set — flashcards, a practice test, and spaced repetition. No account.
Works on any PDF, doc or web page too — not just military training.
Veteran? vetaid.ai — free VA benefits help.