Army Explosive Safety Familiarization Exam 2023

What type of detonation occurs when a storage facility with high explosives detonates and its shock wave hits a nearby facility causing another explosion? - Answer- Deflagrate detonation Which of the following chemicals will react violently when it comes in contact with water? - Answer- TH, HC, TPA Select the correct order of the levels of protection from least protection required to most protection required. - Answer- IMD, ILD, PTRD, IBD The ultimate purpose of quantity distance is? - Answer- 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. - Answer- 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 - Answer- 210 Select the division of Hazard Class 1 that is the most dangerous. - Answer- 1.1 Determine the hazard class and division of this pallet. Use the Yellow Book if needed. (D533) - Answer- 1.3C Why are there divisions within Class 1? - Answer- specific hazards posed Cardinal Rule for safety - Answer- people, explosives, time Which of the following statements describe an SOP? - Answer- available in all work areas Who is responsible for the risk management process? - Answer- everyone Which statement does NOT apply to evaluating ammo procedures with the risk management (RM) process? - Answer- To help workers understand how the RM process replaces the SOP Which of the following safety guidelines is NOT correct? - Answer- 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 - Answer- 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 - Answer- 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 - Answer- 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? - Answer- fire symbol Which statement about demil operations is false? - Answer- Cell phones can be used as a means of communication on the range. Which statement about the scrap/inert certification process is false? - Answer- random pieces can be taken out How does an LPS provide protection? - Answer- The energy from a lightning strike travels from the mast into the ground. Which statement about static electricity is false? - Answer- Wearing nylon clothing in your work area can reduce the chance of a buildup of static electricity. catenary lightning protection system - Answer- 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? - Answer- symbol 1 set 3 Which of the following statements is false? 5 - Answer- Flame or spark-producing items are permitted in ammo areas as long as you have permission. ECM - Answer- igloo or bunker, steel and earth covered, preferred storage, vents, What are the characteristics of an AGM? - Answer- fireproof, less protective, larger than ECM Which statements about magazine operations are correct? - Answer- follow inside/outside instructions, clear path, unlocked when inside Which operation is NOT allowed inside a magazine? - Answer- air testing You have asked these workers why it is important to keep non-compatible ammo separated. Which one gave the correct response? - Answer- hazards Given three groups, C, D, and F, and one location, use the storage compatibility chart to determine if they are compatible for storage. - Answer- written approval (F=z) Which statement about shaped charges is false? - Answer- face the front wall in an ECM Which statement about pyrotechnics is false? - Answer- Wet or damp pyrotechnic materials can be safely stored. On-Post Transportation - Answer- 10BC, non spark, maintenance checks daily, placards placed with fire symbols, DD626, storage compatibility Off-Post - Answer- DD 626, placards without fire symbols, 10BC Which parts of the train are most sensitive? - Answer- fuze and primer A shock wave is created when - Answer- greater than speed of sound PPE for WP - Answer- 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? - Answer- low explosive train Select the terms that describe the effects of a high explosive. - Answer- slower than sound, shock wave, detonation IBD and PTRD - Answer- protects people Which section requires an operator's signature to verify the operator has read and understands the SOP? - Answer- operator's statement Once a hazard is identified, what two elements are considered to assess the hazard? - Answer- probability and severity Which statement about demil operations is false? - Answer- 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)? - Answer- cell phones, radio, walkie-talkies fire 1 - Answer- mass detonation