Storage & Transportation of Explosives Flashcards
7 cards from real CES practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Storage & Transportation of Explosives flashcards as text
What placarding is required on a vehicle transporting Division 1.1 explosive materials under DOT regulations?
Answer: EXPLOSIVE 1.1 placards displayed on all four sides of the vehicle
DOT requires EXPLOSIVE 1.1 placards to be displayed on all four sides of vehicles transporting Division 1.1 materials regardless of quantity, ensuring visibility from every direction.
What is the primary purpose of a 'day box' (field box) used at a blasting work site?
Answer: To temporarily hold small quantities of explosives needed for that day's operations
A day box is an approved portable storage container that holds the quantity of explosives needed for a single day's work at the blast site, reducing multiple trips to the main magazine.
Which of the following is strictly prohibited in the vicinity of explosive magazines?
Answer: Combustible materials such as weeds and dry brush
ATF regulations require that combustible vegetation and debris be cleared from around magazines because fire spreading to the structure could cause a catastrophic explosion.
When explosives and detonators must be transported in the same vehicle, what is the required arrangement per DOT regulations?
Answer: Detonators must be in a separate, secured compartment or a separate vehicle
DOT and ATF require that detonators be transported separately from other explosives—either in a divided vehicle with a proper barrier meeting specifications or in a completely separate vehicle—mirroring the magazine storage separation requirement.
What is the regulatory term for the minimum required distance between an explosive storage magazine and a protected structure such as an inhabited building?
Answer: Separation distance
'Separation distance' is the ATF and IME regulatory term for the minimum required spacing between an explosive storage facility and a protected structure, determined using Quantity-Distance tables.
What ATF specification must padlocks used to secure Type I and Type II magazines meet?
Answer: A padlock with a hardened steel body and shackle of at least 3/8-inch diameter
ATF regulations (27 CFR 555.208) specify that Type I and Type II magazine padlocks must have a hardened steel body and a shackle of at least 3/8-inch diameter to resist forced entry.
Under DOT 49 CFR Part 172 Subpart H, who must receive hazardous materials training before handling or preparing shipments of explosive materials?
Answer: All employees who perform any function involving hazardous materials transport, including loading and documentation
DOT requires that all employees performing any hazmat transportation function—loading, unloading, marking, labeling, placarding, or preparing shipping papers—receive proper training, not just the driver.