Materials Comprehensive Questions and Verified Answers
(Complete Solutions Guide | Grade A+ Material)
Question 1
Which regulation establishes the primary safety standards for the Department of
Defense (DoD) Ammunition and Explosives Safety Standards?
A) OSHA 1910.119
B) DESR 6055.09
C) NAVSEA OP 5
D) AFMAN 91-201
Verified Answer: B) DESR 6055.09
, Explanation: DESR 6055.09 (Defense Explosives Safety Regulation) serves
as the foundational, overarching DoD standard for explosives safety, from
which individual branch regulations (like NAVSEA OP 5 or AFMAN 91-201)
are derived.
Question 2
What is the minimum age requirement for personnel allowed to handle Hazard
Division (HD) 1.1 materials without direct, line-of-sight supervision?
A) 16
B) 18
C) 21
D) 25
Verified Answer: B) 18
Explanation: Federal and DoD personnel regulations mandate that
individuals must be at least 18 years of age to work independently with
hazardous materials and explosives.
Question 3
Which of the following documents must be prominently posted at the entrance
of any explosive operating building?
A) Material Safety Data Sheet (MSDS)
B) Cardinal Rule Poster
C) Site Plan Approval Letter
D) Fire Symbol and Chemical Hazard Symbols
Verified Answer: D) Fire Symbol and Chemical Hazard Symbols
Explanation: Fire and chemical hazard symbols must be clearly visible to
emergency responders at the entrance of any explosive facility to
communicate active hazards instantly.
Question 4
, The Cardinal Rule of explosives safety states that personnel should expose the
minimum number of people, to the minimum amount of explosives, for the:
A) Maximum allowable distance
B) Minimum amount of time
C) Maximum production efficiency
D) Lowest operational cost
Verified Answer: B) Minimum amount of time
Explanation: The fundamental Cardinal Rule is: "Expose the minimum
number of people to the minimum amount of explosives for the minimum
amount of time."
Question 5
Who has the ultimate authority to approve a temporary deviation from standard
explosives safety requirements via an emergency waiver?
A) The local Safety Officer
B) The Quality Assurance Specialist (QASAS)
C) The Command Head or Designated High-Level Authority
D) The Warehouse Supervisor
Verified Answer: C) The Command Head or Designated High-Level
Authority
Explanation: Waivers involve accepting elevated operational risks and must
be vetted and formally signed by the installation commander or a designated
higher authority.
Question 6
What type of clothing material is strictly prohibited for personnel working
directly with electro-explosive devices (EEDs)?
A) 100% Cotton
B) Treated static-dissipative blends
, C) 100% Polyester or Nylon
D) Nomex
Verified Answer: C) 100% Polyester or Nylon
Explanation: Synthetic materials like 100% polyester or nylon generate high
levels of static electricity, which can inadvertently initiate sensitive electro-
explosive devices.
Question 7
How often must a formal, documented visual inspection of lightning protection
systems (LPS) on explosive storage magazines be conducted?
A) Weekly
B) Monthly
C) Semiannually
D) Annually
Verified Answer: D) Annually
Explanation: DoD standards require a comprehensive visual inspection of all
lightning protection systems at least once every 12 months to verify bonding
and physical integrity.
Question 8
When a thunderstorm approaches an explosive operating area, operations must
be terminated when lightning is detected within how many nautical miles?
A) 5 nautical miles
B) 10 nautical miles
C) 20 nautical miles
D) 50 nautical miles
Verified Answer: B) 10 nautical miles
Explanation: Safety regulations mandate terminating explosives handling
and evacuating to a safe area when lightning strikes within 10 nautical miles.