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1. What is the primary responsibility of a powder carrier?
A) Detonating explosives
B) Transporting explosive powders safely
C) Supervising demolition sites
D) Mixing chemical compounds
B) Transporting explosive powders safely
Rationale: The powder carrier’s main duty is the safe handling
and transport of explosive powders to prevent accidents.
2. Which personal protective equipment (PPE) is essential for a
powder carrier?
A) Hard hat and steel-toed boots only
B) Flame-resistant clothing, gloves, and eye protection
C) Dust mask only
D) Earplugs only
B) Flame-resistant clothing, gloves, and eye protection
Rationale: Proper PPE minimizes exposure to sparks, heat, and
accidental powder ignition.
3. Before transporting powder, a carrier should always:
A) Inspect containers for leaks or damage
, B) Shake containers to check consistency
C) Leave containers in open sunlight
D) Mix different powders together
A) Inspect containers for leaks or damage
Rationale: Damaged containers can lead to accidental spills or
ignition; inspection is critical for safety.
4. Powder should never be:
A) Stored in a cool, dry place
B) Exposed to heat, sparks, or friction
C) Transported in approved containers
D) Handled using non-sparking tools
B) Exposed to heat, sparks, or friction
Rationale: Exposure to heat or friction increases the risk of
accidental ignition.
5. When transporting powder in a vehicle, it is important to:
A) Secure containers to prevent movement
B) Stack containers loosely
C) Keep windows open for ventilation only
D) Carry more powder than allowed for efficiency
A) Secure containers to prevent movement
Rationale: Preventing container movement reduces the chance
of accidental ignition during transit.
6. A powder carrier should report which of the following
immediately?
A) Late arrival at the site
B) Damaged or leaking powder containers
C) Weather conditions
D) Traffic delays
B) Damaged or leaking powder containers
, Rationale: Any compromised container poses immediate safety
hazards and must be reported.
7. Which tool is safest to use when handling powder?
A) Wooden scoop
B) Non-sparking metal scoop
C) Plastic bag only
D) Hands directly
B) Non-sparking metal scoop
Rationale: Non-sparking tools reduce the risk of igniting the
powder during handling.
8. When transferring powder from one container to another, you
should:
A) Work quickly to save time
B) Avoid creating sparks or friction
C) Use an open flame to check powder quality
D) Shake the powder vigorously
B) Avoid creating sparks or friction
Rationale: Sparks or friction can ignite the powder, leading to
explosions.
9. Which of the following is a sign that powder may have been
compromised?
A) Clumping, discoloration, or moisture presence
B) Fine, uniform granules
C) Stored in a cool, dry area
D) Tight-sealed containers
A) Clumping, discoloration, or moisture presence
Rationale: Compromised powder may become unstable or
unsafe for use.