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CFD Academy HAZMAT Practice Exam
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Question
1
of 10
QUESTION 1 / 10
Cryogenic liquids can pose an asphyxiation hazard due to which condition in enclosed spaces?
Choose one answer below.
A
Oxygen displacement reducing ambient oxygen
✓
B
Increased oxygen levels causing fire hazard
✓
C
Instant combustion of surrounding air
✓
D
No atmospheric effect
✓
QUESTION 2 / 10
Who must approve moving an area from the hot zone to the cold zone?
Choose one answer below.
A
Incident Commander.
✓
B
Public health nurse.
✓
C
Building manager.
✓
D
Security guard.
✓
QUESTION 3 / 10
Which dispersion type is described as “Like a spherical release but occurs at ground level”?
Choose one answer below.
A
Spherical dispersion
✓
B
Circular dispersion
✓
C
Hemispherical dispersion
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D
Cloud dispersion pattern
✓
QUESTION 4 / 10
Which action best protects the public when a hazmat release is suspected?
Choose one answer below.
A
Evacuate to a safe distance and contact HazMat for guidance.
✓
B
Establish and maintain appropriate isolation distances.
✓
C
Move bystanders toward the scene to observe.
✓
D
Ignore protective measures and proceed with operations.
✓
QUESTION 5 / 10
Hazmat release causes damage to which of the following?
Choose one answer below.
A
People and property
✓
B
Wildlife and ecosystems
✓
C
Life, critical systems, property and the environment
✓
D
Critical infrastructure
✓
QUESTION 6 / 10
Liquid nitrogen is commonly used because it is which of the following?
Choose one answer below.
A
Highly reactive
✓
B
Toxic
✓
C
Inert
✓
D
Flammable
✓
QUESTION 7 / 10
Which statement about remote shutoffs is NOT a proper characteristic?
Choose one answer below.
A
They require a specialized permit to operate
✓
B
They are well marked and in easy to find locations
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C
They are near the entrance in fixed facilities
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D
They are at the valve controls or behind the driver's door in vehicles
✓
QUESTION 8 / 10
What value on the pH scale is considered neutral?
Choose one answer below.
A
0
✓
B
7
✓
C
14
✓
D
6
✓
QUESTION 9 / 10
What is the immediate action if a hazmat container starts venting, with risk of exposure?
Choose one answer below.
A
Attempt to collect a sample to identify the substance.
✓
B
Establish an exclusion zone, evacuate, and call HazMat; do not attempt to collect samples without PPE.
✓
C
Close the container with improvised materials.
✓
D
Ignore and continue operations.
✓
QUESTION 10 / 10
Cryogenic liquids are defined as those existing at temperatures below which threshold?
Choose one answer below.
A
-321°F
✓
B
-196°F
✓
C
-238°F
✓
D
-130°F
✓
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