HAZMAT Questions and Answers (2025/2026) (Verified Answers)

HAZMAT Questions and Answers (2022/2023)
(Verified Answers)


1. What is the expansion ratio of
propane a) 27:1
b) 80:1
c) 120:1
d) 270:1: d) 270:1


2. What is the flash point of gasoline
a) -80F
b) -45F
c) 25F
d) 75F: b) -45F


3. When the letters LD or LC are followed by a number, what does that
number indicate?
a) The average short term exposure limit
b) The percentage of test subjects that will die when exposed to a
specific amount
c)The lethal amount for all subjects of a specific test group
d) The average permissible exposure limit: b) The percentage of test
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, subjects that will die when exposed to a specific amount


4. What is an etiological agent?
a) a biohazard agent causing illness or death
b) a substance the gives off radiation
c) a dangerous material registered with the EPA
d) a substance that can cause harm to humans: a) a biohazard agent
causing illness or death


5. What is the temperature at which a liquid fuel gives off sufficient
vapor such that when an ignition source is present the vapors will
ignite?
a) Flammable range
b) Flash point
c) Fire point
d) Ignition temperature: b) Flash point


6. What is the term for the process by which people, animals, the
environ- ment, and equipment, are subjected to contact with a hazardous
material
a) Contamination
b) Risk
c) Hazard
d) Exposure: d) Exposure

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