IFSTA Chapter 24 Test Question and
answer rated A+
In North America, the U.N.'s Transportation of Dangerous Goods - Model Regulations is
the basis of: - correct answer the placarding, labeling, and marking system used to
identify hazardous materials during transportation.
Which marine vessels may serve as floating warehouses with hazardous goods,
vehicles, or rail cars inside? - correct answer Barges
The three mechanisms or harm in a container hazardous materials incident are: -
correct answer energy release, corrosivity, and toxicity.
In Step 4 of the APIE process, responders: - correct answer monitor progress to see
whether the response plan is working, and continue throughout the incident.
Liquid oxygen (LOX), nitrogen, helium, hydrogen, argon, and liquefied natural gas
(LNG) are examples of: - correct answer cryogens
In which type of occupancy are first responders MOST likely to find supplies of
anhydrous ammonia? - correct answer Farms
Which type of ionizing radiation consists of high-energy photons? - correct answer
Gamma
Materials with very little radioactivity that present no risk to the public should be shipped
using what type of packaging? - correct answer Excepted
Most hazmat incidents, such as gasoline and diesel fuel spills, involve what hazard
class? - correct answer Class 3
In the U.N. system, hazard classes are divided into: - correct answer nine classes that
include gases, infectious substances, and miscellaneous.
A boiling liquid expanding vapor explosion (BLEVE) is caused by: - correct answer a
heated liquid or gas expanding.
In addition to burning, all flammable and combustible liquids exhibit varying degrees of:
- correct answer toxicity.
Which method of detecting the presence of hazardous materials would pose the least
risk for a first responder? - correct answer Referring to a preincident survey of the
facility
, Locations such as ports, docks, railroad sidings, airplane hangars, and truck terminals: -
correct answer are likely locations for hazmat incidents.
The damaging effects of ionizing radiation occur at the _____ level. - correct answer
cellular
Small airborne particles of solid substances such as grain, flour, sugar, coal, metal, or
sawdust: - correct answer can ignite or explode.
Which statement about gases is most accurate? - correct answer Gases have an
undefined shape and keep expanding if uncontained.
What is a descriptive name, identification number, weight, or specification that includes
instructions, cautions, or U.N. marks, and is required on outer packaging of hazardous
materials? - correct answer Marking
A fuel that has moved beyond its upper flammable limit will: - correct answer be too
rich to burn.
Which statement about pipelines is MOST accurate? - correct answer Pipeline
companies must provide markers where pipelines cross under (or over) railroads or
waterways.
What are some reasons that preincident surveys might not be accurate or useful in a
hazmat incident? - correct answer Inventories, businesses, or other factors may
change without notice.
Breathing hazardous materials in through the nose or mouth is defined as: - correct
answer inhalation
Acute health effects are: - correct answer short-term effects that appear within hours
or days.
What is a 3.9-inch (100 mm) square-on-point diamond that identifies hazardous
materials within packaging? - correct answer Label
Biohazards such as infectious substances are part of which hazardous class? - correct
answer Class 6
The concentration (in air) at which the "average person" can smell a particular
compound is the: - correct answer odor threshold.
Uniform classification of hazardous substances and uniform labeling standards are key
elements of: - correct answer the Globally Harmonized System (GHS).
answer rated A+
In North America, the U.N.'s Transportation of Dangerous Goods - Model Regulations is
the basis of: - correct answer the placarding, labeling, and marking system used to
identify hazardous materials during transportation.
Which marine vessels may serve as floating warehouses with hazardous goods,
vehicles, or rail cars inside? - correct answer Barges
The three mechanisms or harm in a container hazardous materials incident are: -
correct answer energy release, corrosivity, and toxicity.
In Step 4 of the APIE process, responders: - correct answer monitor progress to see
whether the response plan is working, and continue throughout the incident.
Liquid oxygen (LOX), nitrogen, helium, hydrogen, argon, and liquefied natural gas
(LNG) are examples of: - correct answer cryogens
In which type of occupancy are first responders MOST likely to find supplies of
anhydrous ammonia? - correct answer Farms
Which type of ionizing radiation consists of high-energy photons? - correct answer
Gamma
Materials with very little radioactivity that present no risk to the public should be shipped
using what type of packaging? - correct answer Excepted
Most hazmat incidents, such as gasoline and diesel fuel spills, involve what hazard
class? - correct answer Class 3
In the U.N. system, hazard classes are divided into: - correct answer nine classes that
include gases, infectious substances, and miscellaneous.
A boiling liquid expanding vapor explosion (BLEVE) is caused by: - correct answer a
heated liquid or gas expanding.
In addition to burning, all flammable and combustible liquids exhibit varying degrees of:
- correct answer toxicity.
Which method of detecting the presence of hazardous materials would pose the least
risk for a first responder? - correct answer Referring to a preincident survey of the
facility
, Locations such as ports, docks, railroad sidings, airplane hangars, and truck terminals: -
correct answer are likely locations for hazmat incidents.
The damaging effects of ionizing radiation occur at the _____ level. - correct answer
cellular
Small airborne particles of solid substances such as grain, flour, sugar, coal, metal, or
sawdust: - correct answer can ignite or explode.
Which statement about gases is most accurate? - correct answer Gases have an
undefined shape and keep expanding if uncontained.
What is a descriptive name, identification number, weight, or specification that includes
instructions, cautions, or U.N. marks, and is required on outer packaging of hazardous
materials? - correct answer Marking
A fuel that has moved beyond its upper flammable limit will: - correct answer be too
rich to burn.
Which statement about pipelines is MOST accurate? - correct answer Pipeline
companies must provide markers where pipelines cross under (or over) railroads or
waterways.
What are some reasons that preincident surveys might not be accurate or useful in a
hazmat incident? - correct answer Inventories, businesses, or other factors may
change without notice.
Breathing hazardous materials in through the nose or mouth is defined as: - correct
answer inhalation
Acute health effects are: - correct answer short-term effects that appear within hours
or days.
What is a 3.9-inch (100 mm) square-on-point diamond that identifies hazardous
materials within packaging? - correct answer Label
Biohazards such as infectious substances are part of which hazardous class? - correct
answer Class 6
The concentration (in air) at which the "average person" can smell a particular
compound is the: - correct answer odor threshold.
Uniform classification of hazardous substances and uniform labeling standards are key
elements of: - correct answer the Globally Harmonized System (GHS).
