TCFP & GFD HAZMAT
AWARENESS/OPS TEST QUESTIONS
WITH 100% CORRECT ANSWERS
a chemical with a vapor density of greater than 1 will tend to: - Answer- collect in low
areas and below-grade places
chemicals with specific gravities greater than 1 tend to: - Answer- sink
a liquid's ability to mix with water best defines: - Answer- solubility
a reaction that is associated with over-pressurization of closed containers and occurs at
a rate of one second or less is called a: - Answer- Boiling Liquid Expanding Vapor
Explosion (BLEVE)
responders can contact the shipper directly from the emergency contact information on
the: - Answer- shipping papers
a __________ is a release that is the result of a broken or damaged valve(s) that may
last from several seconds to several minutes, depending on the size of the opening,
type of container, and nature of contents - Answer- rapid relief
a chemical reaction between two or more materials that give off heat is known as: -
Answer- exothermic reaction
when a pressurized tanker fails violently due to over-pressurizing, the phenomenon is
called: - Answer- BLEVE
______ materials may cause severe chemical burns and extensive tissue damage on
contact. - Answer- corrosive
a _______ effect occurs at the point of contact with a hazardous substance. - Answer-
local
which substance would be classified as a chemical asphyxiant? - Answer- carbon
monoxide
vapors that attack the mucous membranes, such as the surfaces of the eyes, nose and
throat, are considered: - Answer- irritants
_______ interfere with oxygen exchange during normal respiration - Answer-
asphyxiants
,materials such as lithium, finely divided magnesium, sodium, and cesium are classified
as: - Answer- water reactive
________ is the difference between the upper and lower flammable limits of a gas or
vapor: - Answer- flammable (explosive) range
corrosiveness can be described as the: - Answer- measure of a substance's tendency to
deteriorate another substance
_______ is the ratio of the weight of a volume of liquid to the weight of an equal volume
of water, with water having a value of 1.0 - Answer- specific gravity
______ is the minimum temperature at which a liquid gives off sufficient vapors to form
an ignitable mixture with air. - Answer- flash point
which is considered to be a breach in a metal container? - Answer- punctures
in hazardous materials, one of the three time frames used for predicting the length of
time that exposures may be in contact with a hazardous material in an endangered area
is medium term. medium term means: - Answer- days, weeks, and months
in hazardous materials, one of the three time frames used for predicting the length of
time that exposures may be in contact with a hazardous material in an endangered area
is short term. short term means: - Answer- minutes and hours
in hazardous materials, one of the three time frames used for predicting the length of
time that exposures may be in contact with a hazardous material in an endangered area
is long term. long term means: - Answer- years and generations
all biological etiologic agents and toxins are designated as DOT hazard class: - Answer-
6
determining whether a vapor will rise or fall is commonly referred to as: - Answer- vapor
density
a product that is heavier than water and sinks when placed in water is an example of: -
Answer- specific gravity
the hemispheric dispersion pattern is best described as: - Answer- a circular or dome
vapor cloud extending up from the ground
chemicals that are classified as ______ can cause a severe allergic reaction. - Answer-
sensitizers
,a person who is repeatedly exposed to a chemical over a long period of time may
develop: - Answer- chronic health hazard
which is a dispersion pattern created by the release of a hazardous material? - Answer-
cloud
a poison that will cause a person to have seizures is called a(n): - Answer- convulsant
the irregular dispersion pattern is best described as: - Answer- carried by contaminated
responders
when exposed to heat or fire, a liquid with a low boiling point will: - Answer- more readily
change to a vapor than a liquid with a high boiling point
the temperature at which a liquid changes to a gas is best described as: - Answer- the
boiling point
the flammable range is best described as the: - Answer- percentage of gas or vapor
concentration in air
the minimum temperature at which a liquid fuel gives off sufficient vapors to form an
ignitable mixture with air near its surface is best described as - Answer- flash point
the minimum temperature to which a fuel in air must be heated to initiate self-sustained
combustion without initiation from an independent ignition source is best described as: -
Answer- autoignition temperature
when describing a product as a solid, liquid, or a gas, we are referring to its: - Answer-
physical state
all personnel and equipment exposed to hazardous materials are considered: - Answer-
contaminated
what would be the likely result of allowing a contaminated individual to leave the hot
zone without being decontaminated? - Answer- the contaminates would likely be
transferred to other personnel or equipment
carcinogens, mutagens, and teratogens are permanent and irreversible conditions
known as: - Answer- chronic health hazards
convulsants are best described as: - Answer- poisons that will cause an exposed
individual to have seizures
after repeated exposure, _________ will cause an allergic reaction. - Answer-
sensitizers/allergens
, toxic gases, blood agents, such as arsine and cyanogen chloride, would fall under
which UN/DOT hazard class and divison? - Answer- 2.3
which is considered a DOT hazard class 4 product? - Answer- flammable solid
one type of hazardous material that is classified as DOT class 1 is: - Answer- explosives
with a mass explosion hazard
the minimum temperature at which a liquid gives off sufficient vapors to form an
ignitable mixture, with air near the surface, is called the ________ point. - Answer- flash
vapor pressures of a substance at 100 degrees F - Answer- always higher than the
same substance at 68 degrees F
with DOT hazard class covers nerve agents used in chemical warfare? - Answer- DOT
6.1
in an emergency, responders can acquire a MSDS sheet from - Answer- manufacturer
of the chemical
the immediate concern when dealing with combustible liquid spills is to: - Answer-
prevent ignition of the fuel
most riot control agents are considered to be in DOT hazard class: - Answer- 6.1
choking agents like _______ attack the lungs causing tissue damage. - Answer-
phosgene
a specific class of chemicals, called blood agents are highly toxic to the human body
because they: - Answer- are chemical asphyxiants because they interfere with oxygen
utilization
materials such as benzene, asbestos, and arsenic are known as: - Answer- carcinogens
which is a symptom of an irritant exposure? - Answer- burning sensation to eyes
the _______ of a chemical is its ability to remain in the environment. - Answer-
persistance
one of the most common products of combustion encountered in structure fires is: -
Answer- carbon monoxide (CO)
to contact the shipper for hazard and response information, a firefighter can obtain
information number from: - Answer- the shipping papers
AWARENESS/OPS TEST QUESTIONS
WITH 100% CORRECT ANSWERS
a chemical with a vapor density of greater than 1 will tend to: - Answer- collect in low
areas and below-grade places
chemicals with specific gravities greater than 1 tend to: - Answer- sink
a liquid's ability to mix with water best defines: - Answer- solubility
a reaction that is associated with over-pressurization of closed containers and occurs at
a rate of one second or less is called a: - Answer- Boiling Liquid Expanding Vapor
Explosion (BLEVE)
responders can contact the shipper directly from the emergency contact information on
the: - Answer- shipping papers
a __________ is a release that is the result of a broken or damaged valve(s) that may
last from several seconds to several minutes, depending on the size of the opening,
type of container, and nature of contents - Answer- rapid relief
a chemical reaction between two or more materials that give off heat is known as: -
Answer- exothermic reaction
when a pressurized tanker fails violently due to over-pressurizing, the phenomenon is
called: - Answer- BLEVE
______ materials may cause severe chemical burns and extensive tissue damage on
contact. - Answer- corrosive
a _______ effect occurs at the point of contact with a hazardous substance. - Answer-
local
which substance would be classified as a chemical asphyxiant? - Answer- carbon
monoxide
vapors that attack the mucous membranes, such as the surfaces of the eyes, nose and
throat, are considered: - Answer- irritants
_______ interfere with oxygen exchange during normal respiration - Answer-
asphyxiants
,materials such as lithium, finely divided magnesium, sodium, and cesium are classified
as: - Answer- water reactive
________ is the difference between the upper and lower flammable limits of a gas or
vapor: - Answer- flammable (explosive) range
corrosiveness can be described as the: - Answer- measure of a substance's tendency to
deteriorate another substance
_______ is the ratio of the weight of a volume of liquid to the weight of an equal volume
of water, with water having a value of 1.0 - Answer- specific gravity
______ is the minimum temperature at which a liquid gives off sufficient vapors to form
an ignitable mixture with air. - Answer- flash point
which is considered to be a breach in a metal container? - Answer- punctures
in hazardous materials, one of the three time frames used for predicting the length of
time that exposures may be in contact with a hazardous material in an endangered area
is medium term. medium term means: - Answer- days, weeks, and months
in hazardous materials, one of the three time frames used for predicting the length of
time that exposures may be in contact with a hazardous material in an endangered area
is short term. short term means: - Answer- minutes and hours
in hazardous materials, one of the three time frames used for predicting the length of
time that exposures may be in contact with a hazardous material in an endangered area
is long term. long term means: - Answer- years and generations
all biological etiologic agents and toxins are designated as DOT hazard class: - Answer-
6
determining whether a vapor will rise or fall is commonly referred to as: - Answer- vapor
density
a product that is heavier than water and sinks when placed in water is an example of: -
Answer- specific gravity
the hemispheric dispersion pattern is best described as: - Answer- a circular or dome
vapor cloud extending up from the ground
chemicals that are classified as ______ can cause a severe allergic reaction. - Answer-
sensitizers
,a person who is repeatedly exposed to a chemical over a long period of time may
develop: - Answer- chronic health hazard
which is a dispersion pattern created by the release of a hazardous material? - Answer-
cloud
a poison that will cause a person to have seizures is called a(n): - Answer- convulsant
the irregular dispersion pattern is best described as: - Answer- carried by contaminated
responders
when exposed to heat or fire, a liquid with a low boiling point will: - Answer- more readily
change to a vapor than a liquid with a high boiling point
the temperature at which a liquid changes to a gas is best described as: - Answer- the
boiling point
the flammable range is best described as the: - Answer- percentage of gas or vapor
concentration in air
the minimum temperature at which a liquid fuel gives off sufficient vapors to form an
ignitable mixture with air near its surface is best described as - Answer- flash point
the minimum temperature to which a fuel in air must be heated to initiate self-sustained
combustion without initiation from an independent ignition source is best described as: -
Answer- autoignition temperature
when describing a product as a solid, liquid, or a gas, we are referring to its: - Answer-
physical state
all personnel and equipment exposed to hazardous materials are considered: - Answer-
contaminated
what would be the likely result of allowing a contaminated individual to leave the hot
zone without being decontaminated? - Answer- the contaminates would likely be
transferred to other personnel or equipment
carcinogens, mutagens, and teratogens are permanent and irreversible conditions
known as: - Answer- chronic health hazards
convulsants are best described as: - Answer- poisons that will cause an exposed
individual to have seizures
after repeated exposure, _________ will cause an allergic reaction. - Answer-
sensitizers/allergens
, toxic gases, blood agents, such as arsine and cyanogen chloride, would fall under
which UN/DOT hazard class and divison? - Answer- 2.3
which is considered a DOT hazard class 4 product? - Answer- flammable solid
one type of hazardous material that is classified as DOT class 1 is: - Answer- explosives
with a mass explosion hazard
the minimum temperature at which a liquid gives off sufficient vapors to form an
ignitable mixture, with air near the surface, is called the ________ point. - Answer- flash
vapor pressures of a substance at 100 degrees F - Answer- always higher than the
same substance at 68 degrees F
with DOT hazard class covers nerve agents used in chemical warfare? - Answer- DOT
6.1
in an emergency, responders can acquire a MSDS sheet from - Answer- manufacturer
of the chemical
the immediate concern when dealing with combustible liquid spills is to: - Answer-
prevent ignition of the fuel
most riot control agents are considered to be in DOT hazard class: - Answer- 6.1
choking agents like _______ attack the lungs causing tissue damage. - Answer-
phosgene
a specific class of chemicals, called blood agents are highly toxic to the human body
because they: - Answer- are chemical asphyxiants because they interfere with oxygen
utilization
materials such as benzene, asbestos, and arsenic are known as: - Answer- carcinogens
which is a symptom of an irritant exposure? - Answer- burning sensation to eyes
the _______ of a chemical is its ability to remain in the environment. - Answer-
persistance
one of the most common products of combustion encountered in structure fires is: -
Answer- carbon monoxide (CO)
to contact the shipper for hazard and response information, a firefighter can obtain
information number from: - Answer- the shipping papers
