Firefighter Hazmat Operations Exam 2025 – Complete Practice
Questions and Correct Answers
Exam
Compared to other types of incidents to which first responders are commonly called, hazardous
material incidents typically ___________. - ✔✔ANSW✔✔..more complicated
By which acronym are the federal regulations detailing hazardous materials response
competencies collectively known? - ✔✔ANSW✔✔..HAZWOPER
Which of the following actions is permitted for operations-level hazardous materials
responders? - ✔✔ANSW✔✔..closing remote valve
Which federal agency enforces and publicizes laws and regulations governing
transportation of hazardous materials? - ✔✔ANSW✔✔..department of transportation
What is the minimum level of hazardous materials training for a hazardous materials
officer? - ✔✔ANSW✔✔..operations
Ideally, when should response to a hazardous materials incident begin? - ✔✔ANSW✔✔..during
pre incident planning
What is the minimum level of hazardous materials training required to take defensive
actions? - ✔✔ANSW✔✔..operations
What is the temperature at which a flammable liquid will ignite without any external
ignition source? - ✔✔ANSW✔✔..ignition temperature
What is the vapor density of air? - ✔✔ANSW✔✔..1
,Firefighter Hazmat Operations Exam 2025 – Complete Practice
Questions and Correct Answers
Exam
According to the NFPA, what is defined as a material capable of posing an unreasonable
risk to health, safety, or the environment? - ✔✔ANSW✔✔..Hazard
What is the term for the process by which people, animals, the environment, and
equipment come into contact with a hazardous material? - ✔✔ANSW✔✔..exposure
Which mnemonic helps fire fighters remember the seven categories of harm that can be
caused by terrorism agents or other hazardous materials? - ✔✔ANSW✔✔..TRACEMP
Which of the following is the most toxic nerve agent? - ✔✔ANSW✔✔..VX
What is the maximum capacity of an intermodal tank? - ✔✔ANSW✔✔..6,000 gallons (22,700 L)
What does the NFPA 704 marking system address? - ✔✔ANSW✔✔..Hazardous materials at fixed
facilities
What is the typical maximum pressure reading for a standard oxygen cylinder used in
the medical field? - ✔✔ANSW✔✔..2,000 psi (13,800 kPa)
Which cargo is carried by a highway tanker that has a smaller-diameter tank with
several reinforcing rings around the circumference? - ✔✔ANSW✔✔..corrosives
Which free service can be accessed to connect fire fighters with chemical
, Firefighter Hazmat Operations Exam 2025 – Complete Practice
Questions and Correct Answers
Exam
manufacturers, chemists, and other specialists during a chemical incident? -
✔✔ANSW✔✔..Chemtrec
What is the term for shipping papers carried on railroad transportation? - ✔✔ANSW✔✔..waybill
What is most commonly contained in large, above-ground, horizontal storage tanks? -
✔✔ANSW✔✔..flammable or combustible liquid
Which item must be included on a pipeline warning sign? - ✔✔ANSW✔✔..emergency contact
number
Are above-ground storage tanks pressurized or nonpressurized? - ✔✔ANSW✔✔..can be either
one
A high-pressure intermodal tank is commonly used to transport __________. -
✔✔ANSW✔✔..liquified gas
Which information is critical for proper selection of PPE? - ✔✔ANSW✔✔..physical and chemical
properties
A motor vehicle accident causes a small gasoline spill. This is a Level _____ incident. -
✔✔ANSW✔✔..Level I
Hazardous materials operations-level responders should perform only those actions that
__________. - ✔✔ANSW✔✔..do not involve contact with material
Questions and Correct Answers
Exam
Compared to other types of incidents to which first responders are commonly called, hazardous
material incidents typically ___________. - ✔✔ANSW✔✔..more complicated
By which acronym are the federal regulations detailing hazardous materials response
competencies collectively known? - ✔✔ANSW✔✔..HAZWOPER
Which of the following actions is permitted for operations-level hazardous materials
responders? - ✔✔ANSW✔✔..closing remote valve
Which federal agency enforces and publicizes laws and regulations governing
transportation of hazardous materials? - ✔✔ANSW✔✔..department of transportation
What is the minimum level of hazardous materials training for a hazardous materials
officer? - ✔✔ANSW✔✔..operations
Ideally, when should response to a hazardous materials incident begin? - ✔✔ANSW✔✔..during
pre incident planning
What is the minimum level of hazardous materials training required to take defensive
actions? - ✔✔ANSW✔✔..operations
What is the temperature at which a flammable liquid will ignite without any external
ignition source? - ✔✔ANSW✔✔..ignition temperature
What is the vapor density of air? - ✔✔ANSW✔✔..1
,Firefighter Hazmat Operations Exam 2025 – Complete Practice
Questions and Correct Answers
Exam
According to the NFPA, what is defined as a material capable of posing an unreasonable
risk to health, safety, or the environment? - ✔✔ANSW✔✔..Hazard
What is the term for the process by which people, animals, the environment, and
equipment come into contact with a hazardous material? - ✔✔ANSW✔✔..exposure
Which mnemonic helps fire fighters remember the seven categories of harm that can be
caused by terrorism agents or other hazardous materials? - ✔✔ANSW✔✔..TRACEMP
Which of the following is the most toxic nerve agent? - ✔✔ANSW✔✔..VX
What is the maximum capacity of an intermodal tank? - ✔✔ANSW✔✔..6,000 gallons (22,700 L)
What does the NFPA 704 marking system address? - ✔✔ANSW✔✔..Hazardous materials at fixed
facilities
What is the typical maximum pressure reading for a standard oxygen cylinder used in
the medical field? - ✔✔ANSW✔✔..2,000 psi (13,800 kPa)
Which cargo is carried by a highway tanker that has a smaller-diameter tank with
several reinforcing rings around the circumference? - ✔✔ANSW✔✔..corrosives
Which free service can be accessed to connect fire fighters with chemical
, Firefighter Hazmat Operations Exam 2025 – Complete Practice
Questions and Correct Answers
Exam
manufacturers, chemists, and other specialists during a chemical incident? -
✔✔ANSW✔✔..Chemtrec
What is the term for shipping papers carried on railroad transportation? - ✔✔ANSW✔✔..waybill
What is most commonly contained in large, above-ground, horizontal storage tanks? -
✔✔ANSW✔✔..flammable or combustible liquid
Which item must be included on a pipeline warning sign? - ✔✔ANSW✔✔..emergency contact
number
Are above-ground storage tanks pressurized or nonpressurized? - ✔✔ANSW✔✔..can be either
one
A high-pressure intermodal tank is commonly used to transport __________. -
✔✔ANSW✔✔..liquified gas
Which information is critical for proper selection of PPE? - ✔✔ANSW✔✔..physical and chemical
properties
A motor vehicle accident causes a small gasoline spill. This is a Level _____ incident. -
✔✔ANSW✔✔..Level I
Hazardous materials operations-level responders should perform only those actions that
__________. - ✔✔ANSW✔✔..do not involve contact with material
