FIREFIGHTER HAZMAT OPS TEST FINAL EXAM |2025 Newest
update|Recently testing real exam questions|COMPREHENSIVE
QUESTIONS AND VERIFIED ANSWERS|already graded A+
Compared to other types of incidents to which first responders are commonly called, hazardous
material incidents typically ___________. - ANSWER-more complicated
By which acronym are the federal regulations detailing hazardous materials response competencies
collectively known? - ANSWER-HAZWOPER
Which of the following actions is permitted for operations-level hazardous materials
responders? - ANSWER-closing remote valve
Which federal agency enforces and publicizes laws and regulations governing
transportation of hazardous materials? - ANSWER-department of transportation
What is the minimum level of hazardous materials training for a hazardous materials
officer? - ANSWER-operations
Ideally, when should response to a hazardous materials incident begin? - ANSWER-during pre incident
planning
What is the minimum level of hazardous materials training required to take defensive
actions? - ANSWER-operations
What is the temperature at which a flammable liquid will ignite without any external
ignition source? - ANSWER-ignition temperature
What is the vapor density of air? - ANSWER-1
According to the NFPA, what is defined as a material capable of posing an unreasonable
risk to health, safety, or the environment? - ANSWER-Hazard
What is the term for the process by which people, animals, the environment, and
equipment come into contact with a hazardous material? - ANSWER-exposure
Which mnemonic helps fire fighters remember the seven categories of harm that can be
caused by terrorism agents or other hazardous materials? - ANSWER-TRACEMP
Which of the following is the most toxic nerve agent? - ANSWER-VX
What is the maximum capacity of an intermodal tank? - ANSWER-6,000 gallons (22,700 L)
What does the NFPA 704 marking system address? - ANSWER-Hazardous materials at fixed facilities
What is the typical maximum pressure reading for a standard oxygen cylinder used in
the medical field? - ANSWER-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? - ANSWER-corrosives
Which free service can be accessed to connect fire fighters with chemical
manufacturers, chemists, and other specialists during a chemical incident? - ANSWER-Chemtrec
, What is the term for shipping papers carried on railroad transportation? - ANSWER-waybill
What is most commonly contained in large, above-ground, horizontal storage tanks? - ANSWER-
flammable or combustible liquid
Which item must be included on a pipeline warning sign? - ANSWER-emergency contact number
Are above-ground storage tanks pressurized or nonpressurized? - ANSWER-can be either one
A high-pressure intermodal tank is commonly used to transport __________. - ANSWER-liquified gas
Which information is critical for proper selection of PPE? - ANSWER-physical and chemical properties
A motor vehicle accident causes a small gasoline spill. This is a Level _____ incident. - ANSWER-Level I
Hazardous materials operations-level responders should perform only those actions that
__________. - ANSWER-do not involve contact with material
Which factor is the most important when determining the level of PPE required for a
hazardous materials incident? - ANSWER-the physical state of material
Which reference should responders consult first to determine protective action zones? - ANSWER-
ERG
Which course of action is appropriate when a spilled material cannot be identified? - ANSWER-take
conservative defensive measures
Which EPA level of chemical-protective clothing provides a high level of respiratory
protection, but less skin protection? - ANSWER-B
Which chemical-protective clothing is a single-piece garment that totally encloses the
wearer? - ANSWER-encapsulating suit
What is the term for the physical destruction or decomposition of clothing due to
chemical exposure, general use, or ambient conditions? - ANSWER-Degradation
Which control zone is referred to as the safe zone? - ANSWER-cold zone
Skin contact with an alkaline material is most likely to cause __________. - ANSWER-dissolving skin
tissue
What is the recommended treatment for heat exhaustion? - ANSWER-rest and rehydration
Which of the following occupies the warm zone? - ANSWER-Decontamination corridor
What is the term for the placement of impervious materials to form a barrier so as to
limit the spread of a liquid hazardous material? - ANSWER-diking
During use of the shelter-in-place technique, the ventilation system should be
__________. - ANSWER-turned off
What is the most reliable way to determine how far to extend actual evacuation
distances? - ANSWER-detection equipment
Following mass decontamination, victims should be directed to the __________. - ANSWER-triage
area
update|Recently testing real exam questions|COMPREHENSIVE
QUESTIONS AND VERIFIED ANSWERS|already graded A+
Compared to other types of incidents to which first responders are commonly called, hazardous
material incidents typically ___________. - ANSWER-more complicated
By which acronym are the federal regulations detailing hazardous materials response competencies
collectively known? - ANSWER-HAZWOPER
Which of the following actions is permitted for operations-level hazardous materials
responders? - ANSWER-closing remote valve
Which federal agency enforces and publicizes laws and regulations governing
transportation of hazardous materials? - ANSWER-department of transportation
What is the minimum level of hazardous materials training for a hazardous materials
officer? - ANSWER-operations
Ideally, when should response to a hazardous materials incident begin? - ANSWER-during pre incident
planning
What is the minimum level of hazardous materials training required to take defensive
actions? - ANSWER-operations
What is the temperature at which a flammable liquid will ignite without any external
ignition source? - ANSWER-ignition temperature
What is the vapor density of air? - ANSWER-1
According to the NFPA, what is defined as a material capable of posing an unreasonable
risk to health, safety, or the environment? - ANSWER-Hazard
What is the term for the process by which people, animals, the environment, and
equipment come into contact with a hazardous material? - ANSWER-exposure
Which mnemonic helps fire fighters remember the seven categories of harm that can be
caused by terrorism agents or other hazardous materials? - ANSWER-TRACEMP
Which of the following is the most toxic nerve agent? - ANSWER-VX
What is the maximum capacity of an intermodal tank? - ANSWER-6,000 gallons (22,700 L)
What does the NFPA 704 marking system address? - ANSWER-Hazardous materials at fixed facilities
What is the typical maximum pressure reading for a standard oxygen cylinder used in
the medical field? - ANSWER-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? - ANSWER-corrosives
Which free service can be accessed to connect fire fighters with chemical
manufacturers, chemists, and other specialists during a chemical incident? - ANSWER-Chemtrec
, What is the term for shipping papers carried on railroad transportation? - ANSWER-waybill
What is most commonly contained in large, above-ground, horizontal storage tanks? - ANSWER-
flammable or combustible liquid
Which item must be included on a pipeline warning sign? - ANSWER-emergency contact number
Are above-ground storage tanks pressurized or nonpressurized? - ANSWER-can be either one
A high-pressure intermodal tank is commonly used to transport __________. - ANSWER-liquified gas
Which information is critical for proper selection of PPE? - ANSWER-physical and chemical properties
A motor vehicle accident causes a small gasoline spill. This is a Level _____ incident. - ANSWER-Level I
Hazardous materials operations-level responders should perform only those actions that
__________. - ANSWER-do not involve contact with material
Which factor is the most important when determining the level of PPE required for a
hazardous materials incident? - ANSWER-the physical state of material
Which reference should responders consult first to determine protective action zones? - ANSWER-
ERG
Which course of action is appropriate when a spilled material cannot be identified? - ANSWER-take
conservative defensive measures
Which EPA level of chemical-protective clothing provides a high level of respiratory
protection, but less skin protection? - ANSWER-B
Which chemical-protective clothing is a single-piece garment that totally encloses the
wearer? - ANSWER-encapsulating suit
What is the term for the physical destruction or decomposition of clothing due to
chemical exposure, general use, or ambient conditions? - ANSWER-Degradation
Which control zone is referred to as the safe zone? - ANSWER-cold zone
Skin contact with an alkaline material is most likely to cause __________. - ANSWER-dissolving skin
tissue
What is the recommended treatment for heat exhaustion? - ANSWER-rest and rehydration
Which of the following occupies the warm zone? - ANSWER-Decontamination corridor
What is the term for the placement of impervious materials to form a barrier so as to
limit the spread of a liquid hazardous material? - ANSWER-diking
During use of the shelter-in-place technique, the ventilation system should be
__________. - ANSWER-turned off
What is the most reliable way to determine how far to extend actual evacuation
distances? - ANSWER-detection equipment
Following mass decontamination, victims should be directed to the __________. - ANSWER-triage
area
