FIREFIGHTER HAZMAT OPS Exam Questions And Correct Verified Answers
New Updated Version 2026
1. What describes the nature of a material and the behaviors and interactions that occur
at a molecular level?
A. Physical properties
26
B. Covalent properties
C.Chemical properties
20
D. Mechanical properties - answer-C: Chemicial Properties
2. During rescue operations, will perform the actuaI search, rescue and
am
removal of victims from the hazardous area.
A. The unit leader
B. Medical responders
Ex
C. Entry team members
D. Backup team members - answer-C: Entry team members
s
rt
3. Who must operate under the guidance of a hazmat technician, SOP/G or an allied
professional when conducting technical decontamination?
pe
A. Ambulatory victims
B. Technical level responders
Ex
C. Operations level responders
D. Responders being contaminated - answer-C: Operations level responders
,4. During technical decontamination operations, typically perform such duties as
setting up the decon corridor, assisting in doffing of PPE, and performing physical
decontamination activities.
A. Allied professional specialists
B. Awareness Level responders
6
C. Operations Level Responders
2
D. Hazardous Materials Technicians - answer-C: Operations level responders
20
5. Responders can use potassium iodide (KI) starch paper to test:
A. The pH of unknown chemicals.
am
B. The concentration of toxic materials.
C. The oxidizing potential of unknown chemicals.
D. For presence of fluoride ions and gaseous hydrogen fluoride. - answer-A: the pH
Ex
of unknown chemicals
ts
6. Dome roof tanks, spheroid tanks, and noded spheroid tanks are types of
bulk facility storage tanks.
r
pe
A. Atmospheric
B. Floating Roof
Ex
C. Low Pressure
D. Cryogenic Liquid - answer-C: Low Pressure
7. Where can responders typically find emergency shutoff devices on corrosive
liquid tanks (MC/DOT 312)?
A. In the control box under the tank.
,B. In the loading/unloading area near valves and piping.
C. Behind the driver's side cab and on the left rear corner.
D. Corrosive liquid tanks do NOT typically have emergency shutoff devices. -answer-D:
Corrosive liquid tanks do NOT typically have emergency shutoff devices
26
8. What will provide the scene control required at hazmat and terrorist incidents to
prevent interference by unauthorized persons, minimize contamination, and help
ensure accountability of all personnel?
20
A. Areas of safe refuge.
B. Hazard control zones.
C. Decontamination corridors. am
D. Personnel-tracking systems. - answer-B: Hazard control zones
Ex
9. What assistance can be provided by Disaster Medical Assistance Teams (DMAT)?
A. Provide emergency medical care during a disaster or other event.
B. Provide technical assistance and personnel to recover, identity, and process deceased
s
victims.
rt
C. Manage large and/or complex incidents by providing fulllogistical support for receiving
pe
and distribution centers.
D. Locate and extract victims from a contaminated environment, perform mass
patient/casualty decontamination, and provide treatment as necessary to stabilize
Ex
patients for evacuation. - answer-A: Provide emergency medical care during a disaster of
other event
Under NIMS-ICS Command organization, the Safety Officer:
A. Must be trained to the Hazardous Materials Technician level at all incidents.
, B. Is responsible for identifying the materials or conditions involved in the incident.
C. May exercise emergency authority to stop or prevent unsafe acts when
immediate action is required.
D. Must implement a site security and control plan to limit the number of personnel
operating in control zone. - answer-C. May exercise emergency authority to stop or
6
prevent unsafe acts when immediate action is required.
2
At large hazardous materials incidents, what section of NIMS-ICS gathers,assimilates,
20
analyzes, and processes information needed for effective decision making.
A. Planning
B. Logistics
C. Operations
am
D. Intelligence and Information - answer-A: Planning
Ex
Which statement about transferring command is accurate?
A. The person assuming command must conduct their own size-up to gain as clear of a
ts
picture of the situation as possible.
B. Command can be transferred face-to face over the radio, but only to someone within the
r
pe
IC's company, organization, or agency.
C. Before transferring command, the IC must ensure that the new IC is both capable
of assuming command and willing to accept command.
Ex
D. Command may be transferred only once, as an incident grows larger, the IC may need to
delegate tasks to experienced assistants to help bring the situation under control. - answer-
C: Before transferring command, the IC must ensure that the new IC is both capable of
assuming command and willing to accept command.
New Updated Version 2026
1. What describes the nature of a material and the behaviors and interactions that occur
at a molecular level?
A. Physical properties
26
B. Covalent properties
C.Chemical properties
20
D. Mechanical properties - answer-C: Chemicial Properties
2. During rescue operations, will perform the actuaI search, rescue and
am
removal of victims from the hazardous area.
A. The unit leader
B. Medical responders
Ex
C. Entry team members
D. Backup team members - answer-C: Entry team members
s
rt
3. Who must operate under the guidance of a hazmat technician, SOP/G or an allied
professional when conducting technical decontamination?
pe
A. Ambulatory victims
B. Technical level responders
Ex
C. Operations level responders
D. Responders being contaminated - answer-C: Operations level responders
,4. During technical decontamination operations, typically perform such duties as
setting up the decon corridor, assisting in doffing of PPE, and performing physical
decontamination activities.
A. Allied professional specialists
B. Awareness Level responders
6
C. Operations Level Responders
2
D. Hazardous Materials Technicians - answer-C: Operations level responders
20
5. Responders can use potassium iodide (KI) starch paper to test:
A. The pH of unknown chemicals.
am
B. The concentration of toxic materials.
C. The oxidizing potential of unknown chemicals.
D. For presence of fluoride ions and gaseous hydrogen fluoride. - answer-A: the pH
Ex
of unknown chemicals
ts
6. Dome roof tanks, spheroid tanks, and noded spheroid tanks are types of
bulk facility storage tanks.
r
pe
A. Atmospheric
B. Floating Roof
Ex
C. Low Pressure
D. Cryogenic Liquid - answer-C: Low Pressure
7. Where can responders typically find emergency shutoff devices on corrosive
liquid tanks (MC/DOT 312)?
A. In the control box under the tank.
,B. In the loading/unloading area near valves and piping.
C. Behind the driver's side cab and on the left rear corner.
D. Corrosive liquid tanks do NOT typically have emergency shutoff devices. -answer-D:
Corrosive liquid tanks do NOT typically have emergency shutoff devices
26
8. What will provide the scene control required at hazmat and terrorist incidents to
prevent interference by unauthorized persons, minimize contamination, and help
ensure accountability of all personnel?
20
A. Areas of safe refuge.
B. Hazard control zones.
C. Decontamination corridors. am
D. Personnel-tracking systems. - answer-B: Hazard control zones
Ex
9. What assistance can be provided by Disaster Medical Assistance Teams (DMAT)?
A. Provide emergency medical care during a disaster or other event.
B. Provide technical assistance and personnel to recover, identity, and process deceased
s
victims.
rt
C. Manage large and/or complex incidents by providing fulllogistical support for receiving
pe
and distribution centers.
D. Locate and extract victims from a contaminated environment, perform mass
patient/casualty decontamination, and provide treatment as necessary to stabilize
Ex
patients for evacuation. - answer-A: Provide emergency medical care during a disaster of
other event
Under NIMS-ICS Command organization, the Safety Officer:
A. Must be trained to the Hazardous Materials Technician level at all incidents.
, B. Is responsible for identifying the materials or conditions involved in the incident.
C. May exercise emergency authority to stop or prevent unsafe acts when
immediate action is required.
D. Must implement a site security and control plan to limit the number of personnel
operating in control zone. - answer-C. May exercise emergency authority to stop or
6
prevent unsafe acts when immediate action is required.
2
At large hazardous materials incidents, what section of NIMS-ICS gathers,assimilates,
20
analyzes, and processes information needed for effective decision making.
A. Planning
B. Logistics
C. Operations
am
D. Intelligence and Information - answer-A: Planning
Ex
Which statement about transferring command is accurate?
A. The person assuming command must conduct their own size-up to gain as clear of a
ts
picture of the situation as possible.
B. Command can be transferred face-to face over the radio, but only to someone within the
r
pe
IC's company, organization, or agency.
C. Before transferring command, the IC must ensure that the new IC is both capable
of assuming command and willing to accept command.
Ex
D. Command may be transferred only once, as an incident grows larger, the IC may need to
delegate tasks to experienced assistants to help bring the situation under control. - answer-
C: Before transferring command, the IC must ensure that the new IC is both capable of
assuming command and willing to accept command.
