Hazmat Ops Exam Questions and Answers
Hazmat Ops Exam Questions and Answers
Question 1
Use of only ______ self-contained breathing apparatus ( SCBA ) is allowed in incidents
where personnel are exposed to hazardous materials.
A. Pressure-demand close-circuit
B. Positive-pressure single-pathway
C. Pressure-demand open-circuit or closed-circuit
D. Positive-pressure open-circuit or closed-circuit
Correct Answer
D: Positive-pressure open-circuit or closed-circuit
Question 2
Normally, personnel trained below the Technician level do not attempt offensive
actions such as leak control; however, Operations responders with appropriate
training, procedures, equipment, and PPE can take offensive actions with:
A. Materials in containers intended for retail sale.
B. Solid materials such as dust, granules, and powders.
C. Compressed gases in containers of 75 cubic feet or smaller.
D. Gasoline, diesel, liquefied petroleum gas (LPG), and natural gas fuels.
Correct Answer
D: Gasoline, diesel, liquefied petroleum gas (LPG_, and natural gas fuels.
Question 3
What resources provide responders with the exposure limits for many materials?
A. Facility chemical inventory reports
B. Shipping papers or receiving documents
C. The emergency response guidebook ( ERG )
D. The NIOSH Pocket Guide to Hazardous Materials
Correct Answer
B: Shipping papers or receiving documents
Page 1 of 34
, Hazmat Ops Exam Questions and Answers
Question 4
What is and effective strategy to protect first responders at hazmat incidents?
A. Using time, distance, and shielding
B. Evacuation, escape, and sheltering
C. Rescue, decontamination, and triage
D. Reminding responders to stop, look, and listen
Correct Answer
A: Using time, distance, and shielding
Question 5
What type of illicit lab might contain wires, fuses, batteries, or switches; tubes and
pipes; or ammonium nitrate?
A. Biological lab
B. Explosives lab
C. Methamphetamine lab
D. Chemical weapons lab
Correct Answer
B: Explosives lab
Question 6
Spill control neutralization reactions can release:
A. Tremendous heat
B. Cryogenic vapors
C. Large volumes of runoff
D. Secondary Contaminants
Correct Answer
C: Large volumes of runoff
Page 2 of 34
, Hazmat Ops Exam Questions and Answers
Question 7
What weather condition is a critical factor to evaluate when working outside, as it may
cause rapid heat loss leading to cold emergency?
A. Snowfall
B. Wind chill
C. Cloud cover
D. Low temperature
Correct Answer
B: Wind chill
Question 8
Responders should bring emergency/mass decon operations quickly; the speed
necessary will be determined by:
A. The number of victim's present
B. The anxiety level of the victim's
C. The number of personnel available
D. The material and type of incident involved
Correct Answer
D: The material and type of incident involved
Question 9
Supplied air respirator ( SAR ) apparatus are limited by:
A. The limit duration of the air supply
B. The need to know the hazard present in the atmosphere
C. The potential for mechanical or heat damage to the air supply line
D. The need for the oxygen level to be between 19.5 and 23.5 percent
Correct Answer
C: The potential for mechanical or heat damage to the air supply line
Page 3 of 34
, Hazmat Ops Exam Questions and Answers
Question 10
What hazard class includes reactive substances or articles with a great deal of
potential energy that may rapidly expand and release upon activation?
A. Class 1: Explosives
B. Class 3: Flammable Liquids
C. Class 4: Flammable Solids; Spontaneously Combustible, and Dangerous When Wet
D. Class 7: Radioactive Materials
Correct Answer
A: Class 1: Explosives
Question 11
Leak control is an offensive product control strategy that attempts to:
A. Break the material into small droplets and encapsulate them
B. Confine a hazardous material that has been released from its container
C. Contain a material in its original container, or transfer it to another container
D. Mix a hazardous material with water or air lower the concentration to safe levels
Correct Answer
B: Confine a hazardous material that has been released from its container
Question 12
When a fixed facility, piping, or pipeline remote shutoff valve is operated to stop the
flow of product:
A. A loud alarm, flashing light, or both will be activated
B. The flow of product should stop almost immediately with no additional release.
C. A significant amount of product may release for some time before the flow stops.
D. A small amount of product may continue to flow as a pressure release safety
measure.
Correct Answer
C: A significant amount of product may release for some time before the flow stops.
Page 4 of 34
Hazmat Ops Exam Questions and Answers
Question 1
Use of only ______ self-contained breathing apparatus ( SCBA ) is allowed in incidents
where personnel are exposed to hazardous materials.
A. Pressure-demand close-circuit
B. Positive-pressure single-pathway
C. Pressure-demand open-circuit or closed-circuit
D. Positive-pressure open-circuit or closed-circuit
Correct Answer
D: Positive-pressure open-circuit or closed-circuit
Question 2
Normally, personnel trained below the Technician level do not attempt offensive
actions such as leak control; however, Operations responders with appropriate
training, procedures, equipment, and PPE can take offensive actions with:
A. Materials in containers intended for retail sale.
B. Solid materials such as dust, granules, and powders.
C. Compressed gases in containers of 75 cubic feet or smaller.
D. Gasoline, diesel, liquefied petroleum gas (LPG), and natural gas fuels.
Correct Answer
D: Gasoline, diesel, liquefied petroleum gas (LPG_, and natural gas fuels.
Question 3
What resources provide responders with the exposure limits for many materials?
A. Facility chemical inventory reports
B. Shipping papers or receiving documents
C. The emergency response guidebook ( ERG )
D. The NIOSH Pocket Guide to Hazardous Materials
Correct Answer
B: Shipping papers or receiving documents
Page 1 of 34
, Hazmat Ops Exam Questions and Answers
Question 4
What is and effective strategy to protect first responders at hazmat incidents?
A. Using time, distance, and shielding
B. Evacuation, escape, and sheltering
C. Rescue, decontamination, and triage
D. Reminding responders to stop, look, and listen
Correct Answer
A: Using time, distance, and shielding
Question 5
What type of illicit lab might contain wires, fuses, batteries, or switches; tubes and
pipes; or ammonium nitrate?
A. Biological lab
B. Explosives lab
C. Methamphetamine lab
D. Chemical weapons lab
Correct Answer
B: Explosives lab
Question 6
Spill control neutralization reactions can release:
A. Tremendous heat
B. Cryogenic vapors
C. Large volumes of runoff
D. Secondary Contaminants
Correct Answer
C: Large volumes of runoff
Page 2 of 34
, Hazmat Ops Exam Questions and Answers
Question 7
What weather condition is a critical factor to evaluate when working outside, as it may
cause rapid heat loss leading to cold emergency?
A. Snowfall
B. Wind chill
C. Cloud cover
D. Low temperature
Correct Answer
B: Wind chill
Question 8
Responders should bring emergency/mass decon operations quickly; the speed
necessary will be determined by:
A. The number of victim's present
B. The anxiety level of the victim's
C. The number of personnel available
D. The material and type of incident involved
Correct Answer
D: The material and type of incident involved
Question 9
Supplied air respirator ( SAR ) apparatus are limited by:
A. The limit duration of the air supply
B. The need to know the hazard present in the atmosphere
C. The potential for mechanical or heat damage to the air supply line
D. The need for the oxygen level to be between 19.5 and 23.5 percent
Correct Answer
C: The potential for mechanical or heat damage to the air supply line
Page 3 of 34
, Hazmat Ops Exam Questions and Answers
Question 10
What hazard class includes reactive substances or articles with a great deal of
potential energy that may rapidly expand and release upon activation?
A. Class 1: Explosives
B. Class 3: Flammable Liquids
C. Class 4: Flammable Solids; Spontaneously Combustible, and Dangerous When Wet
D. Class 7: Radioactive Materials
Correct Answer
A: Class 1: Explosives
Question 11
Leak control is an offensive product control strategy that attempts to:
A. Break the material into small droplets and encapsulate them
B. Confine a hazardous material that has been released from its container
C. Contain a material in its original container, or transfer it to another container
D. Mix a hazardous material with water or air lower the concentration to safe levels
Correct Answer
B: Confine a hazardous material that has been released from its container
Question 12
When a fixed facility, piping, or pipeline remote shutoff valve is operated to stop the
flow of product:
A. A loud alarm, flashing light, or both will be activated
B. The flow of product should stop almost immediately with no additional release.
C. A significant amount of product may release for some time before the flow stops.
D. A small amount of product may continue to flow as a pressure release safety
measure.
Correct Answer
C: A significant amount of product may release for some time before the flow stops.
Page 4 of 34
