HAZMAT OPS 03-19 Multiple Choice Questions
& Answers – Exam Prep | Latest Update 2026
| Graded A+
Vapors with values ______ 1.0 are considered lighter than air while vapors with values
_______ 1.0 are considered heavier than air.
a. more than; equal to
b. less than; more than
c. more than; less than
d. Equal to; less than - correct answerb. less than; more than
The following are characteristics of an evacuation except:
A. Opportunity and enough time must be available
B. Evacuees should be sent upwind
C. Evacuees must be kept in a safe refuge area (SRA)
D. The HVAC system should be shut down - correct answerD. The HVAC system
should be shut down
Operations level responders are persons who respond to hazardous materials/
weapons of mass destruction incidents for the purpose of implementing or supporting
actions.
True or False
Operations level responders typically used in offensive tactics - correct answerFalse
page 3
Sheltering in place means people should seek shelter inside a building and remain
inside until the danger passes, and the public should stay away from windows and
doors, as well as have the HVAC system shut down,TRUE OR FALSE? - correct
answerTrue
What are the factors that influence when determining the extent of physical health and
safety hazards within an endangered area of a hazardous materials? - correct answer-
Quantity and concentration of the hazardous materials release
- Number of exposures in the endangered area
- Manner in which the exposures are subjected to the hazardous material
________________ in order to determine the scope and potential outcomes by
surveying, collecting information, predicting the likely behavior, and estimating potential
harm - correct answerAnalyze
,page 3
______________ an initial response within the capabilities of available personnel by
describing the response objectives, response options, emergency decontamination
procedure, approving proper PPE, and developing a plan of action with safety
considerations - correct answerPlan
page 3
________________ the planned response to favorable change the outcomes by
establishing scene control, preservation of evidence, initiating an Incident Command
System (ICS), performing tasks identified in the incident plan of action (IAP) - correct
answerImplement
page 3
_______________ the progress to ensure the response objectives are being met safely,
effectively, and efficiently by evaluating and communicating the status of the response -
correct answerEvaluate
page 3
When should emergency decontamination be established?
a. Before the Incident
b. Immediately
c. After the offensive has begun
d. After the area has been evacuated - correct answerb. Immediately
Defensive HAZMAT OPS are described as;
a. Mounting a proper defense against probably HAZMAT emergencies
b.Handling the situation remotely, far away preparing for future operations
c. Moving civilians from a highly populated area to the rear in a defensive manner
d. Moving downwind - correct answerb. Handling the situation remotely, far away
preparing for future operations
As defined by Mr. V (needs to be edited)
Offensive HAZMAT OPS are described as;
a. Moving closer to the situation with proper PPE in order to deal with the problem
,b. Ensuring personnel are equipped with enough hoses to decon the site
c. Ensuring the Incident Commander (IC) is properly equipped
d. Bounding toward the Hazardous Materials - correct answera. Moving closer to the
situation with proper PPE in order to deal with the problem
as defined by mr V needs to be edited
Core of Federal Regulations (CFR) 29 is used for what Federal Service?
a. DoT (Department of Transportation)
b. The Occupation Saftey and Health Administration (OSHA
c. The Environmental Protection Agency (EPA)
d. The Department of Defense (DoD) - correct answerb. Occupation Safety and Health
Administration (OSHA)
Core of Federal Regulations (CFR) 49 is used for what Federal Service?
a. DoT (Department of Transportation)
b. The Occupation Saftey and Health Administration (OSHA
c. The Environmental Protection Agency (EPA)
d. The Department of Defense (DoD) - correct answera. The Department of
Transportation (DoT)
Core of Federal Regulations 40 (CFR) is used for what Federal Service?
a. DoT (Department of Transportation)
b. The Occupation Saftey and Health Administration (OSHA
c. The Environmental Protection Agency (EPA)
d. The Department of Defense (DoD) - correct answerc. The Environmental Protection
Agency (EPA)
What are TWO OTHER NAMES for a NON PRESSURE TANK CAR?
a. Tank Car and Basic Tank Car
, b. General Service Tank Car and Low-Pressure Tank Car
c. Partial Pressure Tank Car and Fuelsalage Car
d. Rail Car Tank and Copious Tank Car - correct answerb. General Service Tank Car
and Low Pressure Tank Car
page 4
What kind of materials can NON PRESSURE TANK CARS carry?
a. Dry goods
b. Fuel Only
c. Flammable/ Combustible liquids
d. Gasses - correct answerc. Flammable/ Combustible Liquids
page 4
What is the psi range for a NON PRESSURE TANK CAR?
a. 60-100 psi
b. 100-600 psi
c. 25 psi or lower
d. 0 psi or lower - correct answera. 60-100 psi
page 4
BESIDES psi, what does a NON PRESSURE TANK CAR have compared to a
PRESSURED TANK CAR?
a. Manway
b. Cabinet
c. Vacuum space
d. Visible Fittings - correct answerd. Visible Fittings
page 4
What is the capacity (Gallons) for both NON PRESSURE and PRESSURE TANK
CARS?
a. 1500-2000 gallons
b. 6000-80000 gallons
c. 4000-45000 gallons
d. 900-11500 gallons - correct answerc. 4,000-45,000 Gallons
& Answers – Exam Prep | Latest Update 2026
| Graded A+
Vapors with values ______ 1.0 are considered lighter than air while vapors with values
_______ 1.0 are considered heavier than air.
a. more than; equal to
b. less than; more than
c. more than; less than
d. Equal to; less than - correct answerb. less than; more than
The following are characteristics of an evacuation except:
A. Opportunity and enough time must be available
B. Evacuees should be sent upwind
C. Evacuees must be kept in a safe refuge area (SRA)
D. The HVAC system should be shut down - correct answerD. The HVAC system
should be shut down
Operations level responders are persons who respond to hazardous materials/
weapons of mass destruction incidents for the purpose of implementing or supporting
actions.
True or False
Operations level responders typically used in offensive tactics - correct answerFalse
page 3
Sheltering in place means people should seek shelter inside a building and remain
inside until the danger passes, and the public should stay away from windows and
doors, as well as have the HVAC system shut down,TRUE OR FALSE? - correct
answerTrue
What are the factors that influence when determining the extent of physical health and
safety hazards within an endangered area of a hazardous materials? - correct answer-
Quantity and concentration of the hazardous materials release
- Number of exposures in the endangered area
- Manner in which the exposures are subjected to the hazardous material
________________ in order to determine the scope and potential outcomes by
surveying, collecting information, predicting the likely behavior, and estimating potential
harm - correct answerAnalyze
,page 3
______________ an initial response within the capabilities of available personnel by
describing the response objectives, response options, emergency decontamination
procedure, approving proper PPE, and developing a plan of action with safety
considerations - correct answerPlan
page 3
________________ the planned response to favorable change the outcomes by
establishing scene control, preservation of evidence, initiating an Incident Command
System (ICS), performing tasks identified in the incident plan of action (IAP) - correct
answerImplement
page 3
_______________ the progress to ensure the response objectives are being met safely,
effectively, and efficiently by evaluating and communicating the status of the response -
correct answerEvaluate
page 3
When should emergency decontamination be established?
a. Before the Incident
b. Immediately
c. After the offensive has begun
d. After the area has been evacuated - correct answerb. Immediately
Defensive HAZMAT OPS are described as;
a. Mounting a proper defense against probably HAZMAT emergencies
b.Handling the situation remotely, far away preparing for future operations
c. Moving civilians from a highly populated area to the rear in a defensive manner
d. Moving downwind - correct answerb. Handling the situation remotely, far away
preparing for future operations
As defined by Mr. V (needs to be edited)
Offensive HAZMAT OPS are described as;
a. Moving closer to the situation with proper PPE in order to deal with the problem
,b. Ensuring personnel are equipped with enough hoses to decon the site
c. Ensuring the Incident Commander (IC) is properly equipped
d. Bounding toward the Hazardous Materials - correct answera. Moving closer to the
situation with proper PPE in order to deal with the problem
as defined by mr V needs to be edited
Core of Federal Regulations (CFR) 29 is used for what Federal Service?
a. DoT (Department of Transportation)
b. The Occupation Saftey and Health Administration (OSHA
c. The Environmental Protection Agency (EPA)
d. The Department of Defense (DoD) - correct answerb. Occupation Safety and Health
Administration (OSHA)
Core of Federal Regulations (CFR) 49 is used for what Federal Service?
a. DoT (Department of Transportation)
b. The Occupation Saftey and Health Administration (OSHA
c. The Environmental Protection Agency (EPA)
d. The Department of Defense (DoD) - correct answera. The Department of
Transportation (DoT)
Core of Federal Regulations 40 (CFR) is used for what Federal Service?
a. DoT (Department of Transportation)
b. The Occupation Saftey and Health Administration (OSHA
c. The Environmental Protection Agency (EPA)
d. The Department of Defense (DoD) - correct answerc. The Environmental Protection
Agency (EPA)
What are TWO OTHER NAMES for a NON PRESSURE TANK CAR?
a. Tank Car and Basic Tank Car
, b. General Service Tank Car and Low-Pressure Tank Car
c. Partial Pressure Tank Car and Fuelsalage Car
d. Rail Car Tank and Copious Tank Car - correct answerb. General Service Tank Car
and Low Pressure Tank Car
page 4
What kind of materials can NON PRESSURE TANK CARS carry?
a. Dry goods
b. Fuel Only
c. Flammable/ Combustible liquids
d. Gasses - correct answerc. Flammable/ Combustible Liquids
page 4
What is the psi range for a NON PRESSURE TANK CAR?
a. 60-100 psi
b. 100-600 psi
c. 25 psi or lower
d. 0 psi or lower - correct answera. 60-100 psi
page 4
BESIDES psi, what does a NON PRESSURE TANK CAR have compared to a
PRESSURED TANK CAR?
a. Manway
b. Cabinet
c. Vacuum space
d. Visible Fittings - correct answerd. Visible Fittings
page 4
What is the capacity (Gallons) for both NON PRESSURE and PRESSURE TANK
CARS?
a. 1500-2000 gallons
b. 6000-80000 gallons
c. 4000-45000 gallons
d. 900-11500 gallons - correct answerc. 4,000-45,000 Gallons
