HAZMAT OPS 03-19 Multiple
Choice Practice Exam Questions
and Answers 100% PASS
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 ANSWER-b. 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 ANSWER-D. 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
ANSWER-False
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 ANSWER-True
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
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
,- 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 ANSWER-Analyze
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 ANSWER-Plan
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 ANSWER-Implement
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 ANSWER-Evaluate
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 ANSWER-b. 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
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Choice Practice Exam Questions
and Answers 100% PASS
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 ANSWER-b. 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 ANSWER-D. 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
ANSWER-False
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 ANSWER-True
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
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
,- 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 ANSWER-Analyze
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 ANSWER-Plan
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 ANSWER-Implement
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 ANSWER-Evaluate
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 ANSWER-b. 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
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
