Chapter 7 Hazard Assessment and Risk Evaluation Flashcards
Assessment of the hazards that may be involved in the incident, including the collection and interpretation of hazard and response information, best describes which of the following tasks?
A) Development of the IAP
B) Hazard assessment
C) Hazard evaluation
D) Risk evaluation
B) Hazard assessment
In order to mount a safe and effective hazmat response, responders must understand all of the
following about the chemical EXCEPT:
A) Physical properties.
B) Chemical properties.
C) Environmental influence.
D) Response time.
D) Response time.
Which of the following is not considered to be a source of data and information when gathering information on the hazardous materials involved in an incident?
A) 911 operator
B) Technical information center
C) Hazardous materials databases
D) Monitoring instruments
A) 911 operator
Despite the large number of resources available, most responders rely on how many primary
response guidebooks for most of their data and information?
A) 1 to 2
B) 2 to 4
C) 3 to 5
D) 4 to 6
C) 3 to 5
Which of the following databases is not part of the EPA trio of programs used for mitigation
by responders at hazardous material incidents?
A) ALOHA
B) CAMEO
C) MARPLOT
D) WISER
D) WISER
What are critical tools for evaluating real-time incident data in order to determine whether anything is present?
A) Databases
B) Reference manuals
C) Monitoring Instruments
D) Technical information centers
C) Monitoring Instruments
Which of the following is not a component of the risk-based response process?
A) Analyzing the problem
B) Identifying the hazards
C) Evaluating potential consequences
D) Determining response personnel
D) Determining response personnel
Under the stress event of the General Hazardous Materials Behavior Model, there are three types of stress. Which of the following is less likely, though still possible?
A) Thermal
B) Mechanical
C) Chemical
D) Radiological
D) Radiological
Which stress type is a reaction between two materials, such as corrosive materials attacking metal or the pressure or heat generated by the decomposition or polymerization of a substance?
A) Thermal
B) Mechanical
C) Chemical
D) Radiological
C) Chemical
Which of the following is not a method for determining pressure of a hazardous material container?
A) Use of a fixed pressure gauge
B) Use of a fixed gauging device
C) Attaching a pressure gauge
D) Use of a vapor pressure/temperature conversion chart
B) Use of a fixed gauging device
Which type of breach involves a small crack in a closed container that may suddenly develop into a rapidly growing crack that encircles the container?
A) Disintegration
B) Runaway cracking
C) Failure of container attachments
D) Container splits or tears
B) Runaway cracking
Which event in the General Hazardous Materials Behavior Model occurs after a breach and allows the hazardous material to escape in the form of energy, matter, or a combination of both?
A) Breach
B) Release
C) Engulf
D) Impinge
B) Release
Which of the following release types is commonly associated with runaway cracking and overpressures of closed containers, giving responders no time to react?
A) Detonation
B) Violent rupture
C) Rapid relief
D) Spill or leaks
B) Violent rupture
In order to determine the area affected by the material released, responders frequently use the “Table of Initial Isolation and Protective Distances” from what publication?
A) Emergency Response Guidebook
B) Fire Fighter’s Guide to Hazardous Materials
C) Managing the Incident
D) NFPA 472
A) Emergency Response Guidebook
Which event in the General Hazardous Materials Behavior Model states that responders must first understand what is likely to occur within the engulfed area if they do not intervene?
A) Impinge
B) Engulf
C) Harm
D) Release
C) Harm
Once the responders can determine where they are in the event sequence, they can estimate which of the following about their incident?
A) Equipment
B) Location
C) Outcomes
D) Responders
C) Outcomes
What must every incident have that will clearly state the strategic goals, tactical objectives, and assignments that must be implemented to control the problem?
A) Emergency response plan
B) Incident action plan
C) Incident command plan
D) Emergency action plan
B) Incident action plan
Strategic goals may be pursued simultaneously during the incident and could include all of the following EXCEPT:
A) Rescue.
B) Spill control.
C) Media relations.
D) Recovery.
C) Media relations.
All of the following are considered key elements of tactical objectives that an operations section chief has to employ EXCEPT that they are:
A) Objective oriented.
B) Specific and measurable.
C) Built upon procedures.
D) Broad in nature.
D) Broad in nature?
Which of the following types of container damage is a reduction in the thickness of the container shell made by a relatively blunt object?
A) Crack
B) Dent
C) Gouge
D) Score
D) Score
Which of the following types of container damage is a deformation of the tank head or shell caused from impact with a relatively blunt object?
A) Crack
B) Dent
C) Rail burn
D) Score
B) Dent
Due to the surface makeup and the product that spilled, what is the direction most hazardous materials will spread based on their viscosity?
A) Downward
B) Laterally
C) Upstream
D) Stationary
A) Downward
Most sewer emergencies involve flammable and combustible liquids. The probability of an explosion within an underground space will depend on a existing flammable atmosphere and
which of the following other factors?
A) Surface vents
B) Existence of ignition source
C) Personnel in the space
D) Movement of liquids
B) Existence of ignition source
Knowledge of sewer systems will aid in determining your response priorities. Which sewer system is described as a open system that collects surface water, street wash, and other drainage from throughout a community that may dump off directly into a waterway?
A) Sanitary sewers
B) Storm sewers
C) Combined sewers
D) Treatment sewers
B) Storm sewers
What should all personnel be prohibited from standing near in the event of a fire or explosion?
A) Toilets
B) Man hole covers
C) Parked cars
D) Structures
B) Man hole covers
