Chapter 5 Flashcards
Which statement about identifying potential outcomes is MOST
accurate? (209)
A. Because each container release is unique, it is impossible to
predict how an incident may progress.
B. Site hazards such as weather and topography are irrelevant
when it comes to identifying potential outcomes.
C. The material and chemical properties that hazards exhbit upon
release do NOT influence how a container will behave when
damaged or ruptured.
D. When first responders collect information about the physical and
chemical properties of released hazardous materials, they can
estimate potential harms
D
The first step in mitigating or solving any hazmat incident is: (209)
A. determining needed decontamination and establishing the
decontamination line.
B. distinguishing the available types of PPE and determining which
is most appropriate to use.
C. understanding the problem within the framework of incident
priorities, IMS, and predetermined procedures.
D. effectively communicating with media and any national or
federal organizations that may be able to lend assistance
C
Which of the following is NOT a common element of any hazmat
incident, as stated by the General Hazardous Materials Behavior
Model (GEBMO)? (212)
A. Multiple agencies and jurisdictions are affected
B. Container or containers that have failed or have the potential to
fail
C. Exposure or potential exposure to people, the environment,
and/or property
D. Material or materials presenting hazards to people, the
environment, or property
A
What is the first step in the sequence proposed by the General
Hazardous Materials Behavior Model (GEBMO)? (212)
A. Stress
B. Release
C. Exposure
D. Dispersion
A
A container making noises from expansion or contraction may
indicate that the container has been exposed to _____ energy.
(213)
A. thermal
B. chemical
C. mechanical
D. radiological
A
Visible corrosion, or other degradation of a container, may indicate
that a container is undergoing _____ energy. (214)
A. thermal
B. chemical
C. mechanical
D. radiological
B
Collision, impact, or internal overpressure are common causes of
damage to a container caused by _____ energy. (214)
A. thermal
B. chemical
C. mechanical
D. radiological
C
Which type of container breach has been documented as causing a BLEVE? (217) A. Puncture B. Split or tear C. Runaway cracking D. Broken attachments
C
Which statement about container release is MOST accurate? (218)
A. Container releases always occur rapidly and violently.
B. Generally, large amounts of stored energy result in a more rapid
release.
C. The duration of a detonation is measured in seconds or
minutes.
D. A spill or leak is the immediate release of chemical or
mechanical energy caused by runaway cracks
B
What type of container release is characterized by a fast release of
pressurized hazardous material through properly operating safety
devices? (218)
A. Spill/leak
B. Detonation
C. Rapid relief
D. Violent rupture
C
The dispersion of materials is sometimes referred to as: (219) A. BLEVE. B. engulfment. C. disintegration. D. dispersion pattern
B
What type of dispersion pattern forms an irregularly shaped pattern
of an airborne hazardous material where wind and/or topography
influence the downrange course from the point of release? (220)
A. Cloud
B. Plume
C. Particulate
D. Hemispheric
B
Computer software programs such as CAMEO and AHOLA can be
used to: (222)
A. model dispersion patterns.
B. determine the origin of the container.
C. predict ruptures from mechanical stress.
D. make notifications downwind of a container release
A
What categories should be considered as exposures when conducting
a hazard and risk assessment after a container releases its contents?
(223)
A. Air, water supply, ground
B. People, environment, property
C. Commercial, residential, public structures
D. First responders, residents, other victims
B
A short-term contact or impingement is one that takes place over: (225) A. milliseconds or seconds. B. minutes or hours. C. days, weeks, or months. D. years or generations
B
The three mechanisms of harm in a container hazardous materials
incident are: (225)
A. energy release, corrosivity, and toxicity.
B. radioactivity, pressure, and temperature.
C. dispersion patterns, rapid release, and detonation.
D. wind speed, barometric pressure, and time of day
A
If an incident involves a pressure container, any product released is
likely to be a gas or: (225)
A. minute particles that pose a respiratory hazard.
B. a radioactive material that emits ionizing radiation.
C. a solid or semi-solid that is likely to violently rupture or
detonate.
D. a liquid that rapidly evaporates and expands into a gas or
vapor
D
Which of the following BEST describes a unit of pressure relative to the surrounding atmosphere? (226) A. kJ B. kPa C. psig D. Atmospheres
C
Which of the following statements about pressure containers is the
MOST accurate? (226)
A. Pressure containers carry solids.
B. Pressure containers are not subject to chemical or mechanical
stress.
C. Pressure containers are subject to stress when holding
materials.
D. Hazmat incidents involving pressure containers are NOT
dangerous to emergency responders
C
If a cryogenic container loses its vacuum, the product will: (231)
A. cool rapidly and may blow the rupture disc/relief valve.
B. heat rapidly and may blow the rupture disc/relief valve.
C. undergo a chemical reaction and release a plume cloud.
D. sound an alarm for 20 seconds before violently rupturing
B
While streams and pools are common dispersion patterns for
container breaches involving liquids, many liquids also: (233)
A. spontaneously combust.
B. release vapors that act like gases.
C. remain under pressure once released.
D. freeze upon contact with the atmosphere
B
How are solids containers MOST likely to be damaged? (233) A. Entropy B. Rapid release C. Thermal stressors D. Mechanical stressors
D