tcfp hazmat operations certification exam – questi
tcfp hazmat operations certification exam
tcfp hazmat operations certification exam stuvia
which of the following statements about state of m
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TCFP HazMat Operations Certification Exam – Questions & Answers (100% Verified)
Which of the following statements about state of matter is MOST accurate? (137)
A.Gaseous, liquid, and solid materials behave differently.
B.Gaseous, liquid, and solid materials have the same mobility.
C.A material's physical state has no effect on the behavior of its container.
D.The same PPE will be worn at a hazmat incident no matter the physical state of the hazardous material. - ANSWER - A
One danger of gases is that they can: (141)
A.sublimate.
B.present a splash hazard.
C.displace oxygen, creating an asphyxiating atmosphere.
D.rapidly contract when heated, causing container damage. - ANSWER - C
Liquids may be easier than gases to detect because they are usually: (142)
A.frozen.
B.visible.
C.colored.
D.scented - ANSWER - B
The least mobile of the three states of matter are: (143)
A.solids.
B.gases.
C.liquids.
D.aerosols. - ANSWER - A
Vapor pressure, boiling point, specific gravity, appearance, and odor are some of the _____ of a material. (145)
A.risks
B.hazards
C.physical properties
D.chemical properties - ANSWER - C
The pressure produced or exerted by the vapors released by a liquid is called its: (145)
A.boiling point.
B.vapor pressure
C.specific gravity.
D.sublimation point. - ANSWER - B
Which of the following statements about a BLEVE is MOST accurate? (147)
A.Catastrophic container failure can result.
B.It is rare in flammable materials with low boiling points. C.During a BLEVE, vapor in a tank is released, then contracts rapidly and ignites.
D.BLEVEs most commonly occur when too much water has been applied to cool a tank.
- ANSWER - A
Most gases have a vapor _____ greater than one and will sink in relation to ambient air.
(149)
A.point
B.density
C.pressure
D.temperature - ANSWER - B
What term describes the ability of two or more gases or liquids to mix or dissolve into each other? (150)
A.solubility
B.miscibility
C.specific gravity
D.vapor pressure - ANSWER - B
Materials with a specific gravity greater than one will: (151)
A.BLEVE.
B.sink in water.
C.float in water.
D.mix with water. - ANSWER - B
When should odors be used to determine safe or unsafe areas? (154)
A.Never
B.Always
C.Until a technician arrives
D.If the monitoring equipment breaks - ANSWER - A
Flammability, corrosivity, and reactivity are _____ properties of a material. (154)
A.physical
B.chemical
C.biological
D.radiological - ANSWER - B
A material's autoignition temperature is _____ its flash and fire points. (155-156)
A.exactly the same as
B.considerably lower than
C.considerably higher than
D.sometimes lower and sometimes higher than - ANSWER - C
The _____ of a substance describes its relative ability to undergo a chemical reaction with itself or other materials. (158)
A.reactivity
B.corrosivity C.flammability
D.radioactivity - ANSWER - A
The types of ionizing radiation are alpha, beta, gamma, and: (163)
A.proton.
B.electron.
C.neutron.
D.dosimeter. - ANSWER - C
The degree to which a substance causes harm within the body is called its: (170)
A.toxicity.
B.reactivity.
C.sensitization.
D.biological hazard - ANSWER - A
Which of the following statements about biological (etiological) hazards is MOST accurate? (177)
A.Some biological hazards have been weaponized.
B.Body fluids do NOT contain or transmit biological hazards.
C.Biological hazards are only encountered in hospitals or laboratories.
D.Biological hazards only come from organisms themselves, not their waste products. - ANSWER - A
In general, a product's hazard class is assigned based on its: (177)
A.potential for use in terrorist attacks.
B.ability to cause epidemics/pandemics.
C.least dangerous chemical and/or physical properties.
D.most dangerous chemical and/or physical properties. - ANSWER - D
When should a first responder take steps to gather sufficient information to identify the hazardous material(s) involved? (199)
A.Once the hazmat team has arrived
B.When unified command has been established
C.As soon as the incident is identified as hazmat
D.After all the preincident planning steps have been implemented - ANSWER - C
In addition to identifying hazmat containers and their contents, first responders need to: (200)
A.survey surrounding conditions.
B.call the manufacturer for backup.
C.immediately search for any victims.
D.refuse entry to local law enforcement. - ANSWER - A
What influences how a container will behave when damaged or ruptured? (209)
A.Size of the initial isolation area
B.The speed with which notifications were performed C.Accuracy of preincident plans and predetermined procedures
D.Physical and chemical properties of the material and the container - ANSWER - D
When does the first responder gather information to determine the amount or level of hazards present and the risks associated with the incident? (211)
A.When the hazmat team arrives
B.Once the incident is concluded
C.Incident scene analysis or size-up
D.Once life safety priorities have been met - ANSWER - C
Which statement about the General Hazardous Materials Behavior Model is MOST accurate? (211)
A.It assumes that all hazardous materials react the same way.
B.The behavior model is specific to incidents involving BLEVEs.
C.It predicts the type and amount of harm caused by a hazardous material after container breach.
D.It describes a general pattern regarding how a hazardous material and its container are likely to behave. - ANSWER - D
What is the term for the event in which a container is stressed beyond the limits of recovery and opens and releases its contents? (216)
A.BLEVE
B.Breach
C.Release
D.Detonation - ANSWER - B
The dispersion of material from a container is sometimes referred to as: (219)
A.spillage.
B.blanketing.
C.engulfment.
D.disintegration. - ANSWER - C
If an incident involves a pressure container, any product released is likely to: (225)
A.detonate.
B.sublimate.
C.behave as a gas.
D.behave as a solid. - ANSWER - C
Hemispheric pattern, cloud, plume, and cone are types of common: (229)
A.liquid spill patterns.
B.bulk storage containers.
C.nonpressure container breaches.
D.dispersion patterns from pressure containers. - ANSWER - D
Which statement about bulk facility storage tanks is MOST accurate? (234)
A.They come in many varieties.
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