Hazmat Operations Level Test Flashcards
________ identify(ies) the hazard as a liquid, solid, or gas.
State of matter
________ is one toxic chemical found in most smoke caused by fire.
a. Sodium
b. Xenon
c. Cyanide
d. Acetic acid
Cyanide
________ is to liquids as vapor is to gases.
Specific Gravity
________ refers to the process in which unstable atoms of an element decay to a different state and emit excess energy in the form of particles or waves.
Radioactivity
What term describes the volume increase that occurs when a liquid material changes to a gas?
Expansion Ratio
What term refers to the ability of a material to cause damage on contact to skin, eyes, or other body parts?
Corrosivity
When the letters “LD” or “LC” are followed by a number, what does that number indicate?
The percentage of test subjects that will die when exposed to a specified amount.
Which is the most energetic type of radiation?
Gamma
A fire fighter locates Petri dishes, microscopes, and incubators during a hazardous materials response. These items may be a sign that ________ are being used.
Biological agents
A _______ is bulk storage vessel, described as a portable plastic tank surrounded by a stainless steel web, that can hold a few hundred gallons.
Tote
An agent that takes weeks to evaporate is said to be:
Persistent
MC-306 refers to:
a. the tag on gas pumps that states, “This device must start on zero.”
b. the grounding harness woven into gasoline-dispensing device hoses.
c. the test that all gasoline products undergo to determine their octane value.
d. the familiar oval-shaped highway gasoline tanker.
d. the familiar oval-shaped highway gasoline tanker.
The _______ is the time period between infection and when a person first begins to show symptoms.
incubation period
What is the most common method of transporting hazardous materials?
a. Rail
b. Road
c. Air
d. Sea
b. Road
What is the purpose of a secondary device?
a. Initiate detonation of the primary device
b. Kill and injure emergency personnel
c. Act as backup in case of failure of the primary device
d. Create misdirection or a diversion
b. Kill and injure emergency personnel
What kind of agent is anthrax?
Infectious disease
A level _______ chemical-protective suit is designed to protect the wearer from gases, vapors, and liquids.
A
A victim of a motor vehicle accident involving hazardous materials is transported by ambulance to a hospital. This action will result in ________ of ambulance personnel and the medical care facility.
Secondary Contamination
What does the abbreviation TLV stand for?
Threshold limit value
What does the “C” in “CBRN” stand for?
Chemical
What is the term for a person having a radioactive material on his or her clothing?
Contamination
Which form of decontamination typically consists of removing contaminated clothing and dousing the victim with large volumes of water?
Emergency
Which of the following is a critical factor in determining the appropriate level of PPE?
The physical state and characteristics of the material
Which of the following values is the maximum concentration to which an adult can be exposed 8 hours per day, 40 hours per week?
Time-weighted average
An intrinsically safe electrical device is one that:
a. will not ignite a flammable atmosphere.
b. meets or exceeds NFPA standards.
c. is safe for use around or in water.
d. is electrically fully isolated.
a. will not ignite a flammable atmosphere
At a hazardous materials incident, a hazardous materials safety officer, a decontamination team, and a hot zone entry team would report directly to the:
a. safety officer.
b. planning section chief.
c. technical unit leader
d. hazardous materials branch director
d. hazardous materials branch director
In general, a hazardous material in a _______ state will usually require the largest hot zone.
a. liquid
b. gas
c. solid
d. particulate
b. gas
In the ICS, the ________ is the point of contact for representatives from outside agencies.
liaison officer
The area that is accessed in the warm zone is the:
decontamination corridor
The individuals on the command staff report directly to the:
Incident commander
The number of people that one person can supervise effectively is known as:
span of control
What is the purpose of a control zone?
To prevent access by unauthorized personnel into the emergency scene.
A level B protective consists of:
a. full turnouts with self-contained breathing apparatus (SCBA)
b. multi-piece chemical protective clothing and SCBA.
c. ordinary work uniform and an air-purifying respirator or powered air-purifying respirator.
d. vapor protection with SCBA
b. multi-piece chemical protective clothing and SCBA.
A(n) ________ garment provides full body protection from gases, vapors, and liquids.
Vapor-protective
Chemicals pass into and through a material on a molecular level by:
permeation
Level ______ PPE should be used only when the atmosphere contains no known hazard and when there is no potential for splashes, immersion, or inhalation of hazardous levels of chemicals.
D
Signs that chemical protective clothing is undergoing the process of _______ include discoloration, charring, swelling, and shrinking.
Degradation
What distinguishes Level “B” from Level “C” protection?
Respiratory protection
What does the acronym CBRN refer to?
Types of terrorist attacks
What is the subject of the acronym TRACEMP?
Potential types of harm at a hazardous materials incident
A fire fighter is directing a foam stream over an aboveground open-top storage tank, letting the foam gently fall onto the surface of the liquid in the tank. Which foam application method does this describe?
Rain-down method
Absorption is a difficult technique for operations level responders at a hazardous materials incident because:
a. it is a precise, technically advanced procedure.
b. it must be performed by personnel in Level A PPE
c. it requires being in close proximity to the hazardous material.
d. the absorbents are difficult to handle.
c. it requires being in close proximity to the hazardous material.
An aboveground storage tank has leaked flammable liquid into the surrounding diked containment area. A foam stream is directed against the side of the tank. Foam is running down the side of the tank and covering the spilled fuel in the containment area. Which foam application method does this describe?
Bounce-off method
What are actions that stop a hazardous material from leaking or escaping its container?
a. Confinement
b. Containment
c. Control
d. Mitigation
b. Containment
What foam application method should be used on open-top storage tank fires?
Bounce-off method
Which protective actions uses water or another liquid to reduce the concentration of a hazardous material?
Dilution
Which tactic lowers the concentration of a vapor cloud by spreading it out?
Vapor Dispersion
Which type of dam is used to contain materials lighter than water?
Underflow
You have dug a shallow pit to collect and hold a hazardous liquid. Which control tactic is this?
Retention
You have used sandbags to create a barrier to prevent a hazardous liquid from entering a storm drain. Which product control tactic is this?
Diversion
