test Flashcards
Which committees gather and disseminate information about hazardous materials to the public?
Local Emergency Planning Committees
Who or what is the liaison between local and state levels of authority?
State Emergency response commission
Which of the following is the better tactic for identifying a hazardous material when using your senses?
Smell
What generally dictates the construction of a particular drum?
D) The nature of the material it is to contain dictates the construction.
If a volume of cryogenic helium were allowed to warm and vaporize entirely in its container, what kind of pressure, in psi, could that generate?
14,500
Which division of the military marking system has a primary hazard of mass detonation?
Division 1
Which of the following is the term used for shipping papers on marine vessels?
Dangerous Cargo Manifest
Which of the following is true about pipelines?
A) They transport natural gas, gasoline, diesel fuel, and other products.
Which of the following hazard classes has the tendency to have a blast or projection hazard?
Class 1
Which of the following hazard classes includes flammable, nonflammable, nontoxic, and toxic gases?
Class 2
When dealing with flammable solids, spontaneously combustible materials, and dangerous-when-wet materials, you are working with ________ hazards.
Class 4
Which of the following hazard classes is best described as oxidizing substances and organic peroxides?
Class 5
What DOT class are toxic and infectious substances?
Class 6
A “Dangerous” placard indicates:
More than one class in a load
The _____________ defines a substance as either a solid, liquid, or a gas.
State of matter
What type of stress causing a container failure is caused by fire or cold generated by environmental factors or substances such as cryogenics?
Thermal
What type of stress causing a container failure is caused by falling debris, shrapnel, firearms, explosives, and punctures?
Mechanical
What type of stress causing a container failure is caused by falling debris, shrapnel, firearms, explosives, and punctures?
Mechanical
If a propane tank is heated and the pressure in the vessel increases faster than the relief valve can vent, a _____________ occurs.
BLEVE
What is the expansion ratio of liquid propane?
270:1
What characteristic of a gas is quantified as its vapor density?
It’s weight relative to an equal volume of air
What term means the ability of a material to cause damage on contact to skin, eyes, or other body parts?
Corrosivity
Which of the following pH values would indicate a strong acid?
1.7
What is one of the notable substances liberated from fire smoke?
Hydrogen cyanide
Which type of radiation is the most energetic?
Gamma
_____________ occurs when a person or object transfers the contaminant to another person or object by direct contact.
Cross contamination
An adverse health affect that occurs very rapidly is called a(n) _______ health hazard.
Acute
A chemical that causes an allergic reaction in normal tissue after repeated exposure to the chemical is known as a(n):
sensitizer
The _____________ of a material is a single dose that causes the death of a specified number of the group of test animals exposed by any route other than inhalation.
Lethal dose
The _____________ of a material is the concentration of a material in air that is expected to kill a specified number of the group of test animals when administered over a specified period of time.
Lethal concentration
How large must the internal capacity of a solids storage container be for it to qualify as a bulk storage container?
> 882 lbs
What are non-pressurized horizontal storage tanks usually made of?
steel or aluminum
What is distinctive about IMO type 5 containers?
vacuum containers
What is the name of the shipping vessel described as a polyethylene tank inside a stainless steel web?
a tote
What type of cargo tanks are oval shaped and frequently carry 6,000-10,000 gallons of liquid food-grade products, gasoline, or other flammable and combustible liquids at a working pressure between 2.65 and 4 psi?
MC-DOT/DOT 406
What type of cargo tanks have a round (uninsulated) or horseshoe-shaped (insulated) tank that can hold 6000 to 7000 gallons of flammable liquids, mild corrosives, and poisons at a higher internal working pressure than the nonpressure liquid cargo tank—in some cases up to 35 psi?
MC-307/DOT407
What do tube trailers carry?
COMPRESSED GAS
What number are shippers of radiological materials required to include on the package label that indicates the highest amount of radiation that can be measured 1 meter away from the surface of the package?
Transport Index
Which type of radioactive packaging is designed to prevent a release in the case of extreme accidents during transportation and includes small drums and heavily shielded casks weighing more than 100 metric tons?
Type B
What is the term for the maximum concentration of a material that a person can be exposed to in a 15-minute interval?
TLV/STEL
What is the minimum rest period between exposures when fire fighters are exposed to the full concentration of a material allowed in a 15-minute interval?
1 hour
What is one of the IDLH atmospheres?
Oxygen-deficient
Which of the following is a method of safeguarding people located near the hazardous material release by keeping them in a clean atmosphere?
Sheltering in place
What is missing from the response objective “a three-person team will construct a dirt berm around the drain at the south end of the leaking tanker to protect the adjacent waterway”?
amount of time allowed
Which response action has responders taking action in the hot zone to mitigate the issue?
offensive
Which NFPA Standard provides information on Vapor-Protective Ensembles for Hazardous Materials Emergencies and CBRN Terrorism Incidents?
1991
Which type of PPE offers the lowest level of protection?
Level D
What is the process by which a hazardous chemical moves through the closures, seams, or pinholes of chemical protective clothing?
Penetration
Which level of protective clothing provides the highest level of protection for the skin, eyes, and respiratory tract?
Level A
Which level of protective clothing provides the lowest level of protection?
Level D
When should air-purifying respirators (APRs) not be used?
When insufficient oxygen in the atmosphere
If adequate decontamination is not performed, then victims and response personnel should not be allowed to:
proceed through decon line
In the acronym DECIDE, what does the first D stand for?
detect
Which of the factors below is used to determine control zones at a hazardous materials incident scene?
Time of day of release
Which of the factors below is used to determine control zones at a hazardous materials incident scene?
Time of day of release
Which of the following is another term used to name the hot zone?
Exclusion zone
Which of the following is another term used to name the cold zone?
Outer perimeter
Which of the following is where personnel and equipment transition into and out of the hot zone?
warm zone
Life-safety actions for the first responder include all of the following except…
operating alone to maximize personnel efforts
Does evacuation involve some risks, if it is properly planned?
C) Yes, evacuation involves some significant risks, even if properly planned.
