HAZMAT Practice tests
To which outward indicators should responders be alert during a suspected terrrorist event
-strong chemical odors w/o apparent reason -unexplained patterns of illness or death -unusual containers that are out of place with the surroundings
If a hazardous material incident involves a leaking flammable substance, the first responders should immediately remove all
Ignition sources
The individual responsible for establishing and managing the overall plan, developing an organizational structure, and allocating reasources best describes the:
Incident commander
A common characteristic of cylinders is
Relief valves
Chemicals that are classified as ____can cause a severe allergic reaction
Sensitizers
Determining whether a vapor will rise or fall is commonly referred to as :
Vapor dispersion
In the NFPA 704 system reactivity is what color
Yellow
A tractor trailer hauling a tanker containing gasoline should display a placard with the UN designation of
1203 flammable
The number ___ would be shown in the flammability quadrant of the NFPA 704 system for a material that must be moderately heated before ignition can occur an on which water spray may be used to extinguish a fire
2
Given the 2000 edition of the emergency response guidebook, the table of isolation distances, defines a "small spill" as a spill of up to ____ from a leaking package
55 gallons
A substance that spontaneously releases ionizing radiation would be labeled a ____ hazard classification under the UN labeling system
7
The NFPA lists ____ as the standard for identifying fire hazards of materials at fixed facilities
704
____ interfere with O2 exchange during normal respiration
Asphyxiants
On cargo tanks, emergency remote shut of devices are usually located
At the front of the truck on the driver's side
Self contained breathing apparatus and supplied air respirators are 2 types of:
Atmosphere supplied devices
To obtain hazard and response information a firefighter can contact the manufacturer using:
CAMEO
Emergency centers such as ____ are principal agencies providing immediate technical assistance to an emergency responder
CHEMTREC
One of the factors that can change the evacuation area is:
Change in wind direction
Federal agencies may be contacted and authorized for assistance at a terrorist activity by:
Claiming a presidential declaration
Backup personnel should be advised of the incident action plan and position in the ____ zone
Cold
When an operations section has not been staffed, staging reports to:
Command
Diversion diving and retention are all techniques used in:
Confinement
A recon team is sent to observe a tank truck that has rolled over. The team report that the vehicle is an MC 312. The container most probably contains a:
Corrosive liquid
A carboy may be used for containing
Corrosives
Exposure to ____ materials may cause freeze burns and frostbite
Cryogenic
_____ is designed to remove immediately those contaminates that pose immediate threat to life
Emergency Decon
Whenever situations are encountered that have caused or immediately could cause injuries to emergency response personnel, the term ____ should precede the radio transmission
Emergency traffic
A common hazard with cylinders involved with fire is
Explosions
Chemicals with specific gravities greater than one tend to float on water
False
Common hazardous materials stored in non bulk packages referred to as bags are:
Fertilizers
In the UN/DOT marking system, hazard class 3 includes:
Flammable liquids
The minimum temperature at which liquid gives off sufficient vapors to form an ignitable mixture with air near the surface is called the ___ point
Flash point
The DOT placarding system requires a vehicle carrying non flammable compressed gas to display a placard colored
Green
On a placard the number at the bottom of the diamond indicates
Hazard class
Substances or materials in quantities or forms that may pose an unreasonable risk to health, safety, or property when transported, stored, or used in commerce is the definition of a
Hazardous material
Placard with a white background with a number 6 indicated the substance is considered
Highly toxic
"people inside a build should remain inside until the danger passes" is describing:
In-place protection
The UN hazard class 6 includes all of the following except
Infectious substances
The general routes of entry for human exposure to hazardous materials are:
Inhalation, ingestion, absorption, and injection
The safety officer notices a critical emergency condition at an incident. The safety officer should
Intervene or notify IC for corrective action
All of the following statements about emergency decontamination are true except:
It removes the treat of secondary contamination
Which of the following is NOT a characteristic of AFF
It should be plunged in fuels
Under fire conditions, indicators preceding a rupture of a compressed gas tank may include any /all of the following EXCEPT:
Leakage of the hazardous material
The highest level of respiratory protection is needed but lesser chemical protection is required for the skin best defines level___ protection
Level B
Who is responsible for requesting additional resources at a hazardous materials incident?
Logistics
Pressure facility tanks are divided into 2 categories:
Low and high pressure
A tank carrier designed to haul various chemicals whose pressures DO NOT exceed 4o psi at 70F would be an
MC 307/ DOT 407
Local emergency response personnel can avoid considerable confusion if the ____ is utilized in preincident planning
MSDS
The DOT hazard class 2 includes
Non flammable gases
Some materials can become explosive as they age. One example of this type of material is:
Organic peroxide
A placard with 5.1, a yellow back an open circle with flames is a(n)
Oxidizer
A ____ sounds often occurs when metal has been softened by high heat and pressure
Pinging
____ is placed on highway transport vehicles to identify the contents
Placard
If a rail car had a cylindrical tank with rounded ends and a covered dome containing all the fittings, it would be classified as a ____ rail car
Pressure tank
During an incident involving a train you should look for the shipping papers in any of the following except
Rail cars carrying the products
To protect themselves and others, first responders must be able to make a proper assessment. Which of the following is the MOST IMPORTANT part of assessment is:
Recognizing the presence of hazardous materials
In the NFPA 704 system of identification, the diamond shaped placard used for fire hazard is always colored
Red
The NFPA 704 system indicates a:
Relative risk
One of the symptoms of poisonous gases such as chlorine and anhydrous ammonia is severe irritation to the _____ system
Respiratory
When considering personnel protection remember that the most common route of exposure for an emergency responder is:
Respiratory system
A product that is heavier than water and sinks when placed in water is an example of
Specific gravity
____ is the ratio of the weight of a volume of liquid to the weight of an equal volume of water, with water having a value of 1.0
Specific gravity
The concentration that should NEVER be exceeded is called:
TLV-C
Which of the following exposure valves could be repeated a maximum of four times daily for 15 minutes with a 60 minutes rest period between exposures for an 8 hour work day
TLV-STEL
Which of the following is a characteristic of protein foams?
They are designed for hydrocarbon fires only
The chemicals listed int highlighted type in the ERG were selected because
They present a toxic Inhalation hazard
The most effective personal protection principle for responders involved with B-NICE materials are
Time, distance, and shielding
Which of the following is not a required signal word on a pesticide label?
Toxic
A chemical with a vapor density greater than one will tend to collect in low and below grade places
True
Which of the following is NOT an example of a pressure facility tank?
Underground storage
Each individual reporting to only one supervisor defines
Unity of command
When utilizing the safety showers at an industrial facility, the firefighter should:
Verify where the run off goes
Cryogenic liquids are those which exist at:
—150F
A level 2 incident that is beyond the normal capabilities of the first responder having jurisdiction ay require a response from:
A hazardous material response team
In level 1 incidents, the response team should be able to deal with
A natural gas leak in a building
The primary hazard of an oxidizer is its ability to
Accelerate combustion
A person who is repeatedly exposed to a chemical may develop:
Acute health hazard
CHEMTREC/CANUTEC can usually provide all of the following information EXCEPT:
Advice on remediation contractors
Respiratory protective equipment should be cleaned and inspected:
After each use
The type of hazardous material identification method for shipping some products over 1001 pounds is the:
DOT system
A rail car with a stenciled name on its side is generally a:
Dedicated car
There is specific information given on pipeline markers. Of the information given which is not required on a pipeline marker?
Destination of the product
If a container is unable to adapt to applied stress, it will breach. An opening commonly associated with a BLEVE is called:
Runaway cracking
The person who advises the incident commander of existing or potentially unsafe conditions, monitoring conditions of personnel, and compliance with standard operating procedures is the:
Safety officer
The tactical response to a hazardous materials incident is usually divided into management functions referred to as:
Sectors/groups
In using the various clues for detecting the presence of hazardous materials, the use of ___ would be considered the MOST dangerous
Sense of smell
Responders can contact the shipper directly from the emergency contact number on the:
Shipping papers
Which of the following is an appropriate application of high-expansion foam
When flooding a large area with foam
The DOT placarding system requires a vehicle carrying over 1001 pounds of corrosive to display a ____ placard
White over black
