HAZMAT 2023 Exam Practice test questions with correct and complete answers

A chemical with a vapor density greater than one will tend to collect in low and below grade places True The chemicals listed int highlighted type in the ERG were selected because They present a toxic Inhalation hazard To obtain hazard and response information a firefighter can contact the manufacturer using: CAMEO One of the symptoms of poisonous gases such as chlorine and anhydrous ammonia is severe irritation to the _____ system Respiratory A placard with 5.1, a yellow back an open circle with flames is a(n) Oxidizer Which of the following is NOT a characteristic of AFF It should be plunged in fuels Backup personnel should be advised of the incident action plan and position in the ____ zone Cold 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 A product that is heavier than water and sinks when placed in water is an example of Specific gravity The UN hazard class 6 includes all of the following except Infectious substances If a container is unable to adapt to applied stress, it will breach. An opening commonly associated with a BLEVE is called: Runaway cracking Diversion diving and retention are all techniques used in: Confinement In level 1 incidents, the response team should be able to deal with A natural gas leak in a building All of the following statements about emergency decontamination are true except: It removes the treat of secondary contamination 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 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 A rail car with a stenciled name on its side is generally a: Dedicated car 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 A ____ sounds often occurs when metal has been softened by high heat and pressure Pinging CHEMTREC/CANUTEC can usually provide all of the following information EXCEPT: Advice on remediation contractors Placard with a white background with a number 6 indicated the substance is considered Highly toxic A tank carrier designed to haul various chemicals whose pressures DO NOT exceed 4o psi at 70F would be an MC 307/ DOT 407 _____ is designed to remove immediately those contaminates that pose immediate threat to life Emergency Decon 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 Self contained breathing apparatus and supplied air respirators are 2 types of: Atmosphere supplied devices Which of the following is not a required signal word on a pesticide label? Toxic Local emergency response personnel can avoid considerable confusion if the ____ is utilized in preincident planning MSDS The tactical response to a hazardous materials incident is usually divided into management functions referred to as: Sectors/groups Who is responsible for requesting additional resources at a hazardous materials incident? Logistics If a hazardous material incident involves a leaking flammable substance, the first responders should immediately remove all Ignition sources The primary hazard of an oxidizer is its ability to Accelerate combustion The type of hazardous material identification method for shipping some products over 1001 pounds is the: DOT system On cargo tanks, emergency remote shut of devices are usually located At the front of the truck on the driver's side A tractor trailer hauling a tanker containing gasoline should display a placard with the UN designation of 1203 flammable 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 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 A carboy may be used for containing Corrosives Which of the following is NOT an example of a pressure facility tank? Underground storage The concentration that should NEVER be exceeded is called: TLV-C When an operations section has not been staffed, staging reports to: Command "people inside a build should remain inside until the danger passes" is describing: In-place protection Respiratory protective equipment should be cleaned and inspected: After each use Federal agencies may be contacted and authorized for assistance at a terrorist activity by: Claiming a presidential declaration Responders can contact the shipper directly from the emergency contact number on the: Shipping papers Which of the following is a characteristic of protein foams? They are designed for hydrocarbon fires only ____ is placed on highway transport vehicles to identify the contents Placard Cryogenic liquids are those which exist at: —150F Exposure to ____ materials may cause freeze burns and frostbite Cryogenic In the UN/DOT marking system, hazard class 3 includes: Flammable liquids 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 Determining whether a vapor will rise or fall is commonly referred to as : Vapor dispersion Chemicals with specific gravities greater than one tend to float on water False The safety officer notices a critical emergency condition at an incident. The safety officer should Intervene or notify IC for corrective action A substance that spontaneously releases ionizing radiation would be labeled a ____ hazard classification under the UN labeling system 7 Pressure facility tanks are divided into 2 categories: Low and high pressure Chemicals that are classified as ____can cause a severe allergic reaction Sensitizers A common characteristic of cylinders is Relief valves 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 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 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 Which of the following is an appropriate application of high-expansion foam When flooding a large area with foam 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 The general routes of entry for human exposure to hazardous materials are: Inhalation, ingestion, absorption, and injection There is specific information given on pipeline markers. Of the information given which is not required on a pipeline marker? Destination of the product A common hazard with cylinders involved with fire is Explosions During an incident involving a train you should look for the shipping papers in any of the following except Rail cars carrying the products The DOT placarding system requires a vehicle carrying over 1001 pounds of corrosive to display a ____ placard White over black The NFPA 704 system indicates a: Relative risk