Hazmat EXAM!. Top Questions and answers. 100% Accurate. 2023/2024 Update.

Hazmat EXAM!. Top Questions and answers. 100% Accurate. 2023/2024 Update. Compared to other types of incidents to which first responders are commonly called, hazardous material incidents typically ___________. A) are shorter in duration B) are more complicated C) produce a higher rate of false alarms D) result in more injuries - -B- are more complicated By which acronym are the federal regulations detailing hazardous materials response competencies collectively known? A) HAZEL B) HAZWOPER C) SARA D) HSC/HHC - -B- HAZWOPER (stands for Hazardous Waste Operations and Emergency Response) The DOT definition of hazardous materials focuses on those materials that are __________. A) intrinsically harmful B) not properly controlled C) transported in bulk D) in the process of transport - -B- not properly controlled Which of the following actions is permitted for operations-level hazardous materials responders? A) Closing a remote valve B) Product transfer C) Overpackaging D) Rescue - -A- closing a remote valve Which federal agency enforces and publicizes laws and regulations governing transportation of hazardous materials? A) Environmental Protection Agency B) Department of Transportation C) Interstate Commerce Commission D) Department of Energy - -B- DOT Which NFPA standard deals with various aspects of hazardous materials emergency response? A) 1901 B) 1002 C) 473 D) 10 - -C- 473 (Competencies for Emergency Medical Services Personnel Responding to Hazardous Materials/Weapons of Mass Destruction Incidents) Which personnel level receives more specialized hazardous materials training than the Technician level? A) Specialist B) Operations C) Technologist D) Expert - -A- specialist Which of the following actions is reserved for technician-level hazardous materials responders? A) Decontamination B) Offensive C) Containment D) Defensive - -B- offensive Which group within the NFPA produces the hazardous materials response standards? A) Technical Committee on Hazardous Materials Response Personnel B) Special Task Force on Hazardous Materials Substances, Responses, and Disposal C) Scientific and Technical Committee for Field Applications D) Study Group on the Integration of Applicable Hazardous Materials Regulations - -A- Technical Committee on Hazardous Materials Response Personnel What is the minimum level of hazardous materials training for a hazardous materials officer? A) Operations B) Awareness C) Specialist D) Technician - -A- operations Which law requires businesses that handle chemicals to report the type, quantity, and storage methods for these chemicals to the local fire department? A) Local Emergency Planning Act B) Hazardous Waste Operations and Emergency Response Act C) Superfund Amendment and Reauthorization Act D) Emergency Planning and Community Right to Know Act - -D- Emergency Planning and Community Right to Know Act What does the "W" stand for in the acronym HAZWOPER? A) Weapons B) Weather C) Wellness D) Waste - -D- waste The bulk of the new chemicals introduced each year fall into one of three categories. Which of the following is one of them? A) Medicines B) Military products C) Paints and coatings D) Lawn care products - -D- lawn care products What should be the primary focus when preplanning for hazardous materials incidents? A) Existing threats in the area B) History of past incidents C) The most vulnerable exposures D) Likely terrorist targets - -A- existing threats in the area Which committee gathers and disseminates information about hazardous materials to the public? A) IAFC regional public education B) USFA public preparedness C) Insurance Services Office Loss Control D) Local emergency planning - -D- local emergency planning Ideally, when should response to a hazardous materials incident begin? A) Upon receipt of the alarm B) After identifying the materials involved C) During preincident planning D) Upon arrival at the scene - -C- preincident planning In general, which factor has the most influence on the actions taken at a hazardous materials incident? A) The initial actions of first responders B) The properties of the specific chemicals involved C) Fixed facility versus transportation accident D) Weather conditions - -B- the properties of the specific chemicals involved Defensive hazardous materials operations are those actions taken to _________. A) minimize the volume of the release B) control the incident perimeter and isolate the hazard C) prevent the situation from deteriorating D) contain the release from a safe distance - -D- contain the release from a safe distance Approximately how many chemicals are registered for commercial use in the United States? A) 10,000 B) 25,000 C) 80,000 D) 200,000 - -C- 80,000 What is the minimum level of hazardous materials training required to take defensive actions? A) Awareness B) Technician C) Operations D) Specialist - -C- operations What is the temperature at which a liquid continuously gives off vapors? A) Evaporation point B) Flash point C) Boiling point D) Fire point - -C- boiling point What is the temperature at which a flammable liquid will ignite without any external ignition source? A) Fire point B) Flash point C) Lower explosive limit D) Ignition temperature - -D- ignition temperature Why are flammable liquids with low boiling points dangerous? A) Ignition temperature is proportional to boiling point B) Such liquids react more readily with other substances C) Such liquids typically have a high vapor density D) Such liquids produce large volumes of flammable vapor at relatively low temperatures - -D) Such liquids produce large volumes of flammable vapor at relatively low temperatures Which toxic chemical is produced by the burning of wood? A) Copper chlorate B) Organic peroxide C) Cyanide D) Acetic acid - -C- cyanide Which type of agent is also known as a riot-control agent? A) Deterrent B) Choking C) Irritant D) Smothering - -C- irritant Which section of the Emergency Response Guidebook (ERG) contains the guides? A) Green B) Yellow C) Blue D) Orange - -D) orange What is the vapor density of air? A) 14.7 B) 7 C) 1 D) 0 - -C- 1 Which term means the volume increase that occurs when a liquid material changes to a gas? A) Coefficient of vaporization B) Evaporation rate C) Expansion ratio D) Evaporation volume - -C- expansion ratio According to the NFPA, what is defined as a material capable of posing an unreasonable risk to health, safety, or the environment? A) Contaminant B) Hazard C) Dangerous good D) Exposure - -B- hazard What is the term for the process by which people, animals, the environment, and equipment come into contact with a hazardous material? A) Contamination B) Absorption C) Contact D) Exposure - -D- Exposure Which mnemonic helps fire fighters remember the seven categories of harm that can be caused by terrorism agents or other hazardous materials? A) WAFFLES B) PANOPRY C) TRACEMP D) CALLUPP - -C- TRACEMP (thermal, radiation, asphyxiant, chemical, etiologic, mechanical, psychogenic) Which particle has a positive charge? A) Electron B) Photon C) Proton D) Neutron - -C- proton Which of the following is the most toxic nerve agent? A) Sarin B) Soman C) VX D) Tabun - -C- VX (human-made chemical warfare agent. It's yellowish, odorless and tasteless liquid that disrupts the body's nervous system to lethal effect. 10mg is enough to kill a person through skin contact although it can also kill through inhalation Twitching is a hallmark of exposure to which type of agent? A) Nerve B) Blister C) Cyanide compound D) Choking - -A- nerve Rusting steel is an example of __________ change. A) physical B) compositional C) morphological D) chemical - -D- chemical Which type of agent prevents the body from using oxygen? A) Cyanide compound B) Irritant C) Choking D) Nerve agent - -A- cyanide compound What is the flash point of gasoline? A) -43°F (-41°C) B) -23°F (-30°C) C) 10°F (-12°C) D) 23°F (-5°C) - -A) -43°F (-41°C) When a chemical change occurs, the event is usually accompanied by __________. A) the release of energy B) a physical change C) spattering or boiling D) the evolution of gas - -A- the release of energy Which sort of change is combustion? A) Chemical B) Physical C) Endothermic D) Hypergolic - -A- chemical Which of the following is an example of secondary contamination? A) Contamination by airborne vapors B) Contact with the material during a defensive operation C) Stepping in a contaminated liquid pool D) Handling a contaminated tool - -D- Handling a contaminated tool What do Dewar containers hold? A) Foodstuffs B) Compressed gas C) Liquids for transport via air D) Cryogenic liquids - -D- Cryogenic liquids In the blue and yellow sections of the Emergency Response Guidebook (ERG), materials with a toxic inhalation hazard (TIH) are __________. A) underlined B) highlighted C) italicized D) in bold print - -B- highlighted What is the maximum capacity of an intermodal tank? A) 1500 gallons (5700 L) B) 3000 gallons (11,350 L) C) 4500 gallons (17,000 L) D) 6000 gallons (22,700 L) - -D- 6000 gallons (22,700 L) The time of onset for symptoms from the chemical agents used by terrorists is ________. A) seconds B) minutes to hours C) days D) weeks - -B- minutes to hours What does the NFPA 704 marking system address? A) Initial actions at a material release B) Hazardous materials at fixed facilities C) Compliance with the Hazard Communication Standard D) Hazardous materials transportation - -B- Hazardous materials at fixed facilities What is the typical maximum pressure reading for a standard oxygen cylinder used in the medical field? A) 1000 psi (6900 kPa) B) 2000 psi (13,800 kPa) C) 3000 psi (20,700 kPa) D) 4000 psi (27,580 kPa) - -B- 2000 psi (13,800 kPa) Which marking system complies with the OSHA Hazard Communication Standard? A) Hazardous Materials Information System B) NFPA 704 C) Material safety data sheet D) DOT placard - -A- Hazardous Materials Information System Which cargo is carried by a highway tanker that has a smaller-diameter tank with several reinforcing rings around the circumference? A) Paving materials B) Nonportable water C) Corrosives D) Flammable liquids - -C- Corrosives` Which free service can be accessed to connect fire fighters with chemical manufacturers, chemists, and other specialists during a chemical incident? A) National Response Center (NRC) B) Department of Transportation (DOT) C) Bureau of Explosives (BOE) D) CHEMTREC - -D- CHEMTREC What is the term for shipping papers carried on railroad transportation? A) Waybill B) Freight bill C) Manifest D) Switch list - -A- waybill Which section of the Emergency Response Guidebook (ERG) lists chemicals by their UN identification numbers? A) Green B) Yellow