Hazmat Study Guide Questions And Answers Latest Top Score.

Hazmat Study Guide Questions And Answers Latest Top Score. The U.S. Department of Transportation's definition of hazardous materials specifies three entities against which a hazardous material poses an unreasonable risk. What is one of these entities? - correct answer. The environment Which NFPA standard addresses competencies for hazardous materials/WMD responders? - correct answer. 472 What is the acronym for the OSHA federal document containing hazardous materials response competencies? - correct answer. HAZWOPER What statement best describes the correct perspective to take at a hazardous materials/WMD incident? - correct answer. Slow down and think before you act. What level of hazardous materials training enables first responders to recognize a potential hazardous materials emergency, protect themselves, isolate the area, and call for assistance? - correct answer. Awareness In hazardous materials pre-incident planning, once the agency has identified the threats in its jurisdiction, what should the agency do next? - correct answer. Determine how it will respond. What is it called when there is not enough fuel in a fuel/air mixture? - correct answer. Too lean __________ is to liquids as vapor density is to gases. - correct answer. Specific gravity Corrosives can be broken down into: - correct answer. Acids & bases When the letters LD or LC are followed by a number, what does that number indicate? - correct answer. The percentage of test subjects that will die when exposed to a specified amount What is the temperature at which a liquid continuously gives off vapors? - correct answer. Boiling point What is the temperature at which a flammable liquid will ignite without the need for an external ignition source? - correct answer. Ignition temperature What quantity is the weight of a liquid as compared to an equal volume of water? - correct answer. Specific gravity ________ identifies the hazard as a liquid, solid, or gas. - correct answer. State of matter What is the term for a catastrophic failure of a pressurized cylinder of liquid? - correct answer. BLEVE What is the temperature at which a liquid fuel gives off sufficient vapor such that when an ignition source is present the vapors will ignite? - correct answer. Flash point What is the temperature at which sustained combustion will occur? - correct answer. Fire point Which term refers to the concentration of a gas or vapor in air that will burn if provided with a source of ignition? - correct answer. Flammable range What is the term for the pressure exerted by the vapor of a liquid until the vapor and the liquid are in equilibrium? - correct answer. Vapor pressure What is the term for the ability of a substance to dissolve in water? - correct answer. Water solubility What is used as a measurement of the corrosive strength of a substance? - correct answer. pH What is the term for the process by which people, animals, the environment, and equipment are subjected to contact with a hazardous material? - correct answer. Exposure If a victim is twitching, what agent would you suspect he or she has been exposed to? - correct answer. Nerve What mnemonic is used to summarize the more common signs and symptoms of nerve agent exposure? - correct answer. SLUDGEM What type of agent prevents the body from using oxygen? - correct answer. Blood What is the process by which toxic substances are brought into the body through the respiratory system? - correct answer. Inhalation What is the process by which hazardous materials enter the body by permeating the skin? - correct answer. Absorption What is the process by which chemicals enter the body through the gastrointestinal tract? - correct answer. Ingestion What is the term for the process by which chemicals are brought into the body through an open cut? - correct answer. Injection A person develops asbestosis after repeated exposures to asbestos over 20 years. This is an example of what kind of health effect? - correct answer. Chronic Damage to a person's skin, resulting from exposure to sulfuric acid, is an example of what kind of health effect? - correct answer. Acute A responder has come in contact with a hazardous material by handling a tool that was used to stop a leak. This is an example of: - correct answer. Secondary contamination Of the following, which is the best example of secondary contamination? - correct answer. Contact with runoff from firefighting operations on an ignited material How large must the capacity of a liquid storage container be to qualify as a bulk storage container? - correct answer. More than 119 gallons What is the term for an engineered catch basin around a 5000-gallon liquid container that is designed to contain product if the container fails? - correct answer. Secondary containment Closed-head drums have a permanently attached lid with one or more small openings. What are these small openings called? - correct answer. Bungs How is the lid on an open-head drum fastened? - correct answer. By a ring and tightening hardware What is the term for gaseous substances that have been chilled until they liquefy? - correct answer. Cryogen What do Dewar containers hold? - correct answer. Cryogenic liquids