Hazardous Materials Operations State Exam 100% correct answers 2023

Hazardous Materials Operations State Exam 100% correct answers 2023Which of the following is a primary responsibility of the Awareness-Level first responder? A. Implementing a plan of action B. Beginning offensive actions at the incident C. Analyzing an incident to determine the extent of potential harm D. Recognizing the presence or potential presence of a hazardous material Recognizing the presence or potential presence of a hazardous material Which NFPA standard specifies competencies Awareness-Level first responders must meet? A. NFPA 272 B. NFPA 472 C. NFPA 1002 D. NFPA 1600 NFPA 472 What are the 3 physical states of matter? - Solid - Liquid - Gas Temperature at which a liquid changes to a solid freezing point Temperature at which a solid changes to a liquid Melting Point What are the 5 steps to the Incident tactical response objective - Isolate - Identify - Notify - Mitigate - Terminate The nation requires a ____________________ to provide a comprehensive and effective means to disseminate information regarding the risk of terrorist acts to federal, state and local authorities and to the American people. Homeland Security Advisory System Which of the following refers to the process of taking in materials by breathing through the nose or mouth? A. Absorption B. Ingestion C. Inhalation D. Penetration Inhalation Which of the following would be a potential ignition source in an explosive atmosphere? A. Using bells or whistles B. Operating a radio C. Touching metal surfaces D. Donning/doffing SCBA Operating a radio Which of the following are the three states that hazardous materials may occur in? A. Gas, liquid, solid B. Stable, unstable, neutral C. Vapor, smoke, steam D. Flammable, nonflammable, combination Gas, liquid, solid Malaria is what type of hazard? A. Etiological B. Chemical C. Thermal D. Radiological Etiological What type of hazard are striking injuries that are the result of a BLEVE? A. Thermal B. Etiological C. Mechanical D. Chemical Mechanical Which of the following DOT placard color codes refers to health hazards? A. White B. Green C. Blue D. Yellow White Which of the following DOT placard color codes refers to oxidizer hazards? A. Green B. Blue C. Orange D. Yellow Yellow Ability of a material to release energy either by itself or in combination with other materials Reactivity Which U.S. DOT hazard class refers to poison materials and infectious substances? A. Class 4 B. Class 5 C. Class 6 D. Class 7 Class 6 Any liquid or solid that causes steel to corrode at a severely accelerated rate. Corrosive PH stands for? power of hydrogen True/False Each point on a PH scale is a factor of 10 Ex: A PH3 is ten times stronger than PH4 True Which of the following colors represents health hazards in the NFPA 704 system? A. Red B. Blue C. White D. Yellow Blue What is the Flashpoint of gasoline -45 F What does MSST stand for? Maximum Safe Storage Temperatures A chemical agent is said to be ___________ if it remains liquid for longer than 24 hours and non-persistent if it evaporates within that time Persistent A reaction that absorbs heat Endothermic What does Class 5 stand for? Oxidizer Pressure exerted on the inside of a closed container by the vapor in the space above the liquid in the container Vapor Pressure A material that ignites spontaneously in air below 130 degrees F Pyrophoric What does class 9 belong to? Miscellaneous hazardous material T/F Over pressurization may cause a violent rupture also called BLEVE tRUE Liquid changes its phase to a vapor or gas Temperature What is the density of air 1 Minimum temperature at which a liquid gives off sufficient vapors that will ignite and sustain combustion Fire point What is 7 on the PH scale? Neutral What does BLEVE stand for Boiling Liquid Expanding Vapor Explosion Chemicals which are capable of causing convulsions or seizures when absorbed by the body Convulsant T/F Polar Solvents are water soluble True The ability of a substance to dissolve in water Water solubility Chemicals which affect a fetus in vivo, causing birth defects, fetal distress or death ex: lead, ethylene, oxide Teratogens Which of the following colors represents instability hazards in the NFPA 704 system? A. Red B. Blue C. White D. Yellow Yellow What does Class 4 stand for? Flammable solid True/False Non-polar solvents are not water soluble True What Does BLEVE stand for? Boiling liquid expanding vapor explosion Which of the following U.S. pipeline color codes represents low-hazard liquids? A. Red B. Blue C. Green D. Yellow Green What does Class 8 belong to? Corrosive Which of the following entries on shipping papers would indicate the presence of hazardous materials? A. Receiver's name and address B. Shipper's name and address C. Gross weight of material shipped D. UN/NA identification number UN/NA identification number Exposure that is long term, occurring over the course of many months or years Chronic Any material that causes the victim to suffocate Asphyxiant Cancer causing agent Carcinogen What are 2 examples of Polar solvents Alcohol, acetone Which of the following is the shipping paper name for highway transport? A. Air bill B. Bill of lading C. Waybill/consist D. Dangerous cargo manifest Bill of lading What section of the MSDS would contain information on emergency and first-aid procedures? A. Control Measures B. Reactivity Data C. Hazardous Ingredients D. Health Hazard Data Health Hazard Data