Hazmat Operations Indiana actual exam with 100% correct answers(latest update)

What is HAZWOPER's regulation? 19 CFR 1910.120 Ignition sources are of particular concern with gases and vapors that are ____. Heavier than air. Concentrations of a gas or vapor above __% of the LEL must be considered to have a potential for ignition. 10% The key steps in analyzing the incident include surveying the scene, collecting hazard and response information, and ____. Predicting likely behavior of the material(s) involved. Federal On-Scene Coordinators can be obtained by contacting what agency? NRC The highest degree of danger indicated in a quadrant of the NFPA 704 diamond is ____? Four The number "3" denotes what type of hazard on the NFPA 704 Diamond? Serious Products such as liquid oxygen or liquid nitrogen pose a health threat due to the possibility of _____. Frostbite. Transport containers must display DOT placards on how many sides? Four. The signal word on a pesticide label symbolizes the ______. Degree of toxicity. Organophosphates can be categorized into what health hazard? Convulsants. Drugs or chemicals that cause muscle spasms, difficulty breathing, suffocation, and muscular rigidity are classified as _____. Asphyxiants. The amount of a substance that will kill half of a tested population through inhalation is called ______. LC50. DOT 412/312 tankers run with pressures under _____. 75 psi. The main hazard of products carried in DOT 412/312 tankers is ____. Chemical burns Pressurized railroad tank cars have pressures that always exceed ____. 100 psi Pressurized tank cars operate between ____ and ____ psi. 100 and 600 Cryogenic tank cars have its valves and fittings ________. Located at ground level NIOSH uses this term for a 10-hour-a-day/40-hour-a-week exposure. REL Cryogenic liquids are refrigerated to ______ degrees F. -150 Which rail cars have insulated double walls? Cryogenic Cryogenic liquid intermodal containers are what type? 7 A common cylinder type for chlorine, phosgene, and sulfur dioxide is called _______. One ton Any fire house with items such as diesel fuel, cleaning liquids, or even AFFF that are more than "household quantities" are required to have a _____. MSDS on those items Which source provides the best information on a specific chemical? MSDS All cylinders are equipped with a relief plug or frangible disk unless they contain what types of materials? Poisonous and toxic This is the type of low-level radioactive packaging that would not be indicated as hazardous on shipping papers. Excepted Which reference provides the best information on exposure limits and sign and symptoms of exposure? NIOSH pocket guide High-level radioactive wastes and spent fuel are shipped in _____ packaging. Type B What organizations must be notified if a released material exceeds its reportable quantity? National Response Center Which of the following hazard classes must always be placarded when in transport? 2.3 A "Dangerous" placard is used when ______. Two or more transported materials exceed 1,000 lbs Breaches cannot come in the form of _____. Rubbing