IFSTA Chapter 24 Test question n answers graded A+

IFSTA Chapter 24 TestIn North America, the U.N.'s Transportation of Dangerous Goods - Model Regulations is the basis of: - correct answer the placarding, labeling, and marking system used to identify hazardous materials during transportation. Which marine vessels may serve as floating warehouses with hazardous goods, vehicles, or rail cars inside? - correct answer Barges The three mechanisms or harm in a container hazardous materials incident are: - correct answer energy release, corrosivity, and toxicity. In Step 4 of the APIE process, responders: - correct answer monitor progress to see whether the response plan is working, and continue throughout the incident. Liquid oxygen (LOX), nitrogen, helium, hydrogen, argon, and liquefied natural gas (LNG) are examples of: - correct answer cryogens In which type of occupancy are first responders MOST likely to find supplies of anhydrous ammonia? - correct answer Farms Which type of ionizing radiation consists of high-energy photons? - correct answer Gamma Materials with very little radioactivity that present no risk to the public should be shipped using what type of packaging? - correct answer Excepted Most hazmat incidents, such as gasoline and diesel fuel spills, involve what hazard class? - correct answer Class 3 In the U.N. system, hazard classes are divided into: - correct answer nine classes that include gases, infectious substances, and miscellaneous. A boiling liquid expanding vapor explosion (BLEVE) is caused by: - correct answer a heated liquid or gas expanding. In addition to burning, all flammable and combustible liquids exhibit varying degrees of: - correct answer toxicity. Which method of detecting the presence of hazardous materials would pose the least risk for a first responder? - correct answer Referring to a preincident survey of the facility Locations such as ports, docks, railroad sidings, airplane hangars, and truck terminals: - correct answer are likely locations for hazmat incidents. The damaging effects of ionizing radiation occur at the _____ level. - correct answer cellular Small airborne particles of solid substances such as grain, flour, sugar, coal, metal, or sawdust: - correct answer can ignite or explode. Which statement about gases is most accurate? - correct answer Gases have an undefined shape and keep expanding if uncontained. What is a descriptive name, identification number, weight, or specification that includes instructions, cautions, or U.N. marks, and is required on outer packaging of hazardous materials? - correct answer Marking A fuel that has moved beyond its upper flammable limit will: - correct answer be too rich to burn. Which statement about pipelines is MOST accurate? - correct answer Pipeline companies must provide markers where pipelines cross under (or over) railroads or waterways. What are some reasons that preincident surveys might not be accurate or useful in a hazmat incident? - correct answer Inventories, businesses, or other factors may change without notice.