IFSTA Chapter 24 Test TEST 100% Solved

IFSTA Chapter 24 Test TEST 100% Solved In North America, the U.N.'s Transportation of Dangerous Goods - Model Regulations is the basis of: - 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? - Answer- Barges The three mechanisms or harm in a container hazardous materials incident are: - Answer- energy release, corrosivity, and toxicity. In Step 4 of the APIE process, responders: - 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: - Answer- cryogens In which type of occupancy are first responders MOST likely to find supplies of anhydrous ammonia? - Answer- Farms Which type of ionizing radiation consists of high-energy photons? - Answer- Gamma Materials with very little radioactivity that present no risk to the public should be shipped using what type of packaging? - Answer- Excepted Most hazmat incidents, such as gasoline and diesel fuel spills, involve what hazard class? - Answer- Class 3 In the U.N. system, hazard classes are divided into: - Answer- nine classes that include gases, infectious substances, and miscellaneous. A boiling liquid expanding vapor explosion (BLEVE) is caused by: - Answer- a heated liquid or gas expanding. In addition to burning, all flammable and combustible liquids exhibit varying degrees of: - Answer- toxicity. Which method of detecting the presence of hazardous materials would pose the least risk for a first responder? - Answer- Referring to a preincident survey of the facility Locations such as ports, docks, railroad sidings, airplane hangars, and truck terminals: - Answer- are likely locations for hazmat incidents. The damaging effects of ionizing radiation occur at the _____ level. - Answer- cellular Small airborne particles of solid substances such as grain, flour, sugar, coal, metal, or sawdust: - Answer- can ignite or explode. Which statement about gases is most accurate? - 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? - Answer- Marking A fuel that has moved beyond its upper flammable limit will: - Answer- be too rich to burn. Which statement about pipelines is MOST accurate? - 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? - Answer- Inventories, businesses, or other factors may change without notice. Breathing hazardous materials in through the nose or mouth is defined as: - Answer- inhalation Acute health effects are: - Answer- short-term effects that appear within hours or days. What is a 3.9-inch (100 mm) square-on-point diamond that identifies hazardous materials within packaging? - Answer- Label Biohazards such as infectious substances are part of which hazardous class? - Answer- Class 6 The concentration (in air) at which the "average person" can smell a particular compound is the: - Answer- odor threshold. Uniform classification of hazardous substances and uniform labeling standards are key elements of: - Answer- the Globally Harmonized System (GHS). Safety data sheets: - Answer- are often the best source of information about a particular material to which emergency responders have access. Once hazardous materials are detected, first responders should: - Answer- use a number of resources to identify the materials and potential hazards. Chemical Inventory Lists (CILs) at facilities usually contain information about locations of materials within a facility, making them useful tools for: - Answer- identifying containers that have been damaged or are missing labels or markings. Flammable gases have: - Answer- very low flash points. Which type of container breach has been documented as c