Hazmat Awareness - Operations

Chapter 4

Knowledge Check

1. The ALARA principle uses time, distance, and __ to limit exposure to radiation.
2. Class 8 hazards are either a liquid or a solid that cause full thickness destruction of human skin at the site of contact because they are:
3. Which class of hazards is characterized by thermal and mechanical hazards in the form of blast pressure waves, shrapnel and fragmentation, and incendiary thermal effects?
4. The conversion of a liquid to vapor:
5. What BEST describes compressed gas?
6. The damaging effects of ionizing radiation occur at the __ level.
7. What is the pressure exerted by a saturated vapor above its own liquid in a closed container?
8. Posionous materials are known to be _____ to humans.
9. Fla1mnable gases have:
10. The concentration (in air) at which the "average person" can smell a particular compound is the:
11. Which of the following statements about a hazardous materials state of matter is MOST accurate?
12. Static electricity, internal combustion engines, and heated surfaces are examples of:
13. Which type of radiation can be reduced or stopped by a layer of clothing, a thin sheet of metal, or a thick Plexiglass?
14. Incidents involving _____are potentially the most dangerous for emergancy responders.
15. Asphyxiants, irritants, convulsants, and carcinogens are types of:
16. Organic peroxides are both an oxidizer and a fuel, making them very:
17. Where are you MOST likely to find gases or vapors with vapor density greater than one?
18. addition to burning, all flammable and combustible liquids exhibit varying degrees of:
19. When is topography a factor in hazmat incidents?
20. Overhead power lines, highway traffic, and rail lines are examples of: