Chapter 5

1. Incidents involving _____are potentially the most dangerous for emergancy responders.

2. What BEST describes compressed gas?

3. The concentration (in air) at which the "average person" can smell a particular compound is the:

4. The damaging effects of ionizing radiation occur at the __ level.

5. Fla1mnable gases have:

6. Overhead power lines, highway traffic, and rail lines are examples of:

7. Static electricity, internal combustion engines, and heated surfaces are examples of:

8. Organic peroxides are both an oxidizer and a fuel, making them very:

9. The conversion of a liquid to vapor:

10. 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?

11. 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:

12. addition to burning, all flammable and combustible liquids exhibit varying degrees of:

13. When is topography a factor in hazmat incidents?

14. Posionous materials are known to be _____ to humans.

15. What is the pressure exerted by a saturated vapor above its own liquid in a closed container?

16. Which type of radiation can be reduced or stopped by a layer of clothing, a thin sheet of metal, or a thick Plexiglass?

17. Asphyxiants, irritants, convulsants, and carcinogens are types of:

18. The ALARA principle uses time, distance, and __ to limit exposure to radiation.

19. Where are you MOST likely to find gases or vapors with vapor density greater than one?

20. Which of the following statements about a hazardous materials state of matter is MOST accurate?