Chapter 4

1. When is topography a factor in hazmat incidents?

2. What BEST describes compressed gas?

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

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

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

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

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

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

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

10. 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:

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

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

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

14. 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?

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

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

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

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

19. Fla1mnable gases have:

20. The conversion of a liquid to vapor: