HAZWOPER Technician

Practice Exam

Knowledge Check

Page 1 of 5

1. Where would you find information on protective clothing and respiratory protection recommendations?

The green highlighted sections of the blue-bordered pages

The Public Safety Section in the orange-bordered pages

The Table of Initial Isolation and Protective Action Distances

The ID Guide in the yellow-bordered pages

2. The APIE process is a simple 4-step response model that:

is not effective in large or complex hazmat incidents.

can guide responders' actions at hazmat incidents.

is required to be used at all North American hazmat incidents.

is most effective in large or complex hazmat incidents.

3. Which of the following BEST describes a unit of pressure relative to the surrounding atmosphere?

kPa

psig

Atmospheres

4. What will increase the rate of polymerization and decrease the activation energy necessary for further polymerization?

Inhibitor

Fuel

Catalyst

Contamination

5. A highway vehicle without a placard:

should be stopped and inspected for terrorist activity.

may still be carrying hazardous materials.

will NOT be carrying hazardous materials.

is illegal.

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

potential ignition sources.

variables to eliminate.

potential site hazards.

unavoidable risks.

7. If an IC receives favorable progress reports from tactical and/or task supervisors, this is an indication that:

responders should withdraw immediately.

the IAP is effective.

the IC is no longer needed.

the incident is destabilizing.

8. How do EMS ensembles differ from fire service first responders?

EMS personnel must wear ballistic protection.

EMS PPE includes a sidearm.

EMS PPE must provide blood- and body-fluid pathogen barrier protection.

EMS personnel will typically wear higher levels of respiratory protection.

9. The basic principles of decon are get it off, keep it off, and _____ it.

destroy

identify

contain

preserve

10. Which level of PPE is only used when the specific material is known and has been measured, and the atmosphere is not IDLH?

Level B

Level D

Level A

Level C

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11. Decontamination usually takes place within the:

cold zone.

command zone.

hot zone.

warm zone.

12. What is the process in which a hazardous liquid interacts with (or is bound to) the surface of a sorbent material?

Absorption

Adsorption

Sorption

Resorption

13. What type of containers are flexible, collapsible bags or sacks, and also called bulk bags, bulk sacks, or tote bags?

Liquid

FIBC

RIBC

Nonbulk

14. Vapor protective clothing is usually part of what level of protection?

15. MC-331 cargo tanks typically have bolted manways, inlet and outlet valves, and:

black, heat-absorbing paint.

large hemispherical heads on both ends.

multiple compartments.

large bulky double shelling and heavy insulation.

16. Assessing the incident's conditions to recognize cues that indicate problems or potential problems is called:

size-up.

safety checks.

preincident planning.

hazard assessment.

17. Which statement about structural firefighters' protective clothing is accurate?

Gaps in structural fire fighting clothing only occur at the wrists and waist.

It provides exposure protection from liquid chemicals.

Although some hazardous materials can permeate structural fire fighting clothing, the material will quickly dissipate.

Gases and vapors can permeate the garments.

18. One difference between Mexican and U.S. placard, label, and marking systems is that:

Mexico has several placards for materials that may be inhaled.

Mexico does not require placards for radioactive materials.

information provided on Mexican labels and markings is likely to be in Spanish.

the Mexican system has several fewer hazard classes than the U.S. system.

19. The decision of whether to perform emergency or technical decon is determined based on the hazardous material involved and:

the local terrain and available waterways.

the urgency in removing the victim from the contaminated environment.

temperature and wind conditions.

how much media coverage is involved.

20. A written agreement defining roles and responsibilities within a Unified Command structure is known as a(an):

National Response Framework (NRF).

Memorandum of Understanding (MOU).

Incident Management System (IMS).

National Incident Management System (NIMS).

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21. What is required for all first responders who have been exposed or potentially exposed to hazardous materials?

Immediate hospitalization

A leave of absence

Exposure justification

Exposure records

22. The three incident priorities at all hazardous materials incidents apply to:

emergency responders entering the hot zone.

all emergency services organizations.

civilian and emergency responder victims.

fire and rescue operations.

23. Which of the following is an indicator to withdraw immediately?

A sudden change in pressure

Consistent temperatures

Black smoke

Alarm sounding on a photoionization detector.

24. What is the first step in the sequence proposed by the General Hazardous Materials Behavior Model (GEBMO)?

Stress

Exposure

Release

Dispersion

25. What type of dispersion pattern forms an irregularly shaped pattern of an airborne hazardous material where wind and/or topography influence the downrange course from the point of release?

Particulate

Cloud

Hemispheric

Plume

26. What is a likely result of following predetermined procedures at emergency incidents?

Increased chaos on scene

Decreased accountability

Effective command and control

Size-up becomes unnecessary

27. The damaging effects of ionizing radiation occur at the _____ level.

organ

external

cellular

environmental

28. Which of the following is a 3.9-inch (100 mm) square-on-point diamond that identifies hazardous materials within packaging?

Label

Marking

Placard

Four-digit ID number

29. The aim of technical decon for nonambulatory victims is to:

package and triage them appropriately.

make sure they understand the delayed health risks of the hazardous material.

thoroughly decontaminate them before transferring them to EMS.

apply first aid and return them to an ambulatory state.

30. Which type of respirator can remove vapor and gas?

APR

SCBA

IDLH

CPC

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31. When protecting the public at an incident, if there is enough time, the best protective action generally is:

shelter in place.

evacuation.

on-scene debriefing.

progress reports.

32. If service canines are brought into the hot zone, they must be:

decontaminated.

kept away from victims.

isolated.

destroyed.

33. The decontamination site should be situated _____ of the hot zone.

inside

downwind

upwind

opposite

34. The three mechanisms of harm in a container hazardous materials incident are:

dispersion patterns, rapid release, and detonation.

radioactivity, pressure, and temperature.

energy release, corrosivity, and toxicity.

wind speed, barometric pressure, and time of day.

35. Which cargo tank truck almost always carries flammable/combustible liquids such as gasoline, fuel oil, or alcohol?

Nonpressure

Cryogenic

High pressure

Low pressure

36. Which of the following BEST describes physical processes of materials?

Any erroneous or incomplete placarding or markings

Peculiar smells, visible vapor clouds, and radiant heat

The conversion of one substance to another

Processes that do NOT change the elemental composition of materials involved.

37. If a first responder becomes contaminated before realizing the situation, they should immediately withdraw and:

sample themselves to determine the contaminant.

follow local procedures for emergency decontamination.

notify law enforcement.

set up a decon zone.

38. In Step 1 of the APIE process, responders:

monitor progress to see whether the response plan is working and continue throughout the incident.

use the information gathered to determine what actions need to be taken to mitigate the incident.

gather information and attempt to understand the current situation.

perform tasks determined in the planning stage and direct actions to mitigate the incident.

39. Partially water-soluble chemicals will penetrate into the lower respiratory system and cause:

sudden gastrointestinal distress.

itching, scratching, and bloody skin lesions.

immediate symptoms such as coughing and throat irritations.

delayed symptoms that include pulmonary edema and coughing up blood.

40. In Step 4 of the APIE process, responders:

gather information and attempt to understand the current situation.

monitor progress to see whether the response plan is working and continue throughout the incident.

use the information gathered to determine what actions need to be taken to mitigate the incident.

perform tasks determined in the planning stage and direct actions to mitigate the incident.

Page 5 of 5

41. Which of the following statements about determining the need for emergency decontamination at an incident is MOST accurate?

Emergency decontamination should be considered at all hazmat incidents.

Emergency decontamination includes the transfer of a hazardous material in greater than acceptable quantities.

Emergency decontamination is necessary for anyone exposed to a hazardous material.

Emergency decontamination is the sudden failure of personal protective equipment or clothing.

42. The technical decontamination process that uses a material to change the chemical structure of a hazardous material is:

dilution.

chemical degradation.

brushing and scraping.

evaporation.

43. Which of the following 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?

Label

Four-digit ID number

Marking

Placard

44. The reducing agent in the fire tetrahedron acts as the _____ source for the reaction.

oxygen

activation

fuel

autoignition

45. What type of incident requires unified command?

Level III

Level IV

Level I

Level II

46. A Level II incident:

will most likely not be concluded by any one agency.

does not require the use of chemical protective clothing.

is beyond the capabilities of the first responders on the scene.

requires resources from state/provincial agencies, federal agencies, and/or private industry.

47. Under ANSI Z535.1, what color means Warning?

Red

Orange

Green

Yellow

48. What should happen before entry personnel enter the hot zone?

Responders should undergo decon.

Technical decon should be set up.

Victims should be identified.

Victims should be instructed to disrobe.

49. Collision, impact, or internal overpressure are common causes of damage to a container caused by _____ energy.

mechanical

thermal

chemical

radiological

50. Which type of biological/etiological hazard spreads mostly through the bite of infected arthropods?

Biological toxins

Rickettsias

Bacteria

Viruses

HAZWOPER Technician

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