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Hazmat Incident Commander
Chapter 8
Knowledge Check
1.
Use of breakthrough times from testing of chemical protective clothing against chemicals allows responders to estimate the duration of ________ protection in a worst-case scenario.
actual breakthrough time
cumulative permeation
normalized breakthrough time
permeation rate
2.
Which of the following is NOT a parameter that should be considered when evaluating and choosing chemical protective clothing materials and barrier fabrics?
Chemical resistance
Cost
Shelf life
Overall integrity
3.
Limited-use materials are protective clothing materials that are used and then discarded after how many uses?
1
5
10
15
4.
All of the following are parameters that should be considered when evaluating and choosing chemical protective clothing EXCEPT:
decontamination and disposal.
temperature characteristics.
flammability.
size availability.
5.
Which of the following NFPA standards covers Vapor Protective Ensembles for Hazardous Materials Emergencies?
1991
1992
1993
1994
6.
Which of the following is defined as the time from the initial chemical attack on the outside of the material until its desorption and detection inside?
Breakthrough time
Permeation rate
Cumulative permeation
Degradation
7.
Manufacturers recommend which of the following uses for suits that have exceeded their shelf life?
They should be donated.
They should be used for training.
They should be put on exhibit.
They should be used as spares.
8.
Air purification respirators are designed to remove particulate matter, gases, or vapors before inhalation through the use of a _______ attached to a mask.
cartridge
hose
screen
separator
9.
Which of the following is the flow or movement of a hazardous chemical through closures, seams, porous materials, and pinholes or other imperfections in the material?
Degradation
Penetration
Permeation
Cumulative permeation
10.
Which of the following respiratory protections would best protect you from a thermal hazard?
APR
SCBA
PAPR
Medical mask
11.
Structural firefighting clothing (as compared to chemical protective clothing) would be preferred when exposed to:
toxic gases.
etiological materials.
a flammable liquid fire.
a corrosive spill.
12.
Which of the following self-contained breathing apparatus has a compressed air cylinder to supply fresh air that is exhaled to the ambient atmosphere?
Open circuit
Closed circuit
Bypass circuit
Isolated circuit
13.
________ is the rate at which the chemical passes through the chemical protective clothing material and is generally expressed as micrograms per square centimeter per minute.
Breakthrough time
Permeation rate
Cumulative permeation
Degradation
14.
All of the following basic types of protective clothing are used at hazmat incidents EXCEPT:
structural firefighting clothing.
chemical protective clothing.
high-temperature protective clothing.
utility protective clothing.
15.
For which of the following hazards would chemical vapor protective clothing be the most acceptable level for skin protection?
Thermal
Radiological particles
Chemical vapors or gases
Etiological
16.
Which of the following air-purifying respirators uses a blower to force the ambient air through air-purifying elements and into a full-face mask?
APR
PAPR
SCBA
SAR
17.
What is the maximum hose length from the source of supplied air?
100 feet
200 feet
300 feet
400 feet
18.
Which of the following respiration devices uses a filter, cartridge, or canister that removes specific air contaminants by passing ambient air through the filter, cartridge, or canister?
APR
PAPR
SCBA
SAR
19.
Which of the following is the most common type of PPE used by emergency responders?
Structural firefighting clothing
Chemical vapor–protective clothing
Chemical liquid–protective clothing
Station wear clothing
20.
Which type of self-contained breathing apparatus recycles exhaled air by removing carbon dioxide with an alkaline scrubber?
Open circuit
Closed circuit
Bypass circuit
Isolated circuit
21.
For what support function could limited-use materials be used due to their lower costs and reduced maintenance requirements?
Rehab
Decontamination
Entry
Command
22.
Reusable garments are designed and fabricated to allow for decontamination and reuse, although some certain chemical exposures may require the ________ of these garments.
sterilization
disinfection
disposal
return to manufacturer
23.
Which type of respiratory protection is used for long periods of working time at a hazardous materials incident?
APR
PAPR
SCBA
SAR
24.
Which of the following is a process by which a hazardous chemical moves through a given material on the molecular level?
Degradation
Penetration
Permeation
Cumulative permeation
25.
What industrial liquid chemical is used to test protective ensembles for first responders to chemical, biological, radiological, and nuclear incidents?
Acrolein
Chlorine
Sarin
Ammonia
26.
For which of the following environments can an APR be used by responders?
Oxygen deficient
Immediately dangerous to life and health
Known contaminants
Unknown contaminants
27.
According to NFPA 1991 and ASTM F1001, how many chemicals are chemical vapor protective clothing tested against?
7
14
21
28
28.
Which of the following NFPA standards covers Protective Ensembles for Chemical/Biological Terrorism Incidents?
1991
1992
1993
1994
29.
For which of the following hazards would structural firefighting clothing provide the responder with adequate skin protection?
Liquid chemicals
Etiological
Mechanical
Thermal
30.
The physical destruction or decomposition of a clothing material due to chemical exposure, use, or ambient conditions is known as:
degradation.
penetration.
permeation.
cumulative permeation.
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