Essentials of Fire Fighting and Fire Department Operations
6th Edition IFSTA
Full download link at: https://testbankpack.com/p/test-bank-foressentials-of-fire-fighting-and-fire-department-operations-6th-editionby-ifsta-isbn-0879395214-9780133140804/
Chapter 7: Portable Fire Extinguishers
MULTIPLE CHOICE
1. Portable fire extinguishers should be chosen based on the:
A. heat of the fire.
B. type of fuel that is burning.
C. amount of agent required to extinguish the fire.
D. distance required between the extinguisher and the fire.
ANS: B PTS: 1 REF: 340
OBJ: 7.I.1 Explain portable fire extinguisher classifications.
TOP: Firefighter I
NAT: NFPA® 1001, 5.3.16
2. What classification of portable fire extinguisher is used for fires that involve combustible liquids and gases?
A. Class A
B. Class B
C. Class D
D. Class K
ANS: B PTS: 1 REF: 341
OBJ: 7.I.1 Explain portable fire extinguisher classifications.
TOP: Firefighter I
NAT: NFPA® 1001, 5.3.16
3. What classification of portable fire extinguisher is used for fires that involve combustible metals and alloys?
A. Class A
B. Class B
C. Class D
D. Class K
ANS: C PTS: 1 REF: 341
OBJ: 7.I.1 Explain portable fire extinguisher classifications. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
4. What classification of portable fire extinguisher is used on fires that involve combustible cooking oils?
A. Class A
B. Class B
C. Class D
D. Class K
ANS: D PTS: 1 REF: 342
OBJ: 7.I.1 Explain portable fire extinguisher classifications. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
5. Which method of extinguishing works by excluding oxygen from the burning process?
A. Cooling
B. Smothering
C. Saponification
D. Chain breaking
ANS: B PTS: 1 REF: 342
OBJ: 7.I.2 Describe types of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
6. What expelling mechanism works when the operator physically applies pressure to a pump that increases pressure within the container?
A. Scoop
B. Manual pump
C. Stored pressure
D. Pressure cartridge
ANS: B PTS: 1 REF: 343
OBJ: 7.I.2 Describe types of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
7. What type of portable fire extinguisher is intended primarily for ground cover fires?
A. Clean agent
B. Pump-type water
C. Aqueous film forming foam
D. Wet chemical stored-pressure
ANS: B PTS: 1 REF: 345
OBJ: 7.I.2 Describe types of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
8. What type of portable fire extinguisher uses air stored in the tank to force water up a siphon tube when operated?
A. Clean agent
B. Pump-type water
C. Carbon dioxide (CO2)
D. Stored-pressure water
ANS: D PTS: 1 REF: 346
OBJ: 7.I.2 Describe types of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
9. What type of portable fire extinguisher is intended for use on Class K fires?
A. Clean agent
B. Pump-type water
C. Aqueous film forming foam
D. Wet chemical stored-pressure
ANS: D PTS: 1 REF: 346
OBJ: 7.I.2 Describe types of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
10. The resulting foam from an aqueous film forming foam (AFFF) extinguisher will ___ fuels lighter than air.
A. mix in with
B. float on the surface of
C. sink below the surface of
D. cause a chemical reaction with
ANS: B PTS: 1 REF: 346
OBJ: 7.I.2 Describe types of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
11. What application method is used with an aqueous film forming foam (AFFF) extinguisher in order to prevent disturbing the fuel?
A. Apply foam directly to fuel surface
B. Apply foam in conjunction with dry ice crystals
C. Allow foam to gently rain down onto fuel surface
D. Allow foam to rest before applying to fuel surface
ANS: C PTS: 1 REF: 346
OBJ: 7.I.2 Describe types of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
12. What type of portable fire extinguisher is discharged in the form of gas and works on Class B and Class C fires?
A. Clean agent
B. Pump-type water
C. Carbon dioxide (CO2)
D. Wet chemical stored-pressure
ANS: C PTS: 1 REF: 348
OBJ: 7.I.2 Describe types of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
13. What type of portable fire extinguisher may produce a cloud that reduces visibility when discharged?
A. Dry chemical
B. Pump-type water
C. Aqueous film forming foam
D. Wet chemical stored-pressure
ANS: A PTS: 1 REF: 349
OBJ: 7.I.2 Describe types of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
14. What type of portable fire extinguisher may be applied with either an extinguisher or a scoop?
A. Dry powder
B. Dry chemical
C. Pump-type water
D. Wet chemical stored-pressure
ANS: A PTS: 1 REF: 350
OBJ: 7.I.2 Describe types of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
15. What portable fire extinguisher rating is based on the approximate square foot (square meter) area of flammable liquid a nonexpert operator can extinguish?
A. Class A rating
B. Class B rating
C. Class K rating
D. Multiple markings
ANS: B PTS: 1 REF: 352
OBJ: 7.I.3 Define the ratings in a portable fire extinguisher rating system.
NAT: NFPA® 1001, 5.3.16 TOP: Firefighter I
16. What portable fire extinguisher rating considers both the toxicity of the extinguishing agent and the toxicity of fumes produced when the agent is applied?
A. Class A rating
B. Class B rating
C. Class C rating
D. Class D rating
ANS: D PTS: 1 REF: 352
OBJ: 7.I.3 Define the ratings in a portable fire extinguisher rating system.
NAT: NFPA® 1001, 5.3.16 TOP: Firefighter I
17. On a multiple marking extinguisher the ratings for each class are:
A. directly related to the others.
B. only identified by pictographs.
C. separate, they do not affect each other.
D. indicators that firefighters should not use them.
ANS: C PTS: 1 REF: 353
OBJ: 7.I.3 Define the ratings in a portable fire extinguisher rating system.
NAT: NFPA® 1001, 5.3.16 TOP: Firefighter I
18. Which statement BEST describes portable fire extinguisher selection?
A. Extinguisher ratings do not impact selection.
B. The correct extinguisher will minimize risk to life and property.
C. The correct extinguisher will always require an expert operator.
D. All types of extinguishers can be selected regardless of the situation.
ANS: B PTS: 1 REF: 354
OBJ: 7.I.4 Explain the considerations taken when selecting and using portable fire extinguishers.
NAT: NFPA® 1001, 5.3.16 TOP: Firefighter I
19. Once the proper extinguisher is selected, you must perform a visual inspection to ensure the extinguisher:
A. has no external marks.
B. is charged and operable.
C. feels as though it contains agent.
D. has a long enough hose to reach the fire.
ANS: B PTS: 1 REF: 354
OBJ: 7.I.4 Explain the considerations taken when selecting and using portable fire extinguishers.
NAT: NFPA® 1001, 5.3.16 TOP: Firefighter I
20. Once the proper extinguisher is selected, you must check to ensure the pressure gauge:
A. is not clouded over.
B. is in the operable range.
C. has been properly inspected.
D. records the last maintenance performed.
ANS: B PTS: 1 REF: 354
OBJ: 7.I.4 Explain the considerations taken when selecting and using portable fire extinguishers.
NAT: NFPA® 1001, 5.3.16 TOP: Firefighter I
21. The P in the PASS acronym stands for:
A. squeeze handles.
B. aim nozzle at base of fire.
C. sweep nozzle back and forth.
D. pull pin by breaking wire or seal.
ANS: D PTS: 1 REF: 355
OBJ: 7.I.4 Explain the considerations taken when selecting and using portable fire extinguishers.
NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
22. Which of the following statements BEST describes how to prevent scattering of lightweight fuels?
A. Wind may be used to allow the agent to reach the fuel surface.
B. First allow fuel to burn off vapors before applying agent to the fuel surface.
C. Apply the agent from point where it reaches, but does not disturb, the fuel surface.
D. Use two extinguishers, alternating application patterns, to apply agent to the fuel surface.
ANS: C PTS: 1 REF: 356
OBJ: 7.I.4 Explain the considerations taken when selecting and using portable fire extinguishers.
NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
23. Signal to others that a portable fire extinguisher is empty by:
A. laying it on its side.
B. marking it with a tag.
C. standing it straight up.
D. covering the hose with a blanket.
ANS: A PTS: 1 REF: 356
OBJ: 7.I.4 Explain the considerations taken when selecting and using portable fire extinguishers.
NAT: NFPA® 1001, 5.3.16
TOP: Firefighter I
24. NFPA® 10 requires inspection of portable fire extinguishers at least:
A. after every use.
B. every three months.
C. once every six months.
D. once a year.
ANS: D PTS: 1 REF: 357
OBJ: 7.I.5 Identify procedures used for the inspection, care, and maintenance of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16 | NFPA® 1001, 5.5.1
TOP: Firefighter I
25. During inspection, if a portable fire extinguisher is found deficient in weight by ___ percent it should be removed from service and replaced.
A. 5
B. 8
C. 10
D. 12
ANS: C PTS: 1 REF: 357
OBJ: 7.I.5 Identify procedures used for the inspection, care, and maintenance of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16 | NFPA® 1001, 5.5.1
TOP: Firefighter I
26. Do not remove the safety pin on a portable fire extinguisher until:
A. ready to use the extinguisher.
B. the fire appears to be dying out.
C. ordered to by the commanding officer.
D. you are 10 feet (3.04 meters) from the fire.
ANS: A PTS: 1 REF: 358
OBJ: 7.I.5 Identify procedures used for the inspection, care, and maintenance of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16 | NFPA® 1001, 5.5.1
TOP: Firefighter I
27. How often should portable fire extinguishers be removed from service for maintenance?
A. Monthly
B. Bi-monthly
C. Annually
D. Bi-annually
ANS: C PTS: 1 REF: 358
OBJ: 7.I.5 Identify procedures used for the inspection, care, and maintenance of portable fire extinguishers. NAT: NFPA® 1001, 5.3.16 | NFPA® 1001, 5.5.1
TOP: Firefighter I