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1. Basically, there are ____ types of foam fire extinguishing systems. -
correct answer - 5
2. A foam fire-extinguishing system must have an adequate water supply,
foam concentrate supply, piping system, ________ and form discharge
devices. - correct answer - proportioning equipment
3. Where topside application of foam may not be effective because of wind
or heavy fire conditions, a ______ may be used. - correct answer -
subsurface injection system
4. High expansion foam is designed for local application or total flooding in
_____ applications. - correct answer - commercial and industrial
5. A device that introduces the correct amount of foam concentrate into the
water stream to make the foam solution is a(n): - correct answer - foam
proportioners
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6. Which of the following is not necessary to produce a high-quality fire
fighting foam? - correct answer - fog nozzle
7. Halon ____ is more commonly found in fixed fire extinguishing systems
for total flooding application. - correct answer - 1301
8. Using a foam proportioner that is not _______ and matched with the
foam distributor nozzle or sprinkler can result in unsatisfactory quality
foam or no finished foam. - correct answer - hydraulically engineered
9. Finished foam is ____ percent water. - correct answer - 94 to 99.5
10. A fluorinated surfactant added to detergent foam that causes water to
drain from the foam blanket and float on top of hydrocarbon fuel spills is
called a(n): - correct answer - aqueous film
11. Which of the following is a synthetic based foam; when applied to
polar solvent fuels, creates a membrane rather than a film over the fuel?
- correct answer - AR-AFFF
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12. Which of the following is not a foam proportioner commonly used for
fixed systems? - correct answer - pressure bypass system proportioner
13. A coupled water motor-pump proportioner consists of two positive
displacement _____ pumps that are mounted on a common shaft. -
correct answer - rotary gear
14. A _____ supplies water and foam at the same pressure to ensure the
creation of high-quality foam. - correct answer - balanced foam
proportioner
15. Around the pump proportioners have a bypass line "around the
pump" that is responsible for adding _____ to the discharge stream. -
correct answer - foam concentrate
16. Inspection, service and testing of foam fire-extinguishing systems
shall meet the requirement outline in NFPA: - correct answer - 25
17. Individual hazards involving flammable liquids with depth are often
protected by: - correct answer - fixed extinguishing systems
18. Which of the following are part of a means of egress?
a) exit access, exit, and exit discharge
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b) exit, exit access, and enclosed hallway
c) exit discharge, passage way, and ramp
d) escalator, fire escape, and stairs - correct answer - a
19. When panic hardware is required, occupants should be able to open
the door by applying a force of not more than ____ pounds. - correct
answer - 15
20. When illumination of exits is required, it must be continuous during
occupancy and floors must be illuminated at not less than 1 foot candle
measure at the: - correct answer - floor
21. When two or more exits is required, they shall be located: - correct
answer - remote from each other
22. The rating required for a fire door in an exit stairway is determined by
all of the following except the: - correct answer - occupant load
23. When determining the capacity of an exit, it is necessary to compute
the exit _____ for each of the three components for a means of egress,
the exit access, _____ and the exit discharge. The ____ of the ____
components is the total capacity of the exit.
1. capacity 4. access