FEX Seattle Study guide Questions And Answers Rated A+ New Update Assured Satisfaction
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FEX Seattle
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FEX Seattle
The four methods for filling liquid agent shall be determined using these to prevent overfilling -
Exact measurement by weight or volume, anti-overfill tube, fill mark on side of extinguisher
For low pressure cylinders, if pressure is not specified on nameplate, what shall they be test to, but to...
FEX Seattle Study guide
The four methods for filling liquid agent shall be determined using these to prevent overfilling -
Exact measurement by weight or volume, anti-overfill tube, fill mark on side of extinguisher
For low pressure cylinders, if pressure is not specified on nameplate, what shall they be test to, but to to
exceed three time service pressure? - factory test pressure
DOT 3A, 3AA, or 3AL cylinders used as carbon dioxide extinguishers, OR nitrogen cylinders, argon
cylinders, or carbon dioxide cylinders used with wheeled extinguishers shall be tested to what fraction of
the service pressure, when on the topic of high pressure cylinders? - 5/3
All cylinders and apparatuses, except water based, need to have what happen after testing? -
Thoroughly dried
At what temperature should extinguishers having aluminum cylinders or shells suspected of being
exposed to this temperature be removed from service and hydrotested? - >350F
Cartridge and cylinder operated dry chemical and dry powder types shall be hydro'd at what test
pressure? - Original factory test pressure
Class D hazard fire extinguisher travel distance? - 75 ft
Class K hazard maximum travel distance? - 30 ft
Cylinders (except those charged with carbon dioxide) complying with 49 CFR 180.2098(b) shall be
permitted to be hydro tested how often? - Every 10 years
Cylinders & cartridge bearing what two symbols are regulated to their own regulations - DOT and
TC
, Extinguishers manufactured prior to what date are not required to have as strict of labeling standards?
(Labeling code 4.1.2) - 1/1/1986
Extinguishers shall be located along normal paths of travel, INCLUDING exits. True or False? - True
FE's weighing less than 40lb should be installed so that the top of device is no more than how far from
the ground? - 5 ft
Fire extinguishers shall not be further than how many feet away from flammable liquids of appreciable
depth? - 50 ft
General labeling types for water based extinguishers - ANSI/UL626 and CAN/ULC-S507
How long should the pressure of a hydro test be held? - 30 seconds
How often are Co2 hoses supposed to be conductivity tested? - Yearly
How often do master gauges or dead weight testers be calibrated? - Annually
How often will pump tank water and pump tank calcium-chloride based antifreeze types of fire
extinguishers be recharged with new chemicals or water as applicable? - 12 months
How often will the premixed agent in liquid charge type AFFF and FFFP fire extinguishers shall be
replaced how often? - Every 3 years
If a conductivity test on a Co2 hose fails, what occurs? - Replacement
If using heated air to dry a cylinder after hydrotesting, what is the maximum temperature of that air? -
150
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