How long should the pressure of a hydro test be held? - ANSWERS-
30 seconds
If using heated air to dry a cylinder after hydrotesting, what is the
maximum temperature of that air? - ANSWERS-150
Pressure shall be applied at a ______ __ ____ such that the test
pressure is reached in 1 minute. - ANSWERS-rate of rise
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?
- ANSWERS-factory test pressure
Cartridge and cylinder operated dry chemical and dry powder types
shall be hydro'd at what test pressure? - ANSWERS-Original 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? - ANSWERS-5/3
, Nitrogen, argon, and carbon dioxide cylinders as well as cartridges for
inert gas storage that are used as expellant for wheeled extinguishers
shall be hydro tested how often? - ANSWERS-Every 5 years unless
DOT or TC requirments are different
Cylinders (except those charged with carbon dioxide) complying with
49 CFR 180.2098(b) shall be permitted to be hydro tested how often?
- ANSWERS-Every 10 years
True or false: Hydro testing shall NOT be performed on FE hose
assemblies that have a shut off nozzle at the end of the hose. -
ANSWERS-False
What pressure should Co2 FE's having clyinder specification ICC3
shall be tested to? - ANSWERS-3000 psi
Low pressure accessory hose used on a wheeled extinguisher shall be
tested at what psi? - ANSWERS-300 psi
True or false: The AHJ can be a building official. - ANSWERS-True
Symbol for a Type A fire? (Trash, wood, paper) (Ordinary
Combustibles) - ANSWERS-Green Triangle
Symbol for a Type B fire? (Flammable liquids) - ANSWERS-Red
Square