NFPA 10 EXAM WITH CORRECT QUESTIONS WITH CORRECTRY ANALYZED ANSWERS (ACTUAL EXAM) ALREADY GRADED A+ LATEST 2024 – 2025

NFPA 10 EXAM WITH CORRECT
QUESTIONS WITH CORRECTRY ANALYZED
ANSWERS (ACTUAL EXAM) ALREADY
GRADED A+ LATEST 2024 – 2025




Extinguishers for pressurized flammable liquids and pressurized ___ fires. Large
capacity dry chemical extinguishers of 10 pound or greater and a discharge rate of
___ per second or more shall be used to protect class B fire. - ANSWERS-GAS, 1
POUND



___ dimensional fires. Large capacity dry chemical extinguishers of ___ pounds or
greater and having a discharge rate of 1 pound per second or more shall be used
to protect class B fire. - ANSWERS-THREE, 10

,Pressure ___ used as fire extinguishers and specified components of fire
extinguishers shall be hydrostatically tested in accordance with this chapter. -
ANSWERS-VESSELS



What is a RIN? - ANSWERS-Requalification identification number



Master gauges or deadweight testers shall be calibrated at least ___. - ANSWERS-
ANNUALLY



The temperature for drying shall not exceed ___. - ANSWERS-150F



Cylinders and hose assemblies shall be tested within a protective cage device or
placed behind a protective shield that permits ___ observation while under
pressure for leaks bulges and other harmful defects. - ANSWERS-VISUAL



A hydrostatic test pump, hand- or power-operated, shall be capable of producing
not less than ___ percent of the test pressure and shall include appropriate check
valves and fittings. - ANSWERS-150



A ___ connection between the test pump and the test cylinder shall be provided
so that it is possible to test through the cylinder opening, test bonnet, hose
outlet, or nozzle, as applicable. - ANSWERS-FLEXIBLE



Hydrostatic test intervals (WETTING agent). - ANSWERS-5 years

,Hydrostatic test intervals (dry chemical with stainless steel shells). - ANSWERS-5
years



Hydrostatic test intervals (carbon dioxide). - ANSWERS-5 years



Hydrostatic test intervals (dry chemical cartridge or cylinder operated with mild
steel shells). - ANSWERS-12 years



Hydrostatic testing intervals (Dry chemical, stored-pressure, with mild steel shells,
brazed brass shells, or

aluminum shells). - ANSWERS-12 years



The hydrostatic retest shall be conducted within the ___ of the specified test
interval. - ANSWERS-CALENDAR YEAR



Nitrogen cylinders, argon cylinders, carbon dioxide cylinders or cartridges used for
inert gas storage that are used as expellants for wheeled fire extinguishers and
carbon dioxide extinguishers shall be hydrostatically tested every? - ANSWERS-5
YEARS



Test pressure gauges shall be certified accurate to ___ percent or better of the full
range of the gauge. - ANSWERS-+/- .5



Test pressure gauges shall be capable of indicating ___ percent of the test
pressure. - ANSWERS-90-110

, Pressure gauges used on TEST EQUIPMENT shall be calibrated at least ___. -
ANSWERS-SEMI-ANNUALLY



Cylinders except those charged with carbon dioxide complying with 49 CFR
180.209B shall be permitted to be hydrostatically tested every ___ in lieu of the
requirements. - ANSWERS-10 YEARS



Nitrogen cartridges, argon cartridges and carbon dioxide cartridges used as
expellants for hand portable fire extinguishers that have ___ or ___ markings shall
be hydrostatic test and replaced. - ANSWERS-DOT or TC



DOT 3E cartridges or TC 3EM cartridges shall be ___. - ANSWERS-exempt from
periodic testing



A ___ test shall be performed on fire extinguisher hose assemblies equipped with
a ___ nozzle at the end of the hose. - ANSWERS-HYDROSTATIC, SHUTOFF



High pressure and low pressure accessory hose other than agent discharge hose
used on wheeled extinguishers shall be ___ tested. - ANSWERS-
HYDROSTATICALLY



If, at any time, a fire extinguisher shows evidence of dents, mechanical injury, or
corrosion to the extent as to indicate weakness, it shall be ___ or ___ retested. -
ANSWERS-Condemned, hydrostatically