TEXAS FIRE EXTINGUISHER EXAM 2026-2027
QUESTIONS AND CORRECT ANSWERS GRADED
A+ LATEST
The equipment for hydrostatic testing of high pressure cylinders and cartridges (dot
3series) shall meet the specifications of
Methods of hydrostatic testing of compressed gas cylinders
A hydrostatic test pump, hand or power operated shall be capable of producing not
less than __________ of the test pressure and shall include appropriate check
valves and fittings
150 percent
Dry chemical, stored pressure, with mild steel shells, brazed brass shells, or
aluminum shells
Hydro every 12 years
Dry chemical, stored pressure, cartridge or cylinder operated with mild steel shells
need to be inspected how often??
,12 yr intervals everything else is 5yr
How often do dry chemicals with stainless steel shells need to be inspected
Every 5 years
If, at any time, a fire extinguisher shows evidence of
___________________________ to the extent as to indicate weakness, it shall be
condemned or hydrostati- cally retested
dents,
mechanical injury,
or corrosion
The pressure in a hydrostatic test of a cylinder shall be maintained for a minimum
of __________ seconds
30
Test pressure gauges shall be capable of being read within ___% of test pressure
90-110
, Pressure gauges used on test equipment shall be calibrated at least
Semi-annually
The temp used for drying hydro equipment shall not exceed _________ degrees
inside the shell
150 degrees
All valves, internal parts, and hose assemblies shall be removed, and the fire
extinguisher shall be emptied before testing, clear of any extinguishing agent. true
or false?
True
All tests shall be conducted using test fittings and adapters. true or false?
True
What shall be cause for rejection or retest?
drop in pressure of test gauge indicating a leak
QUESTIONS AND CORRECT ANSWERS GRADED
A+ LATEST
The equipment for hydrostatic testing of high pressure cylinders and cartridges (dot
3series) shall meet the specifications of
Methods of hydrostatic testing of compressed gas cylinders
A hydrostatic test pump, hand or power operated shall be capable of producing not
less than __________ of the test pressure and shall include appropriate check
valves and fittings
150 percent
Dry chemical, stored pressure, with mild steel shells, brazed brass shells, or
aluminum shells
Hydro every 12 years
Dry chemical, stored pressure, cartridge or cylinder operated with mild steel shells
need to be inspected how often??
,12 yr intervals everything else is 5yr
How often do dry chemicals with stainless steel shells need to be inspected
Every 5 years
If, at any time, a fire extinguisher shows evidence of
___________________________ to the extent as to indicate weakness, it shall be
condemned or hydrostati- cally retested
dents,
mechanical injury,
or corrosion
The pressure in a hydrostatic test of a cylinder shall be maintained for a minimum
of __________ seconds
30
Test pressure gauges shall be capable of being read within ___% of test pressure
90-110
, Pressure gauges used on test equipment shall be calibrated at least
Semi-annually
The temp used for drying hydro equipment shall not exceed _________ degrees
inside the shell
150 degrees
All valves, internal parts, and hose assemblies shall be removed, and the fire
extinguisher shall be emptied before testing, clear of any extinguishing agent. true
or false?
True
All tests shall be conducted using test fittings and adapters. true or false?
True
What shall be cause for rejection or retest?
drop in pressure of test gauge indicating a leak
