NFPA 10 Fire Extinguisher Technician Mock Test
questions verified with correct answers 2026/2027 version
Primary purpose of fire extinguisher inspection -correct answer >>>The primary purpose
of a fire extinguisher inspection is to ensure the extinguisher is in its designated place.
Components checked during an extinguisher inspection -correct answer >>>During an
extinguisher inspection, the pressure gauge is checked to be in the operable range, the
extinguisher has no signs of physical damage, and the seal is intact and not tampered
with.
Component checked to ensure it is not blocked during a fire extinguisher inspection -
correct answer >>>The handle is checked to ensure it is not blocked during a fire
extinguisher inspection.
Missing tamper seal on a fire extinguisher -correct answer >>>A missing tamper seal on
a fire extinguisher indicates that the extinguisher has been used or tampered with.
Corrective action for a deficiency in a non-rechargeable dry chemical fire extinguisher -
correct answer >>>When an inspection reveals a deficiency in a non-rechargeable dry
chemical fire extinguisher, remove it from service, discharge, and destroy it.
Action if fire extinguisher's tag indicates no inspection in over a year -correct answer
>>>If the fire extinguisher's tag indicates that it has not been inspected in over a year,
perform an inspection immediately.
Frequency of fire extinguisher maintenance -correct answer >>>Fire extinguishers
should be subjected to maintenance annually.
Type of extinguisher requiring a six-year internal examination and maintenance -correct
answer >>>Stored-pressure fire extinguishers that require a 12-year hydrostatic test
require a six-year internal examination and maintenance.
Action if internal maintenance reveals extinguishing agent has caked or solidified -
correct answer >>>If internal maintenance reveals that the extinguishing agent has
caked or solidified, replace the agent and clean the cylinder.
Inspection during internal maintenance in the valve assembly -correct answer
>>>During internal maintenance, any signs of wear or blockage should be inspected in
the valve assembly.
Action if rust or corrosion is found inside a fire extinguisher during internal maintenance
-correct answer >>>If rust or corrosion is found inside a fire extinguisher during internal
maintenance, condemn and replace the extinguisher.
, Check regarding the hose during annual maintenance of a fire extinguisher -correct
answer >>>During the annual maintenance of a fire extinguisher, the flexibility and any
signs of wear or damage on the hose should be checked.
Action if a fire extinguisher is found with a damaged label during annual maintenance -
correct answer >>>If a fire extinguisher is found with a damaged label during annual
maintenance, replace or repair the label immediately.
Importance of checking the date of the last hydrostatic test during annual maintenance -
correct answer >>>Checking the date of the last hydrostatic test during annual
maintenance is important to verify compliance with testing intervals.
Action if pressure gauge needle is outside the green zone during annual maintenance -
correct answer >>>If the pressure gauge needle is outside the green zone during
annual maintenance, recharge or replace the extinguisher.
Action if annual maintenance reveals extinguisher is overcharged -correct answer >>>If
the annual maintenance check reveals that the extinguisher is overcharged, release
some pressure to bring it to the correct level.
Interval between inspections of portable fire extinguishers -correct answer >>>The
maximum interval allowed between inspections of portable fire extinguishers is 31 days.
Immediate corrective action during a fire extinguisher inspection -correct answer
>>>Missing inspection tag requires immediate corrective action during a fire
extinguisher inspection.
Checking fire extinguisher's label during an inspection -correct answer >>>During an
inspection, the fire extinguisher's label should be checked for readability and that it
contains all required information.
Action if fire extinguisher is found missing during an inspection -correct answer >>>If the
fire extinguisher is found missing during an inspection, document the absence and
replace the extinguisher.
Required hydrostatic test interval for nitrogen and carbon dioxide cylinders used with
wheeled extinguishers -correct answer >>>The required hydrostatic test interval for
nitrogen and carbon dioxide cylinders used with wheeled extinguishers is every 5 years.
Test medium used during a hydrostatic test -correct answer >>>During a hydrostatic
test, water or another compatible noncompressible fluid is used as the test medium.
Purpose of hydrostatic testing on portable fire extinguishers -correct answer >>>The
purpose of hydrostatic testing on portable fire extinguishers is to ensure the
extinguisher's cylinder can withstand pressure.
questions verified with correct answers 2026/2027 version
Primary purpose of fire extinguisher inspection -correct answer >>>The primary purpose
of a fire extinguisher inspection is to ensure the extinguisher is in its designated place.
Components checked during an extinguisher inspection -correct answer >>>During an
extinguisher inspection, the pressure gauge is checked to be in the operable range, the
extinguisher has no signs of physical damage, and the seal is intact and not tampered
with.
Component checked to ensure it is not blocked during a fire extinguisher inspection -
correct answer >>>The handle is checked to ensure it is not blocked during a fire
extinguisher inspection.
Missing tamper seal on a fire extinguisher -correct answer >>>A missing tamper seal on
a fire extinguisher indicates that the extinguisher has been used or tampered with.
Corrective action for a deficiency in a non-rechargeable dry chemical fire extinguisher -
correct answer >>>When an inspection reveals a deficiency in a non-rechargeable dry
chemical fire extinguisher, remove it from service, discharge, and destroy it.
Action if fire extinguisher's tag indicates no inspection in over a year -correct answer
>>>If the fire extinguisher's tag indicates that it has not been inspected in over a year,
perform an inspection immediately.
Frequency of fire extinguisher maintenance -correct answer >>>Fire extinguishers
should be subjected to maintenance annually.
Type of extinguisher requiring a six-year internal examination and maintenance -correct
answer >>>Stored-pressure fire extinguishers that require a 12-year hydrostatic test
require a six-year internal examination and maintenance.
Action if internal maintenance reveals extinguishing agent has caked or solidified -
correct answer >>>If internal maintenance reveals that the extinguishing agent has
caked or solidified, replace the agent and clean the cylinder.
Inspection during internal maintenance in the valve assembly -correct answer
>>>During internal maintenance, any signs of wear or blockage should be inspected in
the valve assembly.
Action if rust or corrosion is found inside a fire extinguisher during internal maintenance
-correct answer >>>If rust or corrosion is found inside a fire extinguisher during internal
maintenance, condemn and replace the extinguisher.
, Check regarding the hose during annual maintenance of a fire extinguisher -correct
answer >>>During the annual maintenance of a fire extinguisher, the flexibility and any
signs of wear or damage on the hose should be checked.
Action if a fire extinguisher is found with a damaged label during annual maintenance -
correct answer >>>If a fire extinguisher is found with a damaged label during annual
maintenance, replace or repair the label immediately.
Importance of checking the date of the last hydrostatic test during annual maintenance -
correct answer >>>Checking the date of the last hydrostatic test during annual
maintenance is important to verify compliance with testing intervals.
Action if pressure gauge needle is outside the green zone during annual maintenance -
correct answer >>>If the pressure gauge needle is outside the green zone during
annual maintenance, recharge or replace the extinguisher.
Action if annual maintenance reveals extinguisher is overcharged -correct answer >>>If
the annual maintenance check reveals that the extinguisher is overcharged, release
some pressure to bring it to the correct level.
Interval between inspections of portable fire extinguishers -correct answer >>>The
maximum interval allowed between inspections of portable fire extinguishers is 31 days.
Immediate corrective action during a fire extinguisher inspection -correct answer
>>>Missing inspection tag requires immediate corrective action during a fire
extinguisher inspection.
Checking fire extinguisher's label during an inspection -correct answer >>>During an
inspection, the fire extinguisher's label should be checked for readability and that it
contains all required information.
Action if fire extinguisher is found missing during an inspection -correct answer >>>If the
fire extinguisher is found missing during an inspection, document the absence and
replace the extinguisher.
Required hydrostatic test interval for nitrogen and carbon dioxide cylinders used with
wheeled extinguishers -correct answer >>>The required hydrostatic test interval for
nitrogen and carbon dioxide cylinders used with wheeled extinguishers is every 5 years.
Test medium used during a hydrostatic test -correct answer >>>During a hydrostatic
test, water or another compatible noncompressible fluid is used as the test medium.
Purpose of hydrostatic testing on portable fire extinguishers -correct answer >>>The
purpose of hydrostatic testing on portable fire extinguishers is to ensure the
extinguisher's cylinder can withstand pressure.
