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TFM02 Notes Questions and Correct Answers/ Latest
Update / Already Graded
What type of extinguisher would you use on a wood pallet fire?
Ans: Class A (A:@ 5.2.1)
What class of extinguisher is safe for use on electrical equipment?
Ans: Class C (A:@ 5.2.3)
What type of extinguisher would be used on a fire involving solvents and
flammable gases?
Ans: Class B (A:@ 5.2.2)
What is the maximum travel distance to an extinguisher for Class B?
Ans: 30 feet or 75 feet, depending on the occupancy hazard
How many AFFF or FFFP extinguishers of what capacity shall be used to fulfill
extra hazard requirements?
Ans: 3 extinguishers, of 1.6 gallon capacity (6.3.1.1.2)
Two AFFF or FFFP fire extinguishers of at least what capacity shall be permitted
to be used to fulfill ordinary hazard requirements?
Ans: 1.6 gallons (6 liters) (6.3.1.1.3)
What is the maximum travel distance of Class K extinguishers from the hazard?
Ans: 30 feet (6.6.2)
© 2025/ 2026 | ® All rights reserved
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How often shall pump tank water and pump tank calcium chloride-based
antifreeze types of fire extinguishers be recharged with new chemicals or water,
as applicable?
Ans: 12 months (7.8.2.1)
Wetting agent shall be replaced how often in stored-pressure extinguishers?
Ans: 12 months (7.8.2.2)
Oil content shall not exceed what?
Ans: 10 ppm by weight (7.8.3.9.3)
If you are recharging a extinguisher to a service pressure of 175psi, what is the
maximum psi the regulator on the charging cylinder can be set to?
Ans: Regulator should be set no more than 25psi above operating pressure.
(A:@ 7.8.4.5.2)
Only standard industrial-grade nitrogen with a maximum dew point of what
temperature, in accordance with CGA G-10.1, Commodity Specification for
Nitrogen, shall be used to pressurize stored-pressure dry chemical and
halogenated-type fire extinguishers that use nitrogen as a propellant?
Ans: -60°F (7.8.4.1)
How often do the gauges used to set the regulated source of pressure need to be
calibrated?
Ans: At least annually. (A:@ 7.8.4.5.3)
What is the hydrostatic test interval for carbon dioxide type extinguisher?
© 2025/ 2026 | ® All rights reserved
TFM02 Notes Questions and Correct Answers/ Latest
Update / Already Graded
What type of extinguisher would you use on a wood pallet fire?
Ans: Class A (A:@ 5.2.1)
What class of extinguisher is safe for use on electrical equipment?
Ans: Class C (A:@ 5.2.3)
What type of extinguisher would be used on a fire involving solvents and
flammable gases?
Ans: Class B (A:@ 5.2.2)
What is the maximum travel distance to an extinguisher for Class B?
Ans: 30 feet or 75 feet, depending on the occupancy hazard
How many AFFF or FFFP extinguishers of what capacity shall be used to fulfill
extra hazard requirements?
Ans: 3 extinguishers, of 1.6 gallon capacity (6.3.1.1.2)
Two AFFF or FFFP fire extinguishers of at least what capacity shall be permitted
to be used to fulfill ordinary hazard requirements?
Ans: 1.6 gallons (6 liters) (6.3.1.1.3)
What is the maximum travel distance of Class K extinguishers from the hazard?
Ans: 30 feet (6.6.2)
© 2025/ 2026 | ® All rights reserved
, 2 | Page
How often shall pump tank water and pump tank calcium chloride-based
antifreeze types of fire extinguishers be recharged with new chemicals or water,
as applicable?
Ans: 12 months (7.8.2.1)
Wetting agent shall be replaced how often in stored-pressure extinguishers?
Ans: 12 months (7.8.2.2)
Oil content shall not exceed what?
Ans: 10 ppm by weight (7.8.3.9.3)
If you are recharging a extinguisher to a service pressure of 175psi, what is the
maximum psi the regulator on the charging cylinder can be set to?
Ans: Regulator should be set no more than 25psi above operating pressure.
(A:@ 7.8.4.5.2)
Only standard industrial-grade nitrogen with a maximum dew point of what
temperature, in accordance with CGA G-10.1, Commodity Specification for
Nitrogen, shall be used to pressurize stored-pressure dry chemical and
halogenated-type fire extinguishers that use nitrogen as a propellant?
Ans: -60°F (7.8.4.1)
How often do the gauges used to set the regulated source of pressure need to be
calibrated?
Ans: At least annually. (A:@ 7.8.4.5.3)
What is the hydrostatic test interval for carbon dioxide type extinguisher?
© 2025/ 2026 | ® All rights reserved
