TFM02 EXAM FREQUENTLY
ASKED QUESTIONS WITH
VERIFIED SOLUTIONS 100%
CORRECT 2026/2027 STUDY
CLEAN AGENT
ELECTRICALLY NON-CONDUCTING, VOLATILE, OR GASEOUS FIRE EXTINGUISHANT THAT DOES
NOT LEAVE A RESIDUE UPON EVAPORATION.
HIGH-PRESSURE CYLINDER
CONTAINING NITROGEN, COMPRESSED AIR, CARBON DIOXIDE, OR OTHER GASES AT A
PRESSURE HIGHER THAN 500 PSI (3447 KPA) AT 70°F (21°C).
LOW-PRESSURE CYLINDER
CONTAINING FIRE- EXTINGUISHING AGENT (MEDIUM), NITROGEN, COMPRESSED AIR, OR
OTHER COMPRESSED GASES AT A SERVICE PRESSURE OF 500 PSI (3447 KPA) OR LOWER AT
70°F (21°C).
DRY POWDER
SOLID MATERIALS IN POWDER OR GRANULAR FORM DESIGNED TO EXTINGUISH CLASS D
COMBUSTIBLE METAL FIRES BY CRUSTING, SMOTHERING, OR HEAT-TRANSFERRING MEANS.
FLAMMABLE LIQUIDS OF APPRECIABLE DEPTH ARE THOSE WITH A DEPTH GREATER THAN
1/4 IN
WHAT ARE HALOGENATED AGENTS
CLEAN AGENTS
,ACCEPTABLE HALONS?
1211, 1301
EACH FIRE EXTINGUISHER SHALL BE MARKED WITH THE FOLLOWING:
(1) IDENTIFICATION OF THE LISTING AND LABELING ORGANIZATION
(2) PRODUCT CATEGORY INDICATING THE TYPE OF EXTINGUISHER
(3) EXTINGUISHER CLASSIFICATION AS INDICATED IN SECTION 5.3
(4) PERFORMANCE AND FIRE TEST STANDARDS THAT THE EXTINGUISHER MEETS OR EXCEEDS
CLASS D EXTINGUISHING AGENTS HALL COMPLY WITH:
ANSI/UL 711,
CAN/ULC-S508.
EXTINGUISHERSLISTEDFORTHECLASSC RATING SHALL NOT CONTAIN AN AGENT THAT IS A
CONDUCTOR OF ELECTRICITY
OBSOLETE EXTINGUISHERS
(1) SODA ACID
(2) CHEMICAL FOAM (EXCLUDING FILM-FORMING AGENTS)
(3) VAPORIZING LIQUID (E.G., CARBON TETRACHLORIDE)
(4) CARTRIDGE-OPERATED WATER
(5) CARTRIDGE-OPERATED LOADED STREAM
(6) COPPER OR BRASS SHELL (EXCLUDING PUMP TANKS) JOINED BY
SOFT SOLDER OR RIVETS
(7) CARBON DIOXIDE EXTINGUISHERS WITH METAL HORNS
DRY CHEMICAL STORED-PRESSURE EXTINGUISHERS MANUFAC- TURED PRIOR TO OCTOBER
_________ SHALL BE REMOVED FROM SERVICE AT THE NEXT 6-YEAR MAINTENANCE INTERVAL
OR THE NEXT HYDROTEST, WHICHEVER COMES FIRST.
, 1984
CLASS A FIRES
CLASS A FIRES ARE FIRES IN ORDINARY COMBUSTIBLE MATERIALS, SUCH AS WOOD, CLOTH,
PAPER, RUBBER, AND MANY PLASTICS.
CLASS B FIRES
CLASSB FIRES ARE FIRES IN FLAMMABLE LIQUIDS, COMBUSTIBLE LIQUIDS, PETROLEUM
GREASES, TARS, OILS, OIL-BASED PAINTS, SOLVENTS, LACQUERS, ALCOHOLS, AND
FLAMMABLE GASES.
CLASS C FIRES
CLASS C FIRES ARE FIRES THAT INVOLVE ENERGIZED ELECTRICAL EQUIPMENT.
CLASS D FIRES
CLASS D FIRES ARE FIRES IN COMBUSTIBLE METALS, SUCH AS MAGNESIUM, TITANIUM,
ZIRCONIUM, SODIUM, LITHIUM, AND POTASSIUM.
CLASS K FIRES
CLASS K FIRES ARE FIRES IN COOKING APPLIANCES THAT INVOLVE COMBUSTIBLE COOKING
MEDIA (VEGETABLE OR ANIMAL OILS AND FATS).
WHICH SPECIFICATION OF EXTINGUISHERS MUST HAVE A RATING WITH IT
A AND B
WHERE SHOULD HALON BE USED
WHERE A CLEAN AGENT IS NECESSARY WITHOUT DAMAGING THE EQUIPMENT OR AREA
BEING PROTECTED OR
WHERE THE USE OF ALTERNATIVE AGENTS HAS THE POTENTIAL TO CAUSE A HAZARD TO
PERSONNEL IN THE AREA.
ASKED QUESTIONS WITH
VERIFIED SOLUTIONS 100%
CORRECT 2026/2027 STUDY
CLEAN AGENT
ELECTRICALLY NON-CONDUCTING, VOLATILE, OR GASEOUS FIRE EXTINGUISHANT THAT DOES
NOT LEAVE A RESIDUE UPON EVAPORATION.
HIGH-PRESSURE CYLINDER
CONTAINING NITROGEN, COMPRESSED AIR, CARBON DIOXIDE, OR OTHER GASES AT A
PRESSURE HIGHER THAN 500 PSI (3447 KPA) AT 70°F (21°C).
LOW-PRESSURE CYLINDER
CONTAINING FIRE- EXTINGUISHING AGENT (MEDIUM), NITROGEN, COMPRESSED AIR, OR
OTHER COMPRESSED GASES AT A SERVICE PRESSURE OF 500 PSI (3447 KPA) OR LOWER AT
70°F (21°C).
DRY POWDER
SOLID MATERIALS IN POWDER OR GRANULAR FORM DESIGNED TO EXTINGUISH CLASS D
COMBUSTIBLE METAL FIRES BY CRUSTING, SMOTHERING, OR HEAT-TRANSFERRING MEANS.
FLAMMABLE LIQUIDS OF APPRECIABLE DEPTH ARE THOSE WITH A DEPTH GREATER THAN
1/4 IN
WHAT ARE HALOGENATED AGENTS
CLEAN AGENTS
,ACCEPTABLE HALONS?
1211, 1301
EACH FIRE EXTINGUISHER SHALL BE MARKED WITH THE FOLLOWING:
(1) IDENTIFICATION OF THE LISTING AND LABELING ORGANIZATION
(2) PRODUCT CATEGORY INDICATING THE TYPE OF EXTINGUISHER
(3) EXTINGUISHER CLASSIFICATION AS INDICATED IN SECTION 5.3
(4) PERFORMANCE AND FIRE TEST STANDARDS THAT THE EXTINGUISHER MEETS OR EXCEEDS
CLASS D EXTINGUISHING AGENTS HALL COMPLY WITH:
ANSI/UL 711,
CAN/ULC-S508.
EXTINGUISHERSLISTEDFORTHECLASSC RATING SHALL NOT CONTAIN AN AGENT THAT IS A
CONDUCTOR OF ELECTRICITY
OBSOLETE EXTINGUISHERS
(1) SODA ACID
(2) CHEMICAL FOAM (EXCLUDING FILM-FORMING AGENTS)
(3) VAPORIZING LIQUID (E.G., CARBON TETRACHLORIDE)
(4) CARTRIDGE-OPERATED WATER
(5) CARTRIDGE-OPERATED LOADED STREAM
(6) COPPER OR BRASS SHELL (EXCLUDING PUMP TANKS) JOINED BY
SOFT SOLDER OR RIVETS
(7) CARBON DIOXIDE EXTINGUISHERS WITH METAL HORNS
DRY CHEMICAL STORED-PRESSURE EXTINGUISHERS MANUFAC- TURED PRIOR TO OCTOBER
_________ SHALL BE REMOVED FROM SERVICE AT THE NEXT 6-YEAR MAINTENANCE INTERVAL
OR THE NEXT HYDROTEST, WHICHEVER COMES FIRST.
, 1984
CLASS A FIRES
CLASS A FIRES ARE FIRES IN ORDINARY COMBUSTIBLE MATERIALS, SUCH AS WOOD, CLOTH,
PAPER, RUBBER, AND MANY PLASTICS.
CLASS B FIRES
CLASSB FIRES ARE FIRES IN FLAMMABLE LIQUIDS, COMBUSTIBLE LIQUIDS, PETROLEUM
GREASES, TARS, OILS, OIL-BASED PAINTS, SOLVENTS, LACQUERS, ALCOHOLS, AND
FLAMMABLE GASES.
CLASS C FIRES
CLASS C FIRES ARE FIRES THAT INVOLVE ENERGIZED ELECTRICAL EQUIPMENT.
CLASS D FIRES
CLASS D FIRES ARE FIRES IN COMBUSTIBLE METALS, SUCH AS MAGNESIUM, TITANIUM,
ZIRCONIUM, SODIUM, LITHIUM, AND POTASSIUM.
CLASS K FIRES
CLASS K FIRES ARE FIRES IN COOKING APPLIANCES THAT INVOLVE COMBUSTIBLE COOKING
MEDIA (VEGETABLE OR ANIMAL OILS AND FATS).
WHICH SPECIFICATION OF EXTINGUISHERS MUST HAVE A RATING WITH IT
A AND B
WHERE SHOULD HALON BE USED
WHERE A CLEAN AGENT IS NECESSARY WITHOUT DAMAGING THE EQUIPMENT OR AREA
BEING PROTECTED OR
WHERE THE USE OF ALTERNATIVE AGENTS HAS THE POTENTIAL TO CAUSE A HAZARD TO
PERSONNEL IN THE AREA.
