TFM02 EXAM QUESTIONS AND ANSWERS
Clean Agent - Answers- Electrically non-conducting, volatile, or gaseous fire
extinguishant that does not leave a residue upon evaporation.
High-Pressure Cylinder - Answers- 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 - Answers- 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 - Answers- 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 -
Answers- 1/4 in
What are halogenated agents - Answers- clean agents
acceptable halons? - Answers- 1211, 1301
Each fire extinguisher shall be marked with the following: - Answers- (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: - Answers- ANSI/UL 711,
CAN/ULC-S508.
ExtinguisherslistedfortheClassC rating shall not contain an agent that is a - Answers-
conductor of electricity
Obsolete extinguishers - Answers- (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. - Answers- 1984
Class A Fires - Answers- Class A fires are fires in ordinary combustible materials, such
as wood, cloth, paper, rubber, and many plastics.
Class B Fires - Answers- 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 - Answers- Class C fires are fires that involve energized ELECTRICAL
equipment.
Class D Fires - Answers- Class D fires are fires in combustible METALS, such as
magnesium, titanium, zirconium, sodium, lithium, and potassium.
Class K Fires - Answers- 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 - Answers- A and B
Where should halon be used - Answers- 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.
Wheeled fire extinguishers shall be used where: - Answers- High hazard areas present
Limited personnel present
Wheeled extinguishers must have a: - Answers- (a)High agent flow rate
(b) Increased agent stream range
(c) Increased agent capacity
Light Hazard means - Answers- Class A combustibles and Class B flammables are low
and fires with relatively low rates of heat release are expected.
Normal amount of class A there and only ~ 1 gal of class B
Ordinary Hazard - Answers- Class A combustible materials beyond normal anticipated
furnishings,
and/or the total quantity of Class B flammables typically expected to be present is from
1 gal to 5 gal (3.8 L to 18.9 L) in any room or area.
Clean Agent - Answers- Electrically non-conducting, volatile, or gaseous fire
extinguishant that does not leave a residue upon evaporation.
High-Pressure Cylinder - Answers- 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 - Answers- 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 - Answers- 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 -
Answers- 1/4 in
What are halogenated agents - Answers- clean agents
acceptable halons? - Answers- 1211, 1301
Each fire extinguisher shall be marked with the following: - Answers- (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: - Answers- ANSI/UL 711,
CAN/ULC-S508.
ExtinguisherslistedfortheClassC rating shall not contain an agent that is a - Answers-
conductor of electricity
Obsolete extinguishers - Answers- (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. - Answers- 1984
Class A Fires - Answers- Class A fires are fires in ordinary combustible materials, such
as wood, cloth, paper, rubber, and many plastics.
Class B Fires - Answers- 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 - Answers- Class C fires are fires that involve energized ELECTRICAL
equipment.
Class D Fires - Answers- Class D fires are fires in combustible METALS, such as
magnesium, titanium, zirconium, sodium, lithium, and potassium.
Class K Fires - Answers- 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 - Answers- A and B
Where should halon be used - Answers- 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.
Wheeled fire extinguishers shall be used where: - Answers- High hazard areas present
Limited personnel present
Wheeled extinguishers must have a: - Answers- (a)High agent flow rate
(b) Increased agent stream range
(c) Increased agent capacity
Light Hazard means - Answers- Class A combustibles and Class B flammables are low
and fires with relatively low rates of heat release are expected.
Normal amount of class A there and only ~ 1 gal of class B
Ordinary Hazard - Answers- Class A combustible materials beyond normal anticipated
furnishings,
and/or the total quantity of Class B flammables typically expected to be present is from
1 gal to 5 gal (3.8 L to 18.9 L) in any room or area.
