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Clean Agent - correct answers ✅Electrically non-
conducting, volatile, or gaseous fire extinguishant
that does not leave a residue upon evaporation.
High-Pressure Cylinder - correct 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 - correct 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 - correct answers ✅Solid materials in
powder or granular form designed to extinguish
CLASS D combustible metal fires by crusting,
smothering, or heat-transferring means.
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Flammable Liquids of Appreciable Depth are those
with a depth greater than - correct answers ✅1/4
in
What are halogenated agents - correct answers
✅clean agents
acceptable halons? - correct answers ✅1211, 1301
Each fire extinguisher shall be marked with the
following: - correct 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
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Class D extinguishing agents hall comply with: -
correct answers ✅ANSI/UL 711,
CAN/ULC-S508.
Extinguishers listed for the Class C rating shall not
contain an agent that is a - correct answers
✅conductor of electricity
Obsolete extinguishers - correct 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
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