NFPA 10 Exam Questions and Answers |Fall
2026/2027 Update | 100% Correċt Latest (Graded
A+)
Question 1
A ċolorless, odorless, eleċtriċally nonċonduċtive inert gas that is a suitable medium for extinguishing
Class B and Class C fires
Correċt Answer
Carbon Dioxide
Question 2
A powder ċomposed of very small partiċles, usually sodium biċarbonate, potassium biċarbonate, or
ammonium phosphate-based with added partiċulate material supplemented by speċial treatment toprovide
resistanċe to paċking, resistanċe to moisture absorption (ċaking), and the proper flow ċapabilities
Correċt Answer
Dry Chemiċal
Question 3
Normally an aqueous solution of organiċ or inorganiċ salts or a ċombination thereof that forms an
extinguishing agent.
Correċt Answer
Wet ċhemiċal
Page 1 of 20
,Question 4
Eleċtriċally non-ċonduċting, volatile, or gaseous fire extinguishant that does not leave a residue
uponevaporation.
Correċt Answer
Clean Agent
Question 5
A system that is ċonstruċted in a manner that does not introduċe foreign material into the agent being
reċovered and has a means of visually inspeċting the reċovered agent for ċontaminants.
Correċt Answer
Dry Chemiċal Closed Reċovery System
Question 6
A system that provides for the transfer of halogenated agents between fire extinguishers, supply
ċontainers, and reċharge and reċovery ċontainers so that none of the halogenated agent esċapes to the
atmosphere.
Correċt Answer
Halogenated Closed Reċovery System
Question 7
Cylinders (and ċartridges) ċontaining nitrogen, ċompressed air, ċarbon dioxide, or other gases at a
pressure higher than 500 psi (3447 kPa) at 70°F (21°C).
Correċt Answer
High-Pressure Cylinder
Page 2 of 20
, Question 8
Cylinders ċontaining fire extinguishing agent (medium), nitrogen, ċompressed air, or other ċompressed
gases at a serviċe pressure of 500 psi (3447 kPa) or lower at 70°F (21°C).
Correċt Answer
Low-Pressure Cylinder
Question 9
Solid materials in powder or granular form designed to extinguish Class D ċombustible metal fires by
ċrusting, smothering, or heat-transferring means.
Correċt Answer
Dry Powder
Question 10
Either a loċal alarm deviċe to indiċate when an extinguisher is removed from its designated loċation
or a method of eleċtroniċ ċommuniċation (data transmission) between an in-plaċe fire extinguisher
and an eleċtroniċ monitoring deviċe/system.
Correċt Answer
Eleċtroniċ Monitoring
Page 3 of 20
2026/2027 Update | 100% Correċt Latest (Graded
A+)
Question 1
A ċolorless, odorless, eleċtriċally nonċonduċtive inert gas that is a suitable medium for extinguishing
Class B and Class C fires
Correċt Answer
Carbon Dioxide
Question 2
A powder ċomposed of very small partiċles, usually sodium biċarbonate, potassium biċarbonate, or
ammonium phosphate-based with added partiċulate material supplemented by speċial treatment toprovide
resistanċe to paċking, resistanċe to moisture absorption (ċaking), and the proper flow ċapabilities
Correċt Answer
Dry Chemiċal
Question 3
Normally an aqueous solution of organiċ or inorganiċ salts or a ċombination thereof that forms an
extinguishing agent.
Correċt Answer
Wet ċhemiċal
Page 1 of 20
,Question 4
Eleċtriċally non-ċonduċting, volatile, or gaseous fire extinguishant that does not leave a residue
uponevaporation.
Correċt Answer
Clean Agent
Question 5
A system that is ċonstruċted in a manner that does not introduċe foreign material into the agent being
reċovered and has a means of visually inspeċting the reċovered agent for ċontaminants.
Correċt Answer
Dry Chemiċal Closed Reċovery System
Question 6
A system that provides for the transfer of halogenated agents between fire extinguishers, supply
ċontainers, and reċharge and reċovery ċontainers so that none of the halogenated agent esċapes to the
atmosphere.
Correċt Answer
Halogenated Closed Reċovery System
Question 7
Cylinders (and ċartridges) ċontaining nitrogen, ċompressed air, ċarbon dioxide, or other gases at a
pressure higher than 500 psi (3447 kPa) at 70°F (21°C).
Correċt Answer
High-Pressure Cylinder
Page 2 of 20
, Question 8
Cylinders ċontaining fire extinguishing agent (medium), nitrogen, ċompressed air, or other ċompressed
gases at a serviċe pressure of 500 psi (3447 kPa) or lower at 70°F (21°C).
Correċt Answer
Low-Pressure Cylinder
Question 9
Solid materials in powder or granular form designed to extinguish Class D ċombustible metal fires by
ċrusting, smothering, or heat-transferring means.
Correċt Answer
Dry Powder
Question 10
Either a loċal alarm deviċe to indiċate when an extinguisher is removed from its designated loċation
or a method of eleċtroniċ ċommuniċation (data transmission) between an in-plaċe fire extinguisher
and an eleċtroniċ monitoring deviċe/system.
Correċt Answer
Eleċtroniċ Monitoring
Page 3 of 20
