NFPA 10 Portable Fire Extinguishers Test Questions and
Answers |Fall 2026/2027 Update | 100% Correct Latest
(Graded A+)
Question 1
What is important requirement for a class C rated extinguisher?
Correct Answer
Should not conduct electricity
Question 2
Cylinders or Cartridges containing nitrogen, compress air, carbon dioxide, or other gases at a presser higher than 500 psi at
70 Degrees
Correct Answer
High-Pressure Cylinder
Question 3
AFFF extinguishers do not work well for fires in Class ____ or Class___ fuels
Correct Answer
C;D
Page 1 of 18
,Question 4
Aqueous film foaming foam extinguishers are suitable for use on Class ___ and Class ___ fires.
Correct Answer
A;B
Question 5
If an extinguisher is found to be deficient in weight by ___% it should be removed from service and replaced
Correct Answer
10%
Question 6
Which extinguishers are most commonly used for highly sensitive computer equipment Halon ;
Correct Answer
Carbon Dioxide
Question 7
Dry chemical extinguishers are rated for what class fire?
Correct Answer
Class B & C
Page 2 of 18
, Question 8
Carbon Dioxide / Definition
Correct Answer
A Colorless, Odorless, Electrically non- conductive inert gas that is a suitable medium for extinguishing class B &C Fires
Question 9
What is the color rating of a D Class fire extinguisher?
Correct Answer
Yellow
Question 10
What type of cartridge should an extinguisher have where freezing is possible?
Correct Answer
Nitrogen Cartridge
Question 11
NFPA 10 Liquefied Petroleum Gas Code. True or False?
Correct Answer
True
Page 3 of 18
Answers |Fall 2026/2027 Update | 100% Correct Latest
(Graded A+)
Question 1
What is important requirement for a class C rated extinguisher?
Correct Answer
Should not conduct electricity
Question 2
Cylinders or Cartridges containing nitrogen, compress air, carbon dioxide, or other gases at a presser higher than 500 psi at
70 Degrees
Correct Answer
High-Pressure Cylinder
Question 3
AFFF extinguishers do not work well for fires in Class ____ or Class___ fuels
Correct Answer
C;D
Page 1 of 18
,Question 4
Aqueous film foaming foam extinguishers are suitable for use on Class ___ and Class ___ fires.
Correct Answer
A;B
Question 5
If an extinguisher is found to be deficient in weight by ___% it should be removed from service and replaced
Correct Answer
10%
Question 6
Which extinguishers are most commonly used for highly sensitive computer equipment Halon ;
Correct Answer
Carbon Dioxide
Question 7
Dry chemical extinguishers are rated for what class fire?
Correct Answer
Class B & C
Page 2 of 18
, Question 8
Carbon Dioxide / Definition
Correct Answer
A Colorless, Odorless, Electrically non- conductive inert gas that is a suitable medium for extinguishing class B &C Fires
Question 9
What is the color rating of a D Class fire extinguisher?
Correct Answer
Yellow
Question 10
What type of cartridge should an extinguisher have where freezing is possible?
Correct Answer
Nitrogen Cartridge
Question 11
NFPA 10 Liquefied Petroleum Gas Code. True or False?
Correct Answer
True
Page 3 of 18