NFPA 10 Portable Fire Extinguisher Test Questions and
Answers |Fall 2026/2027 Update | 100% Correct Latest
(Graded A+)
Question 1
You enter a room with an unplugged computer, what type of extinguisher should you use?
A. clean agent
B. Class D
C. ABC Multi-purpose Dry Chemical
D. Purple K
Correct Answer
C
Question 2
A dentist office with 16 liters of alcohol is classified as what type of hazard?
A. Low
B. Moderate
C. Extra High
Correct Answer
B
Page 1 of 56
,Question 3
What is the first step that should be performed after recharging and extinguisher?
A. Replace discharge hose
B. Leak Test
C. Visual inspection of the cylinder
Correct Answer
B
Question 4
If an extinguisher is found to have the wrong discharge hose and agent what is the proper action?
Correct Answer
Discharge and discard the agent, go through recharging process with new agent, replace with correct hose
Question 5
What is the approved size of a six year label?
A. 1"X4"
B. 1"X5.5"
C. 2"X3.5"
D. 3"X4"
Correct Answer
C
Page 2 of 56
,Question 6
Carbon Dioxide extinguishers having ICC3 shall be tested at what pressure?
A. 1500
B. 3000
C. 1000
D. 585
Correct Answer
B
Question 7
Nitrogen with a dew point of _____ or lower shall be used to pressurize dry chemical extinguishers.
A. -40
B. -50
C. -60
D. 0
Correct Answer
C
Question 8
Compressed air can be used when?
Correct Answer
When delivering air with a dew point of -60 at all times.
Page 3 of 56
, Question 9
What type of personal protective equipment should be worn when rolling boulders are present?
A. Gloves
B. Safety Glasses
C. Steel Toe Boots
D. Hard Hat
Correct Answer
C
Question 10
When installing a NEW extinguisher ensure it is?
A. labeled
B. UL Listed
C. Mounted
D. Tagged
Correct Answer
B
Page 4 of 56
Answers |Fall 2026/2027 Update | 100% Correct Latest
(Graded A+)
Question 1
You enter a room with an unplugged computer, what type of extinguisher should you use?
A. clean agent
B. Class D
C. ABC Multi-purpose Dry Chemical
D. Purple K
Correct Answer
C
Question 2
A dentist office with 16 liters of alcohol is classified as what type of hazard?
A. Low
B. Moderate
C. Extra High
Correct Answer
B
Page 1 of 56
,Question 3
What is the first step that should be performed after recharging and extinguisher?
A. Replace discharge hose
B. Leak Test
C. Visual inspection of the cylinder
Correct Answer
B
Question 4
If an extinguisher is found to have the wrong discharge hose and agent what is the proper action?
Correct Answer
Discharge and discard the agent, go through recharging process with new agent, replace with correct hose
Question 5
What is the approved size of a six year label?
A. 1"X4"
B. 1"X5.5"
C. 2"X3.5"
D. 3"X4"
Correct Answer
C
Page 2 of 56
,Question 6
Carbon Dioxide extinguishers having ICC3 shall be tested at what pressure?
A. 1500
B. 3000
C. 1000
D. 585
Correct Answer
B
Question 7
Nitrogen with a dew point of _____ or lower shall be used to pressurize dry chemical extinguishers.
A. -40
B. -50
C. -60
D. 0
Correct Answer
C
Question 8
Compressed air can be used when?
Correct Answer
When delivering air with a dew point of -60 at all times.
Page 3 of 56
, Question 9
What type of personal protective equipment should be worn when rolling boulders are present?
A. Gloves
B. Safety Glasses
C. Steel Toe Boots
D. Hard Hat
Correct Answer
C
Question 10
When installing a NEW extinguisher ensure it is?
A. labeled
B. UL Listed
C. Mounted
D. Tagged
Correct Answer
B
Page 4 of 56
