FIRE EXTINGUISHER SAFETY EXAM 2025 , 200 QUESTIONS
WITH VERIFIED CORRECT ANSWERS
1. Which extinguisher must be weighed on a scale to determine if
fully charged?
CO2
dry chemical
foam
water
2. Explain why three-dimensional fires are considered more complex
than two-dimensional fires.
They only involve solid materials.
They can spread in multiple directions and involve
moving flammable liquids.
They are easier to extinguish due to their nature.
They do not require any special training to manage.
3. If a facility requires a 4-A rated fire extinguisher for its storage area,
which of the following scenarios would be appropriate for
compliance with
safety regulations?
Using a 2 1/2 gallon extinguisher with a 2-A rating.
Using a 4-A rated extinguisher that is inspected and maintained
regularly.
Using a 1-A rated extinguisher and placing it near the exit.
Using a 4-A rated extinguisher that has not been inspected in over a
year.
4. In a manufacturing facility, if the layout changes and the distance from
,the farthest workstation to the nearest Class B fire extinguisher is now 60
ft.,
,what action should be taken to comply with OSHA regulations?
Leave the extinguisher as is since it is still within a safe distance.
Relocate the extinguisher closer to the workstation.
Increase the number of extinguishers to cover the distance.
Remove the extinguisher and rely on fire alarms.
5. What does a fire extinguisher rated 4-A: 20-B:C indicate about its
effectiveness against different types of fires?
It is effective against Class A fires only. It
is effective against Class B fires only.
It is effective against Class A, B, and C fires.
It is effective against Class C fires only.
6. What is the required hydrostatic testing interval for cartridge
operated water-based portable extinguishers?
Every year
Every 2 years
Every 5 years
Every 10 years
7. According to NFPA 10, water-based extinguishers should be hydrostatically
tested every___years.
5
10
15
20
, 8. What must be checked before reusing dry chemical from a discharged
fire extinguisher?
The color of the
chemical The
manufacturer's label
Proper type, contamination, and condition
The expiration date
9. A commercial building has a total floor area of 10,000 square feet, and
each Class A fire extinguisher can protect a maximum area of 2,500 square
feet. How many Class A fire extinguishers are required for proper
installation?
2 extinguishers
3 extinguishers
4 extinguishers
5 extinguishers
10. How long shall pressure be maintained in hydrostatic test of the cylinder?
at least 30 seconds
at least 1 minute
at least 2
minutes
at least 45 seconds
11. What should be verified to determine the amount of recharge agent to use
when recharging a fire extinguisher?
The manufacturer's specifications
The extinguisher's color
The age of the extinguisher
WITH VERIFIED CORRECT ANSWERS
1. Which extinguisher must be weighed on a scale to determine if
fully charged?
CO2
dry chemical
foam
water
2. Explain why three-dimensional fires are considered more complex
than two-dimensional fires.
They only involve solid materials.
They can spread in multiple directions and involve
moving flammable liquids.
They are easier to extinguish due to their nature.
They do not require any special training to manage.
3. If a facility requires a 4-A rated fire extinguisher for its storage area,
which of the following scenarios would be appropriate for
compliance with
safety regulations?
Using a 2 1/2 gallon extinguisher with a 2-A rating.
Using a 4-A rated extinguisher that is inspected and maintained
regularly.
Using a 1-A rated extinguisher and placing it near the exit.
Using a 4-A rated extinguisher that has not been inspected in over a
year.
4. In a manufacturing facility, if the layout changes and the distance from
,the farthest workstation to the nearest Class B fire extinguisher is now 60
ft.,
,what action should be taken to comply with OSHA regulations?
Leave the extinguisher as is since it is still within a safe distance.
Relocate the extinguisher closer to the workstation.
Increase the number of extinguishers to cover the distance.
Remove the extinguisher and rely on fire alarms.
5. What does a fire extinguisher rated 4-A: 20-B:C indicate about its
effectiveness against different types of fires?
It is effective against Class A fires only. It
is effective against Class B fires only.
It is effective against Class A, B, and C fires.
It is effective against Class C fires only.
6. What is the required hydrostatic testing interval for cartridge
operated water-based portable extinguishers?
Every year
Every 2 years
Every 5 years
Every 10 years
7. According to NFPA 10, water-based extinguishers should be hydrostatically
tested every___years.
5
10
15
20
, 8. What must be checked before reusing dry chemical from a discharged
fire extinguisher?
The color of the
chemical The
manufacturer's label
Proper type, contamination, and condition
The expiration date
9. A commercial building has a total floor area of 10,000 square feet, and
each Class A fire extinguisher can protect a maximum area of 2,500 square
feet. How many Class A fire extinguishers are required for proper
installation?
2 extinguishers
3 extinguishers
4 extinguishers
5 extinguishers
10. How long shall pressure be maintained in hydrostatic test of the cylinder?
at least 30 seconds
at least 1 minute
at least 2
minutes
at least 45 seconds
11. What should be verified to determine the amount of recharge agent to use
when recharging a fire extinguisher?
The manufacturer's specifications
The extinguisher's color
The age of the extinguisher
