CFI Portable Fire Extinguishers & Suppression Equipment

Question 1

According to NFPA 10, how often must portable fire extinguishers receive an annual maintenance inspection?

Accepted Answer

Once per year

Answer

NFPA 10 requires a thorough annual maintenance inspection of all portable fire extinguishers to verify they are fully charged and operable.

Question 2

Which class of fire extinguisher is specifically designed for use on cooking oil and grease fires in commercial kitchens?

Accepted Answer

Class K

Answer

Class K extinguishers use a wet chemical agent designed specifically for high-temperature cooking oil and animal/vegetable fat fires found in commercial kitchens.

Question 3

What is the maximum travel distance to a Class B fire extinguisher in an area with a low-hazard flammable liquid occupancy?

Accepted Answer

75 feet

Answer

NFPA 10 specifies a maximum travel distance of 75 feet to a Class B extinguisher for low-hazard flammable liquid areas.

Question 4

A fire extinguisher labeled '2-A:10-B:C' — what does the '2-A' rating indicate?

Accepted Answer

It can extinguish twice the fire as a 1-A unit

Answer

The numerical prefix in Class A ratings is a relative effectiveness rating, where 2-A extinguishes twice the fire area compared to a 1-A rated extinguisher.

Question 5

According to NFPA 10, when must a dry chemical extinguisher receive a 6-year internal examination?

Accepted Answer

Every 6 years from the date of the last internal examination

Answer

NFPA 10 requires dry chemical extinguishers to undergo internal examination every 6 years from the date of the last internal examination or hydrostatic test.

(CFI) Certified Fire Inspector Practice Test

(CFI) Certified Fire Inspector Practice Test

CFI Portable Fire Extinguishers & Suppression Equipment