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

Every 6 months

Answer

Every 2 years

Answer

Only when visually damaged

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 B

Answer

Class C

Answer

Class D

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

30 feet

Answer

50 feet

Answer

100 feet

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 extinguisher weighs 2 pounds

Answer

It is rated for 2 square feet of coverage

Answer

It requires 2 people to operate

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

Every 6 years from date of manufacture

Answer

Every 6 years from the last hydrostatic test

Answer

Every 6 years from the initial installation date

Question 6

Which type of portable fire extinguisher agent is most appropriate for use on Class D (combustible metal) fires?

Accepted Answer

Dry powder (specific to metal type)

Answer

Dry chemical (ABC)

Answer

Carbon dioxide (CO2)

Answer

Aqueous film-forming foam (AFFF)

Question 7

Under NFPA 10, what minimum height must the handle of a portable fire extinguisher be mounted from the floor when the extinguisher weighs 40 pounds or less?

Accepted Answer

5 feet

Answer

2 feet

Answer

3.5 feet

Answer

6 feet