CFI Sprinkler System Requirements 2

Question 1

What is the maximum distance allowed between sprinkler heads in a light hazard occupancy under NFPA 13?

Accepted Answer

15 feet

Answer

NFPA 13 allows a maximum of 15 feet between sprinkler heads in light hazard occupancies.

Question 2

Which type of sprinkler system uses air pressure to hold water back from the piping until a head activates?

Accepted Answer

Dry pipe system

Answer

A dry pipe system uses pressurized air or nitrogen to keep the valve closed until a sprinkler opens, allowing water to flow.

Question 3

According to NFPA 13, what minimum clearance must be maintained between the top of storage and sprinkler deflectors?

Accepted Answer

18 inches

Answer

NFPA 13 requires at least 18 inches of clearance between the top of storage and sprinkler deflectors to ensure proper water distribution.

Question 4

A sprinkler system inspector tag is required to be posted at which location?

Accepted Answer

At the main riser or control valve

Answer

NFPA 25 requires inspection tags to be posted at the main riser or control valve where they are easily visible.

Question 5

What is the purpose of a fire department connection (FDC) on a sprinkler system?

Accepted Answer

To supplement the water supply from a fire truck

Answer

The FDC allows fire department pumpers to augment the water supply feeding the sprinkler system during a fire.

(CFI) Certified Fire Inspector Practice Test