FST Building Codes 5

Question 1

Under the IBC, what is the minimum fire-resistance rating required for a corridor serving an occupant load greater than 30 in a Group B occupancy?

Accepted Answer

1-hour rating

Answer

IBC Table 1020.1 requires a 1-hour fire-resistance rating for corridors in Group B occupancies when serving an occupant load greater than 30.

Question 2

A fire safety technician encounters a building with an 'accessory occupancy.' Under the IBC, what condition must be met for an area to qualify as an accessory occupancy?

Accepted Answer

It must not exceed 10% of the story's floor area and remain below MAQ thresholds

Answer

Under IBC Section 508.2, an accessory occupancy must not exceed 10% of the floor area of the story and must not exceed the hazardous material MAQs for the main occupancy.

Question 3

According to NFPA 101, which of the following is NOT a component of an exit?

Accepted Answer

Exit access corridor

Answer

An exit access corridor is part of the exit access — the path to the exit — not the exit itself, which includes stairs, passageways, and horizontal exits.

Question 4

Under the IBC, what is required when a fire-rated wall assembly is penetrated by a cable tray or conduit?

Accepted Answer

The penetration must be sealed with a fire-rated through-penetration protection system

Answer

IBC Section 714 requires that penetrations through fire-rated assemblies be protected with listed through-penetration firestop systems to maintain the assembly's rating.

Question 5

What is the IBC definition of 'fire area' and why is it significant for fire protection system requirements?

Accepted Answer

The aggregate floor area enclosed by fire walls, fire barriers, exterior walls, or horizontal assemblies, used to determine sprinkler requirements

Answer

A fire area is defined in IBC Section 901.7 as the aggregate floor area enclosed by fire walls, fire barriers, exterior walls, and horizontal assemblies — it is used to trigger automatic sprinkler and other fire protection requirements.

(FST) Fire Safety Technician Certification Practice Test

(FST) Fire Safety Technician Certification Practice Test

FST Building Codes 5