FST Building Codes 2

Question 1

Under the IBC, what is the minimum fire-resistance rating required for exterior walls of a Type I-A construction building when the fire separation distance is less than 5 feet?

Accepted Answer

3 hours

Answer

IBC Table 705.5 requires a 3-hour fire-resistance rating for exterior walls with a fire separation distance of less than 5 feet in Type I-A construction.

Question 2

Which IBC occupancy classification applies to a building used for the display and sale of combustible goods open to the public?

Accepted Answer

Mercantile (Group M)

Answer

Group M (Mercantile) covers buildings used for the display and sale of merchandise open to the public, such as retail stores.

Question 3

According to NFPA 101, what is the maximum allowable dead-end corridor length in a new business occupancy?

Accepted Answer

50 feet

Answer

NFPA 101 limits dead-end corridors in new business occupancies to 50 feet to ensure occupants are not trapped.

Question 4

A building has a sprinkler system installed throughout in accordance with NFPA 13. Under IBC provisions, which benefit does this typically provide?

Accepted Answer

Allowance for increased building area and height

Answer

IBC Section 504 and 506 allow increases in allowable building height and area when an NFPA 13 sprinkler system is installed throughout.

Question 5

What term describes the vertical opening in a building that connects two or more stories and must be enclosed with fire-rated construction under the IBC?

Accepted Answer

Shaft enclosure

Answer

A shaft enclosure is a fire-rated enclosure surrounding vertical openings such as stairways, elevators, and mechanical chases connecting two or more stories.

(FST) Fire Safety Technician Certification Practice Test

(FST) Fire Safety Technician Certification Practice Test

FST Building Codes 2