Building Engineering Building Codes and Fire Safety 2

Question 1

What is the purpose of a fire damper in HVAC ductwork?

Accepted Answer

To automatically close and block flame and heat transfer when a duct penetrates a fire-rated assembly

Answer

To reduce noise transmission between zones

Answer

To prevent smoke from recirculating in the HVAC system

Answer

To balance airflow in the distribution system

Question 2

What is the minimum width of a means of egress corridor in a business occupancy per the IBC?

Accepted Answer

44 inches

Answer

36 inches

Answer

60 inches

Answer

32 inches

Question 3

What fire protection system detects smoke and activates audible/visual alarms to warn occupants?

Accepted Answer

Fire alarm system per NFPA 72

Answer

Suppression system per NFPA 13

Answer

Clean agent system per NFPA 2001

Answer

Standpipe system per NFPA 14

Question 4

What building feature is required to prevent fire spread between floors in a high-rise building?

Accepted Answer

Floor-to-floor fire-rated compartmentalization and vertical shaft enclosures

Answer

Automatic sprinklers on every other floor only

Answer

Non-combustible furniture throughout all floors

Answer

Smoke-proof exit stairs sealed from the building interior

Question 5

What is the purpose of an exit sign with emergency backup power in a commercial building?

Accepted Answer

To remain illuminated during power failures and guide occupants to exits

Answer

To indicate the nearest fire extinguisher location

Answer

To mark accessible routes for people with disabilities

Answer

To identify the primary entrance used during normal operations

Question 6

What is the IBC definition of a high-rise building?

Accepted Answer

A building with an occupied floor more than 75 feet above the lowest level of fire department vehicle access

Answer

Any building exceeding 10 stories in height

Answer

A building taller than 100 feet measured from grade

Answer

Any building requiring a fire pump for sprinkler coverage