FSD Fire & Smoke Damper Installation & Maintenance 3

Question 1

What does the UL 555 listing standard apply to?

Accepted Answer

Fire dampers

Answer

UL 555 is the standard for Safety Fire Dampers, covering their design, construction, and testing requirements.

Question 2

A ceiling radiation damper is used in which specific application?

Accepted Answer

At penetrations of rated floor-ceiling assemblies where ducts pass through

Answer

Ceiling radiation dampers are installed at light fixture or diffuser openings in rated floor-ceiling assemblies to prevent heat radiation through the ceiling membrane.

Question 3

How often does NFPA 80 require operational testing of smoke dampers?

Accepted Answer

Every 6 months for the first year, then annually

Answer

NFPA 80 requires smoke dampers to be tested every 6 months during the first year of operation, then annually thereafter.

Question 4

What is the correct way to secure a fire damper sleeve into a masonry or concrete wall opening?

Accepted Answer

Anchor with steel angles or breakaway clips to allow thermal movement

Answer

Fire damper sleeves in masonry openings are secured with steel angle retainers or breakaway clips that allow expansion while maintaining structural integrity.

Question 5

What information is required on the label of a listed fire damper?

Accepted Answer

UL listing mark, fire rating, airflow direction, and maximum duct velocity

Answer

Listed fire dampers must be labeled with the UL mark, fire resistance rating, airflow direction arrow, and the maximum allowable duct velocity.

(FSD) Fire and Smoke Damper Certification Practice Test

(FSD) Fire and Smoke Damper Certification Practice Test

FSD Fire & Smoke Damper Installation & Maintenance 3