F80 F80 Fire Safety Systems 4

Question 1

A fire door with a 3-hour fire rating is typically required in a wall with what fire resistance rating?

Accepted Answer

4-hour rated wall

Answer

Fire doors are typically rated at 75% of the wall rating; a 3-hour door is used in a 4-hour rated fire wall.

Question 2

What is the purpose of a tamper switch installed on a fire sprinkler control valve?

Accepted Answer

To signal the fire alarm panel if the valve is closed

Answer

Tamper switches send a supervisory signal to the fire alarm panel if a control valve is moved from its normal open position.

Question 3

Under NFPA 25, standard sprinkler systems must undergo a full flow test of the inspector's test connection at what frequency?

Accepted Answer

Annually

Answer

NFPA 25 requires annual testing of the inspector's test connection to verify water flow and alarm activation.

Question 4

Which type of occupancy classification under NFPA 101 has the HIGHEST life safety risk due to occupant mobility limitations?

Accepted Answer

Health care

Answer

Health care occupancies present the highest risk because patients may be bedridden or otherwise unable to self-evacuate.

Question 5

What does a 'deluge' sprinkler system have in common with an open-head foam-water system?

Accepted Answer

Both use open (non-heat-responsive) sprinkler heads

Answer

Deluge systems use open sprinkler heads throughout; when the deluge valve opens, water discharges from all heads simultaneously.

F80 Practice Test