CAT CAT Fire Alarm Systems & Components 2

Question 1

Which type of heat detector activates when the ambient temperature reaches a specific predetermined level?

Accepted Answer

Fixed-temperature detector

Answer

A fixed-temperature heat detector activates when the ambient temperature reaches a specific set point, commonly 135°F or 194°F, depending on the rating.

Question 2

In a fire alarm system, what does a 'supervisory signal' indicate?

Accepted Answer

A monitored non-alarm condition such as a closed sprinkler valve

Answer

A supervisory signal monitors the status of ancillary fire protection equipment, such as a sprinkler control valve, to ensure systems remain in proper operating condition.

Question 3

NFPA 72 requires that audible fire alarm notification devices produce a sound level of at least how many dB above ambient noise?

Accepted Answer

15 dB

Answer

NFPA 72 requires audible notification appliances to produce a minimum of 15 dB above ambient noise level or 5 dB above the maximum sound level in the space.

Question 4

A duct smoke detector is primarily installed to:

Accepted Answer

Shut down HVAC systems to prevent smoke from spreading through ductwork

Answer

Duct smoke detectors are installed in HVAC air handling systems to detect smoke and initiate equipment shutdown, preventing smoke from spreading throughout a building.

Question 5

According to NFPA 72, when ceiling beams project more than how many inches below the ceiling must smoke detectors be installed in each beam pocket?

Accepted Answer

12 inches

Answer

Per NFPA 72, when ceiling beams project more than 12 inches below the ceiling, smoke detectors must be installed in each individual beam pocket.

(CAT) Certified Alarm Technician Level I Practice Test

(CAT) Certified Alarm Technician Level I Practice Test

CAT CAT Fire Alarm Systems & Components 2