FPE Fire Detection & Alarm Systems 3

Question 1

Per NFPA 72, projected beam smoke detectors are most appropriate for use in which type of space?

Accepted Answer

High-ceiling open areas, warehouses, or atria

Answer

Low-ceiling office spaces under 10 feet

Answer

Small confined equipment rooms with limited air movement

Answer

Spaces with continuous high-humidity environments

Question 2

When a sprinkler system control valve is found partially closed, what category of signal should the fire alarm system generate per NFPA 72?

Accepted Answer

Supervisory signal

Answer

Alarm signal

Answer

Trouble signal

Answer

Maintenance alert signal

Question 3

Per NFPA 72, what is the minimum required separation distance between a spot-type smoke detector and an air supply diffuser?

Accepted Answer

3 feet

Answer

1 foot

Answer

6 feet

Answer

10 feet

Question 4

In a high-rise building, what is the primary purpose of an emergency voice/alarm communication (EVAC) system required by NFPA 72?

Accepted Answer

To provide two-way voice communication between the fire command center and occupants throughout the building

Answer

To automatically notify the local fire department upon alarm activation

Answer

To control elevator recall and stairwell pressurization during fire events

Answer

To monitor the status of all fire suppression system components

Question 5

Which type of fire alarm system groups all devices on a circuit together so only the zone—not the specific device—can be identified at the control panel?

Accepted Answer

Conventional system

Answer

Addressable system

Answer

Wireless mesh system

Answer

Hybrid addressable system

Question 6

According to NFPA 72 Table 14.4.2.2, how frequently must smoke detectors be tested in a standard occupancy without special environmental concerns?

Accepted Answer

Annually

Answer

Every 6 months

Answer

Every 2 years

Answer

Every 5 years

Question 7

What additional capability does Class X wiring in NFPA 72 provide over Class A wiring?

Accepted Answer

Fault isolation using isolator modules so a fault does not affect devices in other circuit segments

Answer

A second complete signal path for redundant alarm transmission

Answer

Protection against electromagnetic interference from industrial equipment

Answer

The ability to monitor each individual device's signal strength continuously