F/A 1-8 Flashcards
What are the 3 types of Fire Alarm Circuits?
SLC, NAC, and IDC.
What does NAC stand for?
Notification Appliance Circuit.
What does SLC stand for?
Signaling Line Circuit.
What does IDC stand for?
Initiating Device Circuit.
Combustible items found in a protected space are often referred to as ______?
Fuels.
According to NFPA data, structure fires occur approximately every ____ seconds in the US.
24
What mainly contributes to fire alarm system reliability?
Quality of Installation.
The first heat detector used _______ technology.
Fusible Link.
When did ADA become law?
1992
What do Supervisory Signals indicate?
An off-normal condition of a suppression system.
Door unlocking is an example of?
An emergency control function.
Codes Specify?
When and Where.
Standards Specify?
How.
Local AHJ’s can change national codes by?
Adoption.
Loss of AC power is indicated by what type of signal?
A Trouble.
What is a “Manual Fire Alarm Box” also known as?
A pull-station.
Water level switches are a _____ initiating device.
Supervisory.
What type of device directly senses flames?
Radiant Energy Sensing.
Which of the following is a supervisory signal-initiating device?
a. Manual fire alarm box
b. Room temperature switch
c. Spark/ember detector
d. Vane-type flow switch
b. Room Temperature Switch
Vane (or ‘Paddle’) type switches initiate what type of signal?
Alarm.
Ionization-type smoke detectors use ______ as a means of detecting smoke particles.
Americium 241
The most appropriate type of detection for a smoldering fire is?
A photoelectric-type smoke detector.
Ionization type smokes are ideal for detecting smoke particles of what size?
Smaller than one micron.
What type of smoke detector works best in large, open areas?
Projected-Beam type.