Flashcards in Ch 30 Fire Protection Systems ( Part 2) Deck (30):
What are the 4 signals a fire alarm system sends and receives?
a) Local - to occupants
b) Remotely transmitted - to Fire Dept
The National Fire Alarm Code is NFPA?
Fire Alarm Control Panel
Fire Alarm Control Unit
What is a hardware component used to determine if there is a fire?
Heat, smoke, and rate of rise detectors are examples of _________ __________ detectors?
A device in which detection is continuous along a path (a cable) is a ____________ detector?
What are the 2 types of pull stations?
Single action - one step ( just pulling down)
Double action - 2 steps (lifting a cover or breaking glass and pulling down. Prevents false alarms)
NFPA 72 refers to manual pull stations as?
Manual fire alarm boxes
3 types of heat detectors?
1. Fixed temperature
2. Rate of rise
3. Rate compensation
What is the most common form of heat detector?
What is the most familiar smoke detector?
Single station smoke alarm device
NFPA 72 has 3 requirements for residential device locations?
1. 1 on each level
2. 1 on each bedroom
3. 1 in the corridor outside each sleeping area
2 basic types of smoke detectors?
1. Ionization - electrodes
2. Photoelectric - light
If 2 detection devices must activate before initiating a fire alarm, it's called?
Cross zoned alarm system
The 2 types of alarm notification appliances are?
Audible - bells, horns, sirens, speakers
Visible - strobes
What are the 5 basic types of fire alarm systems?
1. Central station
3. Auxiliary municipal
4. Proprietary supervisory
5. Remote supervisory station
The most common automatic suppression system is?
Automatic sprinkler systems
A ______________ system has no release mechanism. This type of head is always open?
With an "Upright Sprinkler Head" the deflector is __________?
With a "Pendant Sprinkler Head" the deflector is _________ ?
What are the 5 types of sprinkler systems?
1. Wet pipe
2. Dry pipe
What is the most common and simplest sprinkler system?
What are dry sprinkler systems filled with instead of water?
Air or nitrogen
In a dry system, the ___________ pressure is higher?
A preaction uses elements of a ____________ and __________ system?
For a preaction, 2 methods of detection, typically a _________ _______ and a _____________ __________ must activate for water to flow, which minimizes water damage?
Residential systems main objectives are to prevent __________ in rooms of origin, improve chances for occupant ___________ and prevent ___________ ________ to adjacent rooms?
In the US, sprinkler systems fail about ____% of the time, usually because the main water control valve has been left _____ accidentally?
The 2 most common types of indicator valves are?
If the stem is exposed of an OS&Y it's in the ________ position?