Chapter 10 Flashcards
household fire alarm systems must be provided with_____ sources of power
2
Heat alarms or detectors installed on ceilings that consist of beam or joists must be installed on _______
bottom of beam or joist
the code requires smoke alarms or detectors within _____ of a range or cook-top to be either of the photoelectric type or to have a silence feature
21
a ________ visible notification appliance used to awaken a sleeping person must be mounted more than 24 inches from the ceiling
110 candela
smoke detectors or alarms must be located at least _______ from a supply diffuser or tips of a paddle fan
3 feet
the fire alarm signal in a dwelling sleeping room must not be less than _____ at the pillow
75dBa
areas of a dwelling over ________ require additional smoke alarms or detectors
1000 ft squared
dwelling smoke alarms can be installed in ambient temperatures between ______
40 degrees and 100 degrees F
heat detectors used in dwellings must have a listed spacing of not less than______
50 feet
the most appropriate type of detection in dwelling garages, unfinished attics or crawl spaces is
heat detection
heat detectors and alarms mounted on a ceiling must be mounted at least _____ from the wall.
4 inches
smoke alarms or detectors on peak ceilings must be within _______ of the peak
3 feet
the DACT on a dwelling fire alarm system must send a test signal to the supervising station
monthly
what is the maximum number of unmonitored smoke alarms that can be interconnected
12
dwelling heat detectors must be selected to operate at a temperature not less than ____ above the maximum expected ambient temperature in the space
25 degrees F
a _______ visible notification appliance used to awaken a sleeping person must be mounted less than 24 inches from the ceiling
177 candela
household fire alarm systems must have a secondary power source capable of providing not less than ________
24 hours of standby power followed by 4 min of alarm
wall-mounted heat detectors must be mounted so the top of the detector is between _________ inches from the ceiling
4 and 12 inches
verification calls to a dwelling may be place prior to re-transmitting the alarm provided the delay caused by the call does not exceed _______
90 seconds
three types of notifications on a fire alarm control pannel
supervisory-
alarm - gtfo
trouble- cabling issue, power failure, low battery
what device when actuated and interconnected to another similar device will cause the other device to actuate
multiple-station alarm
The primary purpose of dwelling fire warning equipment is?
life safety
what is the primary means of detection in dwellings and why.
smoke
measurable smoke is produced in a dwelling fire
smoke alarms or detectors in a basement must be ______________
mounted on the basement ceiling near the stairs
