test 1 Flashcards
a _____ switch is not a supervisory switch
Vane type flow
The most appropriate detection for an atrium us a ____
Projected beam smoke detector
The first automatic fire alarm detection device was a
Fuseable link heat detector
a short circuit on a fire alarm initiating device circuit causes a ____ signal.
trouble
the disconnecting means (branch circuit) for the primary power of a fire alarm system must be _____ in color
red
manual fire alarm boxes must be installed within ____ feet of an exit doorway
5’
In a multi-family dwelling a smoke detector in an apartment’s kitchen alarms The apartment and all public areas must be notified.
violation
class a outgoing and return fire alarm circuits run vertically should be separated by at least _____ feet.
1’
The minimum sound pressure level for an audible fire alarm notification appliance at the pillow in the sleeping area is _____ dBA
75
a Proprietary supervising station in under ____ and must be located on ____
single ownership / property owned by the owner of the supervising station
a firestopping material that expands when heated is referred to as _____
Intumescent
What is the maximum distance that visible notification appliances must be located from the end of a corridor?
15’
a circuit that is 1675 feet from the fire alarm control unit to the last device will have a loop resistance of _____ ohms when #14 (3.07 ohm per 1000 ft) uncoated solid copper is used
length x 2
3.07 x per 1000 ft of wire
in a new two-story single family dwelling with a basement and three bedrooms on the second floor will require a minimum of ____ smoke alarms
6
five primary functions of the fire alarm systems.
early detection
occupant notification
fire dept notification
safety controls
building systems management
non-power-limited fire alarm systems have a maximum operating voltage of ____ volts
600
Upon detection of a trouble condition, fire alarm system controls must initiate a trouble signal within _____ seconds
200
Sprinkler water flow switch must activate an alarm within _____ seconds of when flow occurs that is equal or greater than that of a single sprinkler of the smallest oriface size installed in the system
90
The ____ also known as the birth certificate of the system contains all of the necessary information maintain the system after installation
record of completion
name 3 types of supervising station systems
remote
proprietary supervising
central
list the four emergency control functions that may be controlled by a fire alarm system
door unlocking
havoc control
elevator recall
door holder release
a wall mounted spot-type heat detectors are installed so that the top of the detector is ___ to ___ inches from the ceiling
4” - 12”
A central station service contract must include 6 elements
installation of transmitter retransmission testing maintenance record keeping and reporting signal monitoring runner service
inspection testing and maintenance programs shall satisfy the requirements of this code and shall conform to ____
the equipment manufacturers published instructions