Chap 37 alarms

  1. A fire department pumper can supplement a sprinkler system water supply through the
    FDC
  2. A smoke detector should be replaced every _____ years
    10
  3. Are heat detectors more, less, or equally prone to false alarms as compared to smoke detectors
    Less
  4. Closing the_____ valve is the correct method of shutting down the flow of water in a sprinkler system
    post indicator
  5. How are fire alarm systems in most high-rise buildings programmed to alert the occupants
    Alarm floor and floors immediately below and above the alarm floor
  6. How are most smoke detectors restored to non-alarm condition after they have been activated
    They are self-restoring
  7. How can an ionization smoke detector be identified
    Label stating that it contains radioactive material
  8. How does a bimetallic strip work as a heat detector switch
    The strip deforms in response to heat, opening or closing a switch
  9. How is a pull-station tamper alarm connected to the fire alarm system
    There is no such connection
  10. In a preaction sprinkler system, what must happen before water will flow
    A secondary device must be activated
  11. In dry-pipe and deluge sprinkler systems, one function of the main valve is to act as a
    dam
  12. In which sprinkler head mechanism is the cap held in place by a liquid-filled glass capsule
    Frangible bulb
  13. In which type of sprinkler system is the piping filled with pressurized air instead of water?
    Dry
  14. Prevention of nuisance alarms due to pressure variations in a sprinkler system is the function of the
    alarm valve
  15. The combination of working smoke alarms and a residential sprinkler system reduces the chance of a death from a home fire by _____ percent
    82
  16. The percentage of blocked light in a beam detector represents the __________ rate
    obscuration
  17. To replace a sprinkler head, what is the next step after the main water supply control valve is closed
    Open the drain
  18. What are the standard connections on an FDC
    Two females
  19. What do older heat detectors lack that makes it difficult to track down the cause of an alarm
    Indicator light
  20. What does the "W" stand for in the acronym WPIV
    Wall
  21. What is a concern when a carbon dioxide system is activated
    Oxygen-deficient atmosphere
  22. What is placed on the system side of a dry-pipe valve to quickly remove the air from the dry-pipe system when a sprinkler head activates
    Exhauster
  23. What is the maximum service life of lithium smoke alarm batteries
    10 years
  24. What is the most common application for a Halon system
    Sensitive electronic equipment
  25. What is the most common type of fire suppression system
    Sprinkler
  26. What is the most common type of residential fire safety alarm system
    Single-station smoke alarm
  27. What is the name of the standardized audio pattern that must be produced by a modern audible fire alarm
    Temporal-3
  28. What is the primary advantage of a preaction sprinkler system
    Prevention of accidental water discharges
  29. What is the primary mechanism by which carbon dioxide extinguishes a fire
    Displacing oxygen
  30. What is the purpose of an outside stem and yoke valve
    Control the water supply to the sprinkler system
  31. What is the term for a manual fire alarm station that requires two separate steps to activate the alarm
    Double-action pull station
  32. What is the term for the system of inlets, pipes, and outlets built into a structure to supply water to fire hoses
    Standpipe
  33. What should occur if there is a fault in the fire alarm system
    The trouble alarm should sound
  34. What type of false alarm occurs when individuals deliberately activate a fire alarm when there is no fire
    Malicious
  35. Where is the main sprinkler system valve usually installed
    On the main riser, above the water supply control valve
  36. Where on a high-rise standpipe system is a flow restriction device located
    On outlets serving the lower floors
  37. Which class of standpipe system is intended for use by both building occupants and fire fighters
    III
  38. Which class of standpipe system is unsuitable for use by fire fighters
    II
  39. Which device enables fire fighters to ascertain the type and location of the activated alarm device
    Remote annunciator
  40. Which fire alarm system requires fire fighters to search the entire building to locate the activated initiation device
    Noncoded
  41. Which fire-extinguishing agent is best suited for use in areas housing computers or electronic equipment
    Carbon dioxide
  42. Which is a typical activation temperature for a sprinkler head in a light-hazard occupancy such as an office building
    165?F (74?C)
  43. Which is the most common type of automatic sprinkler system
    Wet
  44. Which kind of sprinkler system uses accelerators and exhausters
    Dry-pipe
  45. Which of the following is a feature of a cross-zoned smoke detection system
    Two detectors must activate before an alarm is initiated
  46. Which of the following is a function of a sprinkler head
    Activate the fire alarm system
  47. Which part of a fire alarm system causes the system to indicate an alarm
    Initiation device
  48. Which part of the fire alarm system alerts the building occupants when the system is activated
    Alarm notification device
  49. Which part of the fire alarm system manages and monitors the proper operation of the system
    Fire alarm control panel
  50. Which statement about flame detectors is correct
    Infrared or ultraviolet light sources may trigger a false alarm.
  51. Which type of alarm notification system is connected directly to a monitoring site owned and operated by the building's owner
    Proprietary system
  52. Which type of alarm notification system sends a signal to a third-party, off-site monitoring facility
    Central station
  53. Which type of automatic sprinkler system cannot be used in locales where building temperatures drop below freezing
    Wet
  54. Which type of automatic sprinkler system is usually installed in residential settings
    Wet
  55. Which type of automatic sprinkler system requires the activation of a secondary device before water is released into the sprinkler piping
    Preaction
  56. Which type of detector is commonly installed in air return ducts of large buildings
    Air sampling
  57. Which type of detector is typically found in aircraft hangars
    Flame
  58. Which type of extinguishing system is particularly well suited for use on fires involving cooking oils
    Wet chemical
  59. Which type of fire alarm annunciation system identifies the zone in which the alarm was initiated at the alarm control panel only
    Zoned noncoded
  60. Which type of fire alarm annunciation system identifies the zone in which the alarm was initiated both at the alarm control panel and through the audio notification device
    Zoned coded
  61. Which type of fire alarm system is most commonly installed in hospitals
    Zoned coded
  62. Which type of heat detector is activated by an increase in temperature that exceeds a set amount over a given period of time
    Rate-of-rise heat detector
  63. Which type of heat detector must be replaced after activation
    Fixed temperature
  64. Which type of heat detector uses wire or tubing strung along the ceiling of large open areas
    Line
  65. Which type of smoke detector is activated by the invisible products of combustion
    Ionization
  66. Which type of smoke detector is activated by the visible products of combustion
    Photoelectric
  67. Which type of smoke detector is more prone to false alarms from cooking fumes and shower steam
    Ionization
  68. Which type of smoke detector is the least prone to producing false alarms due to cooking fumes and shower steam
    Photoelectric
  69. Which type of smoke detector is used to protect large open areas, such as a church or an auditorium
    Beam
  70. Which type of sprinkler head has no cap or release mechanism
    Deluge
  71. Which type of sprinkler head uses a metal alloy that melts at a specific temperature
    Fusible link
  72. What is the most common type of residental fire safety alarm system
    Single station smoke alarm
  73. What is the most common type a smoke detector
    Ionization
  74. what is the term for heat detectors that are spaced throughout an occupancy with each detector covering specific floor area
    Spot detectors
  75. Which type of heat detectors activated by an increase in temperature that exceeds a set amount of a given period of time
    Rate of rise heat detector
  76. What type of fire alarm annunciation system identifies the fire zone in which the alarm was initiated both at the alarm control panel and through the audio notification Device
    Zone coded
  77. Which of the following is a distinguishing feature of old style sprinkler heads
    The discharge pattern direct some water on to the ceiling
  78. What is the preferred water source for sprinkler system
    A municipl water system
  79. In the pre-action sprinkler system what must happen before water will flow
    Secondary device must be activated
  80. Which type of standpipe is intended for fire department use only
    I
  81. Which type of smoke detectors is more prone to false alarms for cooking fumes and shower steam
    Ionization
  82. Sprinkler heads are classified by their
    Temperature rating
  83. Which sprinkler system valve uses a threaded shaft to indicate the position of the valve
    Post-indicator
  84. What should occur if there is a fault in the fire alarm system
    The trouble alarm should sound
  85. What is a major concern for battery powered smoke alarms
    Battery replacement
  86. Which type of smoke detectors is activated by the visible products of combustion
    Photoelectric
  87. Which type a smoke detector is used to protect large open area such as church or in auditorium
    Beam
  88. Which cover detectors, only installed in the air return ducts of large buildings
    Air sampling
  89. Which type of false alarm is caused by improper function of an alarm system
    Nuisance
  90. Which smoke detector system features a delay of 30 to 60 seconds between activation and notification
    Verification
  91. Which type of alarm notification system alert only building occupants
    Local alarm
  92. Which type of alarm notification system sends an alarm signal directly to the fire department
    Remote station system
  93. What does activation of a water motor gong indicate
    Water flowing in the system
  94. We're on a high-rise standpipe system is a flow restriction Device located
    At the base of the riser
  95. Which type a sprinkler head uses a metal alloy that melts as a specific temperature
    Fusible link
  96. In which situation is it acceptable for sprinkler system main control valve not to be locked into the open position?
    The tamper switch is installed
  97. Which device activates the building fire alarm and waters flowing in the sprinkler system
    Flow switch
  98. In which type of automatic sprinkler system does water flow from all the sprinkler heads when the system is activated?
    Deluge
  99. What type of automatic sprinkler system is usually installed in the residential settings
    Wet
Author
M.Sellar
ID
352464
Card Set
Chap 37 alarms
Description
alarms
Updated