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									Firefighter II                                        Fire Detection, Alarm, and Suppression Systems




                                 Chapter 16 Test
Name:                                                     Date:

Directions: Write the correct letter on the blank before each question.


Objective 1:
Describe types of heat detectors.
________         1.    Which heat detectors can be the slowest to activate? (826-927)
                       A.      Ionization heat detectors
                       B.      Rate-of-rise heat detectors
                       C.      Photoelectric heat detectors
                       D.      Fixed-temperature heat detectors

________         2.    Which heat detectors operate on the assumption that the
                       temperature in a room will increase faster from a fire than from
                       normal atmospheric heating? (829)
                       A.      Ionization heat detectors
                       B.      Rate-of-rise heat detectors
                       C.      Photoelectric heat detectors
                       D.      Fixed-temperature heat detectors

________         3.    Which heat detectors are relatively inexpensive? (826)
                       A.      Ionization heat detectors
                       B.      Rate-of-rise heat detectors
                       C.      Photoelectric heat detectors
                       D.      Fixed-temperature heat detectors

________         4.    Which heat detectors are reliable and not subject to false
                       activations? (826)
                       A.      Ionization heat detectors
                       B.      Rate-of-rise heat detectors
                       C.      Photoelectric heat detectors
                       D.      Fixed-temperature heat detectors




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Firefighter II                                            Fire Detection, Alarm, and Suppression Systems




________         5.    Which of the following is a disadvantage of fixed-temperature heat
                       detectors? (826-827)
                       A.      They often activate too quickly.
                       B.      They are spaced very far apart.
                       C.      They are the most expensive to maintain and operate.
                       D.      They activate only after the fire has been burning for quite
                               some time.

________         6.    Fixed-temperature heat detectors are installed on the ___ of a room.
                       (827)
                       A.      floor
                       B.      ceiling
                       C.      middle
                       D.      lower half

________         7.    Fixed-temperature heat detectors rated at ___ºF (ºC) are common
                       for living spaces. (827)
                       A.      165   (76)
                       B.      200   (94)
                       C.      225   (107)
                       D.      275   (135)

________         8.    Which of the following is NOT one of the ways by which a fixed-
                       temperature heat detector activates? (827)
                       A.      Melting of heated material
                       B.      Explosion of heated material
                       C.      Expansion of heated material
                       D.      Changes in resistance of heated material

________         9.    Which fixed-temperature heat detector holds a spring-operated
                       contact inside the detector in the open position? (827)
                       A.      Fusible device
                       B.      Frangible bulb
                       C.      Photoelectric detector
                       D.      Continuous line detector




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Firefighter II                                            Fire Detection, Alarm, and Suppression Systems




________ 10.           Which fixed-temperature heat detector is a glass vial that contains a
                       liquid with a small air bubble? (828)
                       A.      Fusible device
                       B.      Frangible bulb
                       C.      Photoelectric detector
                       D.      Continuous line detector

________ 11.           Which fixed-temperature heat detector detects heat over a linear
                       area parallel to the detector? (828)
                       A.      Fusible device
                       B.      Frangible bulb
                       C.      Photoelectric detector
                       D.      Continuous line detector

________ 12.           Rate-of-rise heat detectors are designed to initiate a signal when the
                       rise in temperature exceeds ___ºF (ºC) in one minute. (829)
                       A.      8 to 12 (-13 to -11)
                       B.      12 to 15 (-11 to -9)
                       C.      15 to 20 (-9 to -7)
                       D.      20 to 24 (-7 to -4)

________ 13.           Which rate-of-rise heat detector is the most common type? (829)
                       A.      Thermoelectric detector
                       B.      Rate-compensated detector
                       C.      Pneumatic rate-of-rise line detector
                       D.      Pneumatic rate-of-rise spot detector

________ 14.           Which rate-of-rise heat detector consists of a system of tubing
                       arranged over a wide area of coverage? (830)
                       A.      Thermoelectric detector
                       B.      Rate-compensated detector
                       C.      Pneumatic rate-of-rise line detector
                       D.      Pneumatic rate-of-rise spot detector

________ 15.           Which rate-of-rise heat detector is designed for use in areas normally
                       subject to regular temperature changes that are slower than those
                       under fire conditions? (830)
                       A.      Thermoelectric detector
                       B.      Rate-compensated detector
                       C.      Pneumatic rate-of-rise line detector
                       D.      Pneumatic rate-of-rise spot detector


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Firefighter II                                         Fire Detection, Alarm, and Suppression Systems




________ 16.           Which rate-of-rise heat detector operates on the principle that when
                       two wires of dissimilar metals are twisted together and heated at one
                       end, an electrical current is generated at the other end? (830)
                       A.      Thermoelectric detector
                       B.      Rate-compensated detector
                       C.      Pneumatic rate-of-rise line detector
                       D.      Pneumatic rate-of-rise spot detector

Objective 2:
Describe types of smoke detectors/alarms.
________ 17.           Which of the following differences between a smoke detector and a
                       smoke alarm is MOST accurate? (831)
                       A.      Smoke alarms detect light; smoke detectors detect smoke.
                       B.      Smoke detectors monitor the levels of CO and CO2 in the air;
                               smoke alarms only detect smoke.
                       C.      Smoke alarms detect smoke and other products of combustion;
                               smoke detectors only detect flames.
                       D.      Smoke detectors detect smoke and transmit a signal to an
                               alarm; smoke alarms detect smoke and sound an alarm.

________ 18.           Which smoke detectors use a photoelectric cell coupled with a tiny
                       light source? (832)
                       A.      Flame detectors
                       B.      Fire-gas detectors
                       C.      Ionization smoke detectors
                       D.      Photoelectric smoke detectors

________ 19.           Which smoke detectors detect minute particles and aerosols
                       produced during combustion? (833)
                       A.      Flame detectors
                       B.      Fire-gas detectors
                       C.      Ionization smoke detectors
                       D.      Photoelectric smoke detectors




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Firefighter II                                          Fire Detection, Alarm, and Suppression Systems




________ 20.           Which type of photoelectric smoke detector uses a beam of light that
                       focuses across the area being monitored and onto a photoelectric
                       cell? (832)
                       A.      Ray application
                       B.      Beam application
                       C.      Refractory application
                       D.      Ionization application

________ 21.           Which type of photoelectric smoke detector uses a light beam that
                       passes through a small chamber at a point away from the light
                       source? (832)
                       A.      Ray application
                       B.      Beam application
                       C.      Refractory application
                       D.      Ionization application

________ 22.           Ionization smoke detectors use a radioactive material called ___ to
                       ionize air molecules as they enter a chamber within the detector.
                       (833)
                       A.      cesium
                       B.      cadmium
                       C.      americium
                       D.      technetium

________ 23.           Ionization smoke detectors generally respond faster to ___ fires.
                       (833)
                       A.      slow
                       B.      flaming
                       C.      smoldering
                       D.      dwindling

________ 24.           Batteries in smoke alarms should be changed at least ___ a year.
                       (834)
                       A.      once
                       B.      twice
                       C.      three times
                       D.      four times




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Firefighter II                                        Fire Detection, Alarm, and Suppression Systems




________ 25.           Which type of smoke alarms are usually more reliable? (833-834)
                       A.      Ionized
                       B.      Lithium-powered
                       C.      Battery-operated
                       D.      Household current

Objective 3:
Explain how flame detectors and fire-gas detectors operate.
________ 26.           Which detectors are among the most sensitive detectors used to
                       detect fires? (834)
                       A.      Flame detectors
                       B.      Fire-gas detectors
                       C.      Ionization smoke detectors
                       D.      Photoelectric smoke detectors

________ 27.           Which detectors monitor the levels of CO and CO2 in the air? (835)
                       A.      Flame detectors
                       B.      Fire-gas detectors
                       C.      Ionization smoke detectors
                       D.      Photoelectric smoke detectors

________ 28.           Which detectors are more discriminating than other types? (835)
                       A.      Flame detectors
                       B.      Fire-gas detectors
                       C.      Ionization smoke detectors
                       D.      Photoelectric smoke detectors

________ 29.           Which detectors are prone to being activated by nonfire conditions?
                       (834)
                       A.      Flame detectors
                       B.      Fire-gas detectors
                       C.      Ionization smoke detectors
                       D.      Photoelectric smoke detectors

________ 30.           Which type of flame detectors are insensitive to sunlight? (834)
                       A.      IR detectors
                       B.      UV detectors
                       C.      Flame-gas detectors
                       D.      Both UV and IR detectors



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Firefighter II                                         Fire Detection, Alarm, and Suppression Systems




Objective 4:
Discuss combination detectors and indicating devices.
________ 31.           Which of the following is NOT a type of combination detector? (835)
                       A.      Heat/smoke detectors
                       B.      Smoke/fire-gas detectors
                       C.      Photoelectric/ionization detectors
                       D.      Fixed temperature/rate-of-rise heat detectors

________ 32.           Which of the following is NOT an indicating device used to attract
                       attention in high-noise areas? (836)
                       A.      Bells or chimes
                       B.      Electronic tones
                       C.      Strobe indicators
                       D.      Shaking/vibrating indicators

Objective 5:
Describe types of automatic alarm systems.
________ 33.           Which auxiliary systems are used only in those communities that are
                       served by a municipal fire-alarm-box system? (837)
                       A.      Shunt systems
                       B.      Local energy systems
                       C.      Parallel telephone systems
                       D.      Corresponding telephone systems

________ 34.           Which auxiliary systems are systems in which the municipal alarm
                       circuit extends into the protected property? (838)
                       A.      Shunt systems
                       B.      Local energy systems
                       C.      Parallel telephone systems
                       D.      Corresponding telephone systems

________ 35.           Which auxiliary systems transmit an alarm from the protected
                       property directly to the alarm center over a municipally controlled
                       telephone circuit? (838)
                       A.      Shunt systems
                       B.      Local energy systems
                       C.      Parallel telephone systems
                       D.      Corresponding telephone systems



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Firefighter II                                           Fire Detection, Alarm, and Suppression Systems


________ 36.           Which automatic alarm systems contract with individual
                       customers?(839-840)
                       A.      Auxiliary systems
                       B.      Proprietary systems
                       C.      Central station systems
                       D.      Remote station systems

________ 37.           Which automatic alarm systems are connected to the fire department
                       telecommunication center directly or through an answering service
                       by some means other than the municipal fire alarm box system?
                       (838)
                       A.      Auxiliary systems
                       B.      Proprietary systems
                       C.      Central station systems
                       D.      Remote station systems

________ 38.           Which automatic alarm systems are used to protect large commercial
                       and industrial buildings? (839)
                       A.      Auxiliary systems
                       B.      Proprietary systems
                       C.      Central station systems
                       D.      Remote station systems

________ 39.           Which automatic alarm systems have a receiving station at an off-
                       site, contracted service point? (839-840)
                       A.      Auxiliary systems
                       B.      Proprietary systems
                       C.      Central station systems
                       D.      Remote station systems

________ 40.           Which of the following statements about proprietary systems is
                       MOST accurate? (839)
                       A.      The receiving station is staffed 8 hours a day.
                       B.      Proprietary systems are used to protect residential dwellings.
                       C.      Each building has its own system that is wired into a common
                               receiving point.
                       D.      The receiving station cannot be housed in any part of a
                               structure being protected.




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Firefighter II                                           Fire Detection, Alarm, and Suppression Systems




________ 41.           Which of the following is NOT a capability of a proprietary system?
                       (840)
                       A.      Monitoring   fire-rated doors
                       B.      Monitoring   elevator status
                       C.      Monitoring   building-utility controls
                       D.      Monitoring   fire and smoke dampers

Objective 6:
Discuss supervising fire alarm systems and auxiliary services.
________ 42.           Supervising fire alarm systems are designed to be supervised by:
                       (840)
                       A.      the system itself.
                       B.      an off-site station.
                       C.      an on-site station.
                       D.      a contracted entity separate from the system.

________ 43.           Many fixed fire suppression systems depend on a signal from: (841)
                       A.      a manual pull box.
                       B.      an outside telephone line.
                       C.      the system’s microprocessors.
                       D.      the fire department’s telecommunication center.

________ 44.           Which of the following is NOT an auxiliary service available on newer
                       systems? (842)
                       A.      Overriding elevator controls
                       B.      Unlocking and opening fire-rated doors
                       C.      Controlling personnel access to hazardous areas
                       D.      Increasing air pressure in stairwells to exclude smoke

Objective 7:
Describe the operation of an automatic fire sprinkler system.
________ 45.           Which part of an automatic sprinkler system is the pipe connecting
                       the riser to the cross mains? (844)
                       A.      Feed main
                       B.      Sprinkler valve
                       C.      Sprinkler head
                       D.      Test connection




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________ 46.           Which part of an automatic sprinkler system is the vertical piping to
                       which the sprinkler valve and other components are attached? (844)
                       A.      Riser
                       B.      Cross mains
                       C.      System drain
                       D.      Water supply

________ 47.           Which kind of sprinkler consists of two levers that press against the
                       frame and a cap over the orifice from which the water flows? (845)
                       A.      Fusible link
                       B.      Frangible bulb
                       C.      Chemical pellet
                       D.      Continuous line

________ 48.           Which kind of sprinkler consists of a small bulb filled with liquid and
                       an air bubble to hold the orifice shut? (846)
                       A.      Fusible link
                       B.      Frangible bulb
                       C.      Chemical pellet
                       D.      Continuous line

________ 49.           Which kind of sprinkler consists of a pellet of solder, under
                       compression, within a small cylinder which melts at a predetermined
                       temperature? (846)
                       A.      Fusible link
                       B.      Frangible bulb
                       C.      Chemical pellet
                       D.      Continuous line

________ 50.           Which sprinkler position extends down from the underside of the
                       piping? (846)
                       A.      Pendant
                       B.      Upright
                       C.      Sidewall
                       D.      Special-purpose




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Firefighter II                                          Fire Detection, Alarm, and Suppression Systems




________ 51.           Which sprinkler position is screwed into the top of the piping and
                       discharges water into a solid deflector that breaks it into a
                       hemispherical spray pattern redirected toward the floor? (846)
                       A.      Pendant
                       B.      Upright
                       C.      Sidewall
                       D.      Special-purpose

________ 52.           Which sprinkler position extends from the side of a pipe and is used
                       in small rooms? (847)
                       A.      Pendant
                       B.      Upright
                       C.      Sidewall
                       D.      Special-purpose

________ 53.           A storage cabinet to house spare sprinklers holds a minimum of ___
                       sprinklers. (847)
                       A.      four
                       B.      five
                       C.      six
                       D.      seven

________ 54.           Changing sprinklers is the job of: (847)
                       A.      water department personnel.
                       B.      sprinkler maintenance personnel.
                       C.      representatives of the manufacturer.
                       D.      representatives of the building’s occupants.

Objective 8:
Discuss water supply for sprinkler systems.
________ 55.           A minimum water supply has to deliver the required volume of water
                       to the highest sprinkler in a building at a residual pressure of ___ psi
                       (kPa). (850)
                       A.      10   (70)
                       B.      15   (105)
                       C.      20   (140)
                       D.      25   (175)




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Firefighter II                                           Fire Detection, Alarm, and Suppression Systems




________ 56.           The minimum flow of a sprinkler system depends on all of the
                       following EXCEPT: (850)
                       A.      the   occupancy.
                       B.      the   building contents.
                       C.      the   building location.
                       D.      the   hazard to be protected.

________ 57.           Sprinkler FDCs should be supplied with water from pumpers that
                       have a capacity of at least ___ gpm (L/min). (851)
                       A.      500 (2 000)
                       B.      1,000 (4 000)
                       C.      1,500 (6 000)
                       D.      2,000 (8 000)

________ 58.           A ___ valve prevents water flowing from the sprinkler system back
                       into the FDC. (851)
                       A.      test
                       B.      check
                       C.      manual
                       D.      sprinkler

Objective 9:
Describe major applications of sprinkler systems.
________ 59.           Which sprinkler systems are used in locations where temperatures
                       below 40ºF (4ºC) are not expected? (852)
                       A.      Wet-pipe systems
                       B.      Dry-pipe systems
                       C.      Preaction systems
                       D.      Residential systems

________ 60.           Which sprinkler systems are dry systems that employ a deluge-type
                       valve, fire detection device, and closed sprinklers? (854)
                       A.      Deluge systems
                       B.      Preaction systems
                       C.      Wet-pipe systems
                       D.      Dry-pipe systems




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Firefighter II                                          Fire Detection, Alarm, and Suppression Systems




________ 61.           Which sprinkler systems are designed to quickly supply a large
                       volume of water to the protected area? (854-855)
                       A.      Wet-pipe systems
                       B.      Dry-pipe systems
                       C.      Preaction systems
                       D.      Deluge systems

________ 62.           Which sprinkler systems are installed in one- and two-family
                       dwellings? (855)
                       A.      Wet-pipe systems
                       B.      Dry-pipe systems
                       C.      Preaction systems
                       D.      Residential systems

________ 63.           Which of the following is one of the differences between a dry-pipe
                       system and a deluge system? (853-855))
                       A.      Sprinklers in a deluge system have no fusible links.
                       B.      In a dry-pipe system, all sprinklers are open all the time.
                       C.      Sprinklers in a deluge system function as fire detection devices.
                       D.      In a dry-pipe system, the operation of the deluge valve is
                               controlled by fire detection devices installed in the area.

________ 64.           Which sprinkler systems are the simplest types of automatic fire
                       sprinkler system? (852)
                       A.      Wet-pipe systems
                       B.      Dry-pipe systems
                       C.      Preaction systems
                       D.      Residential systems

________ 65.           Which sprinkler systems have sloped pipes to help drain the water in
                       the system back toward the main drain? (853)
                       A.      Deluge systems
                       B.      Dry-pipe systems
                       C.      Preaction systems
                       D.      Residential systems




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________ 66.           The required air pressure in a dry-pipe system is usually about ___
                       psi (kPa) above the trip pressure. (853)
                       A.      10   (70)
                       B.      20   (140)
                       C.      30   (210)
                       D.      40   (280)

________ 67.           Dry-pipe systems with a water capacity of over ___ gallons (L)
                       require a quick-opening device. (854)
                       A.      250 (1 000)
                       B.      500 (2 000)
                       C.      750 (3 000)
                       D.      1000 (4 000)

________ 68.           Which sprinkler systems are used when it is especially important to
                       prevent water damage? (854)
                       A.      Wet-pipe systems
                       B.      Dry-pipe systems
                       C.      Preaction systems
                       D.      Residential systems

________ 69.           Which sprinkler systems are used in locations where piping may be
                       subjected to temperatures below 40ºF (4ºC)? (853)
                       A.      Deluge systems
                       B.      Wet-pipe systems
                       C.      Dry-pipe systems
                       D.      Residential systems




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