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Fire Alarm Systems > F/A 1-8 > Flashcards

F/A 1-8 Flashcards

1
Q

What are the 3 types of Fire Alarm Circuits?

A

SLC, NAC, and IDC.

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2
Q

What does NAC stand for?

A

Notification Appliance Circuit.

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3
Q

What does SLC stand for?

A

Signaling Line Circuit.

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4
Q

What does IDC stand for?

A

Initiating Device Circuit.

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5
Q

Combustible items found in a protected space are often referred to as ______?

A

Fuels.

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6
Q

According to NFPA data, structure fires occur approximately every ____ seconds in the US.

A

24

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7
Q

What mainly contributes to fire alarm system reliability?

A

Quality of Installation.

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8
Q

The first heat detector used _______ technology.

A

Fusible Link.

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9
Q

When did ADA become law?

A

1992

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10
Q

What do Supervisory Signals indicate?

A

An off-normal condition of a suppression system.

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11
Q

Door unlocking is an example of?

A

An emergency control function.

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12
Q

Codes Specify?

A

When and Where.

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13
Q

Standards Specify?

A

How.

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14
Q

Local AHJ’s can change national codes by?

A

Adoption.

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15
Q

Loss of AC power is indicated by what type of signal?

A

A Trouble.

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16
Q

What is a “Manual Fire Alarm Box” also known as?

A

A pull-station.

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17
Q

Water level switches are a _____ initiating device.

A

Supervisory.

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18
Q

What type of device directly senses flames?

A

Radiant Energy Sensing.

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19
Q

Which of the following is a supervisory signal-initiating device?

a. Manual fire alarm box
b. Room temperature switch
c. Spark/ember detector
d. Vane-type flow switch

A

b. Room Temperature Switch

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20
Q

Vane (or ‘Paddle’) type switches initiate what type of signal?

A

Alarm.

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21
Q

Ionization-type smoke detectors use ______ as a means of detecting smoke particles.

A

Americium 241

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22
Q

The most appropriate type of detection for a smoldering fire is?

A

A photoelectric-type smoke detector.

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23
Q

Ionization type smokes are ideal for detecting smoke particles of what size?

A

Smaller than one micron.

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24
Q

What type of smoke detector works best in large, open areas?

A

Projected-Beam type.

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25
Q

The difference in time between the ceiling reaching a certain temperature and the sensing element reaching the same temperature is called ______.

A

Thermal Lag.

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26
Q

‘Total Coverage’ is defined by _______ but not required by _______.

A

NFPA-72, Building Codes

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27
Q

T/F: A combustible area that is inaccessible isn’t included in ‘Total Coverage’

A

False. The area must be made accessible and protected by detectors.

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28
Q

Heat detectors should operate at least _______ above the maximum ambient room temperature.

A

20 Degrees.

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29
Q

Waterflow switches are permitted to have a time delay of up to ______.

A

90 Seconds

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30
Q

On smooth + level ceilings, smoke detectors are not permitted to exceed what spacing?

A

30 Feet

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31
Q

Supervisory Valve ID’s must be made to send a supervisory signal within _____ revolutions of the hand wheel or ______ of the valve travel distance.

A

2, 1/5

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32
Q

Supervisory Pressure Switches must send a signal when nominal pressure varies by _____.

A

10 psi

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33
Q

What type of suppression systems are Vane (Paddle) type supervisory switches used with?

A

Wet Pipe Sprinkler Systems.

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34
Q

Concealed fire detectors more than _____ from the floor must have a remote indicator.

A

10 Feet

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35
Q

NA’s used outdoors may result in _____ if not listed for such use.

A

Ground Faults.

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36
Q

The common audible appliance used with an evacuation system would be ______.

A

Speakers.

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37
Q

T/F: Speakers are an audible textual device.

A

True.

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38
Q

T/F: Audible and Visible appliances can be wired on the same circuit.

A

True! Unless its a speaker strobe, then the speakers will have their own circuit.

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39
Q

The Sound Pressure Level (SPL) is always measured using the ______ scale.

A

A-weighted.

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40
Q

When ambient sound pressure is greater than 105 dBA, _______ are required.

A

Visible NA’s

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41
Q

Audible notification appliances must be mounted _____ above the finished floor and not less than _____from the ceiling.

A

90”, 6”

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42
Q

Combination audible/visible notification appliances must be mounted so the entire lens is within _____ above the finished floor.

A

80-96”

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43
Q

A common example of private-mode signaling is in ______.

A

Elevator Cars.

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44
Q

A speaker tapped at its highest setting is likely to suffer ____.

A

Distortion

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45
Q

Visible appliances in sleeping areas must be within _____ of the pillow.

A

16 Feet

46
Q

The maximum spacing of visible appliances used in a corridor is _____.

A

100 Feet

47
Q

What is an example of a textual visual display?

A

A printer.

48
Q

Strobes must be synchronized when _____.

A

There’s more than two in a room.

49
Q

Corridor visible notification appliances must be installed a maximum of _____ from each end of the corridor.

A

15 Feet

50
Q

T/F: Visible NA’s can be mounted on the end wall of a corridor.

A

True.

51
Q

What NEC article covers Burglar alarms?

A

Article 725

52
Q

Non-power-limited circuits operate up to ____ volts.

A

600V

53
Q

Generally speaking, power-limited fire alarm circuits operate at ____

A

Less than 100VA

54
Q

Power-limited equipment is determined to meet the limitations established by _____

A

The Testing Laboratory

55
Q

T/F: Fire alarm cables are permitted to be laid directly on top of suspended ceiling tiles.

A

False

56
Q

The inside of a conduit installed under a concrete slab at grade level is considered a____ location.

A

Wet Location.

57
Q

Fire alarm circuit survivability is required for ____.

A

Partial Evacuation or Relocation.

58
Q

Which cable type is permitted to be installed exposed in a plenum space?

a. FPLP
b. FPLR
c. NPLFP
d. NPLFR

A

a. FPLP

59
Q

Failure to remove conduit burrs usually results in what?

A

Ground Faults.

60
Q

When can abandoned FA cables be allowed to remain in a building?

A

When they’re intended for future use and labeled as such.

61
Q

T/F: Fire alarm circuit conductors above a suspended ceiling may use the same support wires that support the ceiling grid.

A

False

62
Q

T/F: Fire alarm cables are permitted to be strapped to other conduit.

A

False

63
Q

Are firestopping materials always listed?

A

No

64
Q

Firestop Classifications are given as ____

A

F-Rating, proportional to minutes.

65
Q

_____ in the NEC requires penetrations to be firestopped.

A

300.21

66
Q

A firestopping material that expands when heated is called _____.

A

intumescent

67
Q

Combination Systems usually have ____ control unit(s).

A

One.

68
Q

T/F: Non-fire alarm system components may share fire alarm wiring on a combination system.

A

True

69
Q

Connection of two compatible control units is called _____ communication.

A

‘peer-to-peer’

70
Q

Communication of FA signals over a local area network is called ____

A

BACNet (Building Automation Control Networks)

71
Q

Suppression System Controls must be provided with a ____ to prevent accidental tripping during FA tests.

A

Physical Switch.

72
Q

T/F: Only a common Supervisory Signal is required to be sent to the Main FA controls from the Supervisory Controls.

A

True

73
Q

Smoke detectors installed in elevator lobbies for elevator Phase I recall must be installed within ____ of the centerline of each elevator car controlled by the detector

A

21 Feet.

74
Q

Who selects the elevator recall level?

A

The AHJ

75
Q

When elevator hoistways and machine rooms are sprinklered, heat detectors are required within ____ of every head.

A

24”

76
Q

Pit sprinklers located less than _____ above the pit floor are exempt from causing shunt trip.

A

2 Feet.

77
Q

What standard contains requirements for duct detectors?

A

NFPA 90A

78
Q

Duct detectors are usually required on systems with a capacity over ____.

A

2,000 cfm

79
Q

What two signals can a duct smoke give?

A
  1. ) Alarm

2. ) Supervisory (to a constantly attended location)

80
Q

What class of circuit is meant to be “fail-safe”

A

Class D.

81
Q

A high-rise is a building with ____ occupational space above the lowest fire department access.

A

75 Feet.

82
Q

Control relays and appliances must be installed within ____ of the component they control.

A

3 Feet

83
Q

What types of building typically have in-building fire emergency voice/alarm communications systems?

A

Larger Buildings, high-rises, hospitals, assembly buildings.

84
Q

What is an example of a distributed recipient mass notification system (DRMNS)?

A

Reverse 911

85
Q

Two-way in-building emergency communications systems are also called ____.

A

Firefighter’s telephones

86
Q

Emergency communications systems must operate at standby for ____, followed by ____ of full operation.

A

24 Hours, 2 Hours

87
Q

Backup batteries for ECS must have a safety factor of _____.

A

20%

88
Q

Outgoing and Return conductors of a class A FA circuit should be separated by ____ vertically and ____ horizontally.

A

1 Foot, and 4 Foot

89
Q

Fire command centers (FCC’s) are required to have a minimum fire rating of ____.

A

1 Hour

90
Q

Systems that provide for a partial evacuation or relocation of occupants must be ____.

A

Survivable

91
Q

For a FA system to have level 3 survivability, the building must be ____.

A

Fully Sprinklered

92
Q

What is the fire rating of type FPLP-CI cable?

A

2 Hours

93
Q

Firefighter telephones must be able to support simultaneous use of ___ handsets.

A

5

94
Q

How many levels of Survivability does NFPA-72 define?

A

4 levels

95
Q

A minimum STI of ____ is considered intelligible.

A

.5

96
Q

Bi-Directional Amplifier systems must be installed in a ____ enclosure.

A

NEMA-4

97
Q

What are specs for?

A

Adding special requirements for:

  • Fire protection goals
  • Types of equipment to use
  • Owner requirements
98
Q

In the new MasterSpec numbering system, Fire Alarm Specs are found in Division ____

A

28.

99
Q

T/F: AHJ’s can enforce specifications.

A

False.

100
Q

What division of specifications are ‘General Requirements”

A

Division 01.

101
Q

Blueprints are developed using the ____ process.

A

Diazo

102
Q

Record drawings are usually developed by who?

A

The contractor or equipment supplier.

103
Q

Standard symbols for fire protection are found in NFPA ____.

A

NFPA 170

104
Q

Standard ELECTRICAL symbols are found in NECA ____

A

100

105
Q

Hidden objects on prints are usually shown as ____

A

Dashed Lines

106
Q

Match Lines on prints are usually shown as ____

A

Zig-Zag Lines

107
Q

The location of rated walls and barriers are usually located on ____ drawings.

A

Fire Protection/Life Safety

108
Q

What three prints do you need to install a fire alarm system?

A
  1. ) Calculations
  2. ) Floor Plans
  3. ) Riser Diagram
109
Q

What types of prints are provided to the owner at the completion of a fire alarm installation?

A

Record Drawings (or ‘as-builts’)

110
Q

What type of drawing provide necessary info to install a Fire Alarm system.

A

Shop Drawings.

Fire Alarm Systems (3 decks)

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