Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Fire Alarm > Fire Alarm > Flashcards

Fire Alarm Flashcards

1
Q

What is required for all fire alarm systems (new and existing)?

A

Documentation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What should be delivered upon completion of a fire alarm system?

A

Owners manual, record drawings, record of completion, site software

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Where should all system records be stored?

A

Documentation cabinet at control unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What must equipment powered by IDC or SLC be listed with?

A

Control unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the requirements for a circuit breaker in a fire alarm system?

A

Requires lock, cabinet lock or locked room door, and be marked FIRE ALARM in red

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How many hours of standby power are required for fire alarm systems and supervising stations?

A

24 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the minimum alarm power for commercial fire alarms?

A

5 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the minimum alarm power for voice evacuation and MNS?

A

15 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the minimum alarm power for household fire alarms?

A

4 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How much additional safety margin is required for battery calculations?

A

0.25

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How quickly should secondary power switch?

A

Within 10 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

When should alarm notification, emergency functions, and annunciation occur after activation?

A

Within 10 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

When should supervisory signals indicate?

A

Within 90 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

When should trouble signals indicate?

A

Within 200 seconds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the operational requirements for fire alarm equipment?

A

85% - 110% voltage, 32 - 120 F, and 85% humidity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Where must smoke detectors be provided?

A

At control units, NAC extenders, and transmitting equipment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

How should each floor be treated in a fire alarm system?

A

As a separate zone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How should a system serving multiple buildings be zoned?

A

Each building shall be zoned separately

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is Class A circuitry?

A

Redundant with a return path, operates with single ground or open

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is Class B circuitry?

A

Single path, operates up to single open, EOLR on IDC and NAC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is Class C circuitry?

A

Multiple paths, no supervision of paths, operation verified by receipt of signal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is Class D circuitry?

A

Fail-safe operation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is Class E circuitry?

A

No supervision

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is Class X circuitry?

A

Class A SLC with short, fault isolator per device

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is Class N circuitry?
Network (Ethernet), dual cable/fiber to each Ethernet device or segment
26
How long should records of tests and operations be kept?
Until next test and one year thereafter
27
Who is responsible for IT&M of fire alarm systems?
The owner, who may delegate in writing
28
What type of testing is required for all new fire alarm systems?
100% acceptance testing
29
What annual tests are required for smoke detectors?
Smoke entry testing and sensitivity testing
30
How often should smoke detector sensitivity be tested?
Within 1 year, then every other year
31
If sensitivity remains within range, how long can testing be extended?
Up to 5 years
32
How often should smoke alarms in dwellings be tested and replaced?
Tested monthly, replaced every 10 years
33
How should initiating devices be protected?
From damage, with a guard listed with the device
34
What is required for detectors in concealed locations more than 10 AFF?
Remote indicators (except addressable)
35
How should partitions extending within 15% of ceiling height be treated?
As separate rooms
36
Where should detectors be located along the ceiling?
Within 0.7 of listed spacing
37
How can joist, beam, and slope affect detector placement?
They can affect location and spacing
38
Where should heat detectors not be located?
Within 4 of sidewall, or between 4-12 from ceiling if wall mount
39
How should heat detectors be positioned relative to ceiling temperature?
At least 20 F above maximum expected ceiling temperature
40
How is heat detector spacing determined?
It has a listed spacing that varies
41
How does ceiling height affect heat detector spacing?
Heights above 10 reduce spacing
42
Where can smoke detectors be mounted?
Ceiling or sidewall within 12 of ceiling
43
What is the spacing requirement for smoke detectors?
30
44
How can beam depths affect smoke detector spacing?
Greater than 10% of ceiling height can affect spacing
45
What is the 0.7 Rule for corridor applications?
Reduces the number of detectors required
46
Are duct smoke detectors a replacement for open area detection?
No, they are not a replacement
47
What does NFPA 90A require for duct smoke detectors?
On supply when >2000 CFM, supply & return when >15,000 CFM, and serving 2+ floors
48
How should detectors used for door release be listed?
Listed for door release
49
How many detectors are required for door release on a header ? 24?
1 detector
50
How many detectors are required for door release on a header > 24 one side?
1 detector on the higher side
51
How many detectors are required for door release on a header > 24 both sides?
2 detectors
52
How many wall mount door release detectors are required?
2 (one on each side)
53
When should waterflow be initiated?
Within 90 seconds of water flowing (retard time)
54
How should control valve supervisory signals be tested?
Within 2 revolutions or 1/5 travel distance
55
How should pressure supervisory signals be tested?
With change of +/- 10 psi
56
What color should a manual fire alarm box (pull station) be?
Red
57
Where should pull stations be mounted?
3.5 - 4 (42 - 48), within 5 feet of door at each egress path exit on each floor
58
What is the maximum travel distance to a pull station along a path of egress?
200
59
What is required for group openings over 40?
Pull stations on each side
60
How should notification appliances be protected?
From physical damage, with guards or covers listed with appliance
61
What is required for ambient sound levels above 105dB?
Strobe
62
What is the maximum allowable sound level at minimum hearing distance?
110dB
63
Are systems that reduce ambient sound levels permitted?
Yes
64
What is the audible level requirement for public mode and private mode?
Public mode 15dB above ambient, private mode 10dB above ambient
65
How should audibles be synchronized and what pattern is used?
Temporal 3 (ANSI S3.41) and synchronized in notification zone
66
What is the minimum number of notifications required per floor?
1
67
Where should audible appliances be mounted?
Tops at least 90 AFF, and at least 6 below ceiling
68
What tone is required for sleeping areas?
520HZ
69
How should strobes be mounted?
Entire lens at least 80 AFF, and not more than 96 AFF
70
What is the maximum height for strobes mounted on ceilings above 30?
Not higher than 30
71
How should strobes be selected for non-square rooms?
Use a square that encompasses the entire room
72
What is the strobe spacing requirement for corridors 20 or less?
Use room spacing, corridors less than 20 shall be at least 15cd
73
What is the Inverse Square Law?
Double distance lose 6dB, double power gain 3dB
74
Where should emergency control function interfaces be located?
Within 3 of control circuit or appliance
75
What detectors are allowed to initiate elevator recall?
Only automatic detectors in elevator lobbies, hoist ways, machine rooms
76
Where should lobby recall detectors be located?
Within 21 of centerline of elevator doors
77
Where should smoke detectors not be installed?
In hoist ways unless listed for the environment
78
How should heat detectors for elevator shutdown be positioned?
Within 2 of sprinkler and lower temperature
79
Are waterflows permitted to have retard for elevator shutdown?
No
80
What type of signal may duct detectors initiate?
Alarm or supervisory signal (IBC supervisory only)
81
How should electrically locked exit doors respond to fire alarm activation?
Unlock and remain unlocked until reset
82
How many fire alarm systems are required for high-rise buildings?
At least 2
83
Where should fire alarm systems be located in high-rise buildings?
On every floor and at the main control panel
84
How should fire alarm systems be tested and maintained?
According to manufacturers instructions and NFPA standards
85
What is the maximum number of waterflows per zone?
5
86
What is the maximum number of supervisory devices per zone?
20
87
Can microphones and speakers be used for non-emergency communications?
Yes
88
What is required for mass notification systems?
Emergency response plan
89
What must emergency messages be preceded by?
2 cycles of emergency evac signal (Temporal 3)
90
How should strobes be marked for mass notification and fire alarm?
No marking or marked ALERT for mass notification, clear strobes for fire alarm
91
What type of fire alarm system is monitored but has no special requirements?
Remote
92
What does a central fire alarm system require?
Listed installation, installation company, and monitoring station
93
What is a proprietary fire alarm system?
Monitored by the same organization that owns the building
94
What is the maximum time for end-to-end communications in a fire alarm system?
90 seconds
95
How often should a single communications path be supervised?
Every 60 minutes
96
How often should multiple communication paths be supervised?
Every 6 hours
97
What must a DACT be connected to?
One phone line and one alternate method (radio or performance-based)
98
How soon should a DACT indicate trouble with a phone line?
Within 4 minutes
99
What equipment for transmission must have standby power?
Premises equipment (e.g., router)
100
Where must smoke alarms be installed in household systems?
In sleeping areas, outside sleeping areas, and at least 1 per floor
101
How should smoke alarms in household systems be configured?
Interconnected (multiple-station)

Fire Alarm (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions