Fire Alarms Flashcards

1
Q

In an addressable system, initiating devices are connected to the FACP through a line referred to as the what?

A

DCL (Data Communication Link)

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

In an addressable system, modules are connected to the FACP through a line referred to as a

A

DCL or SLC

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

In a conventional fire alarm circuit, what is the name of the small current that flows to indicate circuit integrity under normal conditions?

A

Supervisory

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

2 types of Fire Alarm Stages

A

Single Stage and Two Stage

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

Relay modules are used for the control of what devices/circuits?

A

ancillary equipment

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

Primary purpose of fire alarm systems

A

safety

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

Isolation modules are used to

A

isolate a portion of the DCL

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

4 conditions of a fire alarm system

A

Normal
Trouble
Alarm
Supervisory

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

Monitor modules are used to

A

interconnect a conventional circuit device

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

In a conventional fire alarm system, what device is used to provide circuit supervision?

A

EOL resistors

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

Conventional initiating circuits end with?

A

EOL resistors

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

Conventional monitoring circuits end with

A

EOL resistor

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

Does a conventional fire alarm system provide identification of the specific device that initiated the alarm?

A

No

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

Conventional NAC circuits end with

A

EOL resistor

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

In an addressable fire alarm system, which devices are polarity sensitive

A

smoke detectors

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

An SLC ends with an end of line resistor. True or false

A

False

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

Addressable NAC circuits end with end of line resistors. True or false

A

True

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

What signal conditions is caused in a single stage fire alarm system when an initiating device is activated?

A

Audible evacuation alarm

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

What signal conditions is caused in a two stage fire alarm system when an initiating device is activated?

A

Audible alert signal

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

When wiring an SLC. what terminals do you leave the FACP on?

A

B’s to A’s, Negatives

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

3 sprinkler tree devices and their condition

A

Water flow- Alarm
Low Pressure- Supervisory
Gate Valve tamper switch- Supervisory

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

Low water pressure will cause what condition to be displayed?

A

Supervisory

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

If water flows through the sprinkler system, what condition will be displayed?

24
Q

In an addressable system, if a device is addressed incorrectly, what condition will be displayed?

25
In a conventional fire alarm system, which devices are polarity sensitive?
Smoke detector Notification devices
26
A trouble condition will reset automatically once the issue had been corrected. True or false
True
27
What type of addressable module can be used to de-energize an ancillary device?
Control/relay
28
What type of addressable module can be used to interconnect a conventional circuit/device to an addressable fire alarm system?
Monitor Module
29
Four stages of a Fire
Incipient stage Smoldering Flame Stage Heat
30
Class A Fires
wood, paper
31
Class B Fires
flammable liquids and gases
32
Class C Fires
Electrical
33
Class D fires
Combustible metals
34
Class K fires
cooking
35
3 main components in a fire triangle
Heat Oxygen Fuel Also Chain reaction
36
Alarm and supervisory require auto reset or manual?
Manual
37
3 types of fire alarm systems
Conventional Multiplex Addressable \
38
SLC means what?
Signaling Line circuit
39
DCL does not end with a resistor. True or false?
True
40
2 Types of smoke detectors are:
Rate of rise-15 F per minute increase in area Fixed temperature- activates when temp hits a certain level
41
Notification appliance circuits wired from either conventional or addressable systems terminate at?
End of line devices
42
Low pressure Switch is wired
NC, C
43
Water flow alarm switch is wired
NO C
44
Gate Valve tamper is wired
NC C
45
L on FDM are what numbers
6, 7
46
H on FDM are what numbers
8, 9
47
Photoelectric detectors detect?
White or grey smoke
48
Ionization detectors detect?
Gas
49
Tolerance Percent on Gold Silver No colour
Gold is 5% Silver is 10% No color is 20%
50
2 Primary types of notification
Audible Visible
51
Does a Class A circuit have an end of line resistor?
No
52
What is a trouble signal?
audible and visual signal from failure of equipment
53
A supervisory current happens when the Water Flow Gate valve slightly closes or opens?
Closes
53
Bad Beer Rots Our Young Guts But Vodka Goes Well
Black Brown Red Orange Yellow Green Blue Violet Gray White
54
Main components of a fire alarm system
Control panel Alarm initiating devices Notification appliances Power supplies Communication/monitoring Ancillary devices
55
3 ancillary devices
Door magnets HVAC shutdown Elevator
56
A standard audible alarm signal
Temporal 3