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Fire Alarms > Fa > Flashcards

Fa Flashcards

1
Q

Two types of panel that are used ?

A

Addressable and conventional

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2
Q

A device from another protection system that is actuated from the fire alarm is?

A

Ancillary device

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3
Q

Two types of smoke detectors

A

Photo electric and ionization.

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4
Q

Bell or horn is an example of

A

Notification cct

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5
Q

4 devices that would connected to an initiating cct are ?

A

Heat/smoke detector
Pull station/flow switch

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6
Q

A device used to remotely display signals from a FA panel is known as

A

Annunciator

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7
Q

3 examples of ancillary devices

A

Door mag
HVAC shutdown
Elevator shut down

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8
Q

An initiation cct that leaves the fa panel and terminates at the end of line resistor would be ?

A

Class b cct

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9
Q

A cct that leaves the FACP connects to remote devices and returns to FACP would be ?

A

Class A cct

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10
Q

Device used with an addressable FA system that will disconnect a portion of the system when a fault occurs is a?

A

ISO module

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11
Q

An electrical fire would be an example of what class ?

A

Class c

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12
Q

A ground fault or or open on a cct will be indicated by a ?

A

Trouble signal at the FACP

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13
Q

Two types of heat detectors are

A

Rate of rise and fixed temp

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14
Q

Three devices used in conjunction with the sprinkler system would be ?

A

Flow switch
Gate valve
Pressure switch

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15
Q

Activation of a flow switch would cause what in the FACP?

A

Alarm

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16
Q

Removing the cover of a flow switch activating the tamper cover switch would be indicated as what in the FACP

A

Trouble

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17
Q

What must be observed when installing devices addressable fire alarm system ?

A

Polarity

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18
Q

To control an ancilliary device from from an addressable what must be installed ?

A

Relay control module

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19
Q

To control an ancilliary device from a conventional system the ancilliary device must be hardwired back to a contact in the ?

A

Fa panel

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20
Q

A fire alarm system that initiates an alert signal that will be followed by an alarm signal within 5 min if not acknowledged is a ?

A

2 stage

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21
Q

What is the purpose of a fa system

A

To protect life and property

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22
Q

What devices are used to warn building occupants of a fire

A

Notification appliances

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23
Q

What notification appliances is used to warn hearing impaired people ?

A

Strobes

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24
Q

What notification appliances are audible ?

A

Horns, bells, sirens

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25
Q

What type of device is used to activate the FA system when abnormal conditions occur

A

Initiation devices

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26
Q

List 5 initiating devices devices and list if they are manual or automatic

A

Pull station-manual
Heat detector- auto
Smoke detector -auto
Gate valve - manual
Pressure switch-auto
Flow switch -auto

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27
Q

What is an ancillary device and list 3

A

A device or system operated from the FA PANEL
doormag
Fan shutdown
Elevators

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28
Q

Why are notification appliances supervised and are they polarity sensitive

A

To insure no device can be disconnected from cct

Yes they are polarity sensitive

29
Q

What the main advantage of an addressable system over conventional?

A

Has exact location on devices instead of zones( more accurate )

30
Q

Describe the installation of class b cct compared to class a cct

A

Class b cct leaves panel and terminated at eol

Class a cct leaves panel and comes back to the panel

31
Q

What are the 3 different states of a FACP

A

Normal alarm trouble

32
Q

What devices are connected to monitoring zones in FACP

A

Gate valve and pressure switch

33
Q

What device is used with an addressable system to control ancillary equipment

A

Relay control module (RCM)

34
Q

Which class of fire is wood ?

A

class a

35
Q

What class is flammable liquid/gas

A

Class b

36
Q

What class is combustible metal

A

Class d

37
Q

What class is cooking under for a fire ?

A

Class k

38
Q

What class of fire is electrical

A

Class c

39
Q

What’s the diffence between single stage and two stage fa system?

A

Single goes right into alarm
two stage give you some time to clear the false before it goes into alarm

40
Q

What is minimum clearance from the corner of a ceiling that a smoke detector can be installed

A

6”

41
Q

What is the purpose of an iso module

A

It disconnected a portion of the doc cct

42
Q

What are 4 stages of fire

A

Incipient
Smouldering
Flame
Heat

43
Q

Which cct contains an end of line resistor

A

Class b

44
Q

What determines the spacing of heat detectors

A

Manufactures info

45
Q

What type of smoke detectors is better at detecting a wider variety of smoke types ranging from invisible to black

A

Ionization

46
Q

What is the most common type of suppression system

A

Wet sprinkler

47
Q

Which type of extinguishing system can endanger life and will have a delay/warning before it activates ?

A

Co2- halon

48
Q

Indicate what condition would indicated at the FACP for a wire coming off the terminal of a heat detector

A

Trouble

49
Q

Indicate what condition would indicated at the FACP for the positive wire touching the metal conduit

A

Trouble or ground fault

50
Q

Indicate what condition would be indicated at the FACP for pull station

A

Alarm

51
Q

Indicate what condition would be indicated at the FACP for a flow switch

A

Alarm

52
Q

Indicate what condition would be indicated at the FACP for a gate valve

A

Trouble /supervisory

53
Q

Indicate what condition would be indicated at the FACP for cutting the active initiating cct of a conventional system with side cutter

A

Alarm

54
Q

Indicate what condition would be indicated at the FACP for reversing the polarity on a smoke detector

A

Trouble

55
Q

Indicate what condition would be indicated at the FACP for removing the cover of a flow switch that has a tamper switch

A

Trouble

56
Q

What type of smoke detector would have the least nuisance trippin near a kitchen ?

A

Photo electric

57
Q

3 parts of fire triangle

A

Heat oxygen fuel

58
Q

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

A

EOL

59
Q

What signal condition is caused in a two stage system when initiating device is activated ?

A

Alert signal

60
Q

In a conventional fire alarm system which ccts require an EOL resistor ?

A

Initiating cct and notification appliance

61
Q

In a conventional system which devices are polarity sensitive

A

Smoke detectors

62
Q

In an addressable system which devices are polarity sensitive

A

All of them ….. notification appliances modules and initiating devices

63
Q

List 3 types of sprinkler tree devices and the condition each device will initiate through fa panel

A

Flow switch -alarm
Tamper switch-supervisory
Low pressure switch -supervisory

64
Q

What type of cable connector must be used for linear heat detector cable ?

A

Strain relief connector

65
Q

Reason for an EOL resistor in a fa system

A

Provide supervision of system

66
Q

List 3 types of linear heat detector

A

Stand digital
Confirmed temp initiation
Fiber optic

67
Q

How shall a stand linear heat detector be tested ?

A

Measure loop resistance

68
Q

What type of addressable module can be used to interconnect a conventional cct/device to a addressable system

A

Monitoring module

Fire Alarms (1 decks)

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