Chapter 11 Fire Detection & Alarm Systems

Front 1

National Electrical Code

Back 1

NFPA 70 Pg 447

Front 2

National Fire Alarm Code

Back 2

NFPA 72 Pg 447

Front 3

FACP

Back 3

Fire Alarm Control Panel pg447

Front 4

Responsible for processing signal detection devices and transmitting to alarms audible, visual alarms or alarm company

Back 4

Fire Alarm Control Panel Pg 447

Front 5

Alarm control units are designed for both security & fire protection which takes higher priority.

Back 5

Fire Protection pg 448

Front 6

Usually the building's main public electrical connection, connected at a fire detection alarm system dedicated branch circuit.

Back 6

Primary electrical Power Supply. pg 448

Front 7

Engine-driven generators may be permitted as what?

Back 7

Alternative Primary Power Supply pg 448

Front 8

If a generator is used what must applied?

Back 8

24 Hour Trained Operator

or

Engine-driven generators

Front 9

If the primary operating engine fails what must happen?

Back 9

Secondary generator must be designed to start automatically

Front 10

The secondary system must operate fire detection and alarm system once the main power supply fails.

Back 10

The secondary system must be operational within 30 seconds.

Front 11

Secondary Power source Option 1

Back 11

Storage Battery and Charger

Front 12

Secondary Power source Option 2

Back 12

Engine-driven generators and 4 hour capacity storage battery.

Front 13

Secondary Power source Option 3

Back 13

Multiple Engine-driven generators, one must be automatic starting Pg 448

Front 14

How must the trouble signal indicator be supplied power within a system?

Back 14

Trouble signal indicator must have a source of power different from the primary power source pg 448

Front 15

Fire detection systems consists of what?

Back 15

Manual and Automatic Initiating devices that are activated by fire, smoke, flame, heat. Pg449

Front 16

Two methods devices send signals to the FACP

Back 16

Hard wired systems

&

Radio wave over a special frequency to a radio receiver in the panel. Pg 449

Front 17

When the alarm initiating devices activate and send signals to the FACP. The FACP does what?

Back 17

Takes appropriate action including activating audible/visual local alarms, and transmits a signal to a central station, FD telecom. Pg 450

Front 18

What else may a audible & visual notification or signal indicate?

Back 18

May be used to indicate a trouble conditions in the alarm system as well as providing status of fire systems. Pg 450

Front 19

What is the most common types of alarm signaling systems used for structure.

Back 19

Audible notification signaling Pg. 450

Front 20

Continuously monitor the atmosphere of a building, compartment, or area.

Back 20

Automatic Alarm-Initiating devices (Detectors) Pg 451

Front 21

Two important factors that inspector should know affect the performance of the audible signaling system?

Back 21

Its ability to alert & its ability to convey information. Pg 450

Front 22

What happens when changes in atmosphere detect rapid rises in heat or presence smoke or flame signature

Back 22

Signal is sent to the FACP Pg 451

Front 23

List the four types of automatic alarm-initiating devices?

Back 23

Heat

Smoke

Flame

Fire Gases Pg 452

Front 24

What are the two categories of heat detectors?

Back 24

Fixed Temperature

Rate of Rise Pg 452

Front 25

Which devices are considered the oldest still in service?

Back 25

Heat Detection Devices Pg 452

Front 26

What are the heat detection devices prone not to do?

Back 26

Give False activations Pg 452

Front 27

What is one drawback to heat detection devices?

Back 27

Typically the slowest type of system to activate under fire conditions Pg 452

Front 28

Where must heat detectors be placed to most effective?

Back 28

Ceilings, Atriums and architecturally designed areas where is expected to accumulate. Pg 452

Front 29

Uses one of the primary principles of physics can detect the presence of heat?

Back 29

-Heat Cause expansion of various material

-Heat causes melting of certain material

-Heated material have a thermoelectric properties that are detecable. Pg 453

Front 30

What does a fusible link do within a detector/device?

Back 30

Hold detector in the open position.Pg 453

Front 31

What happen once the fusible link reaches its melting point.

Back 31

It drops away releasing the spring that touches an electrical contact that completes a circuit and sounds an alarm. Pg 453

Front 32

What does a frangible bulb do within a detection device?

Back 32

Hold two electrical contacts aparts. Once reaching temperature fractures contacts close competing a circuit sending an alarm. Pg 453

Front 33

What uses two types of metal that have different heat expansion ratios.

Back 33

Bimetallic Heat Detector Pg 454

Front 34

What type of position do Bimetallic strip come in?

Back 34

One End, Both End secured.

Design of the device metal will bow completing the circuit sending alarm Pg 454

Front 35

Detects conditions only at the spot where they are located.

Back 35

Pneumatic Rate of Rise Spot Pg 456

Front 36

Brains of the system. Processes the devices and transmit them to local or other alarm system altering devices.

Back 36

FACP

Front 37

Prevalent Monitoring system, located outside the protected premises. monitored by contracted service

Back 37

Central Station Pg 472

Front 38

Warns building occupants that action is needed and tells them what action to take.

Back 38

One way System Pg 473

Front 39

Allows people at buildings to communicate with person at main control station with intercom or special telephone

Back 39

Two Way System Pg 473

Front 40

Not required until 15 years after installed. 2 percent of detector tested. Failure additional detector must be removed and lab tested.

Back 40

Non-restorable fixed temperature system test. pg 479

Front 41

What must you not use as a primary or secondary power supply?

Back 41

Dry cell Batteries. Pg 448

Front 42

Pull/ one motion to activate device.

Back 42

Single Action Pull station

Front 43

Performs two steps lift cover and then pull to activate.

Back 43

Double Action pg 466

Front 44

Visually inspect and actively test monthly to ensure all parts are working.

Back 44

Auxiliary Fire Alarm System Pg 480

Front 45

Test Non-coded manual fire alarm boxes semiannually.

Back 45

Auxiliary Fire Alarm system Pg 480

Front 46

Protects large commercial, industrial buildings, high rise structures, groups of commonly owned facilities.

Back 46

Proprietary Pg 471

Front 47

Each building or area has its own system that is wired into a common receiving point in the facility.

Back 47

Proprietary Pg 471

Front 48

Separate structure or a part of the structure is remote from any hazardous operations.

Back 48

Proprietary Pg 471

Front 49

Simplest type of local alarm. Alarm signaling devices operate simultaneously. Not capable of identifying device triggered.

Back 49

Non-Coded Local Alarm Pg 468

Front 50

Know the distance to respond for an infrared detector.

Back 50

1 square foot of fire from a distance of 50 feet.

Front 51

Heat detector that consist of one or more thermistors.

Back 51

Electronic spot type detector Pg 457

Front 52

Rate at which thermistor are heated determines the amount of current generated, more heat equals alarm activation

Back 52

Electronic spot type detector

Front 53

Sensitivity testing should be preformed after the detector first year of service and

Back 53

Every 2 years after.

Front 54

Red and white lettering

Back 54

Appearance of Manual Pull station.

Front 55

Principle that fire rapidly increase the temperature in a given area?

Back 55

Rate of Rise Detector

Front 56

Designed to send signal when the rise in temperature exceeds 12 to 15 degrees fahrenheit.

Back 56

Rate of Rise Detector

Front 57

When should is a fusible link checked & replaced?

Back 57

Replace every 5 years

Checked Semiannually

Front 58

How far should test records go back?

Back 58

5 years

Front 59

Dedicated telephone line between Alarm boxes, protected property, FD telecomm.

Back 59

Parallel Telephone

Front 60

Plays a big factor in flame detector placement.

Back 60

Environment

Front 61

Responds quicker to smoldering

Back 61

Photoelectric

Front 62

Respond quicker to flames?

Back 62

Ionization

Front 63

Public electricity connection that must be connected at fire detection alarm system dedicated branch circuit.

Back 63

Primary Power Supply

Front 64

Has its own source of power and does not depend on the municipal power.

Back 64

Local Energy system

Front 65

Electrically connected to an integral part of the municipal fire system and municipal power.

Back 65

Shunt System

Front 66

Two types of metal with different heat expansion ratios.

Back 66

bimetallic

Front 67

One metal expands faster than the other and causes the combined strip to arch when heated.

Back 67

Bimetallic

Front 68

Areas that are subject to regular temp changes at slower than those of fire.

Back 68

Rate Compensation Detector

Front 69

Inspection must be witnessed by the fire department. True or False

Back 69

False

Front 70

Who test all parts of a smoke detector?

Back 70

UL

Front 71

Activates a gong of bell when water begins to flow through sprinkler systems

Back 71

Water Flow Devices

Front 72

Notify the FACP of a change in the status of the water in the system.

Back 72

Water flow devices

Front 73

Fixed rate/Rate of Rise Detector

Back 73

Combination Detector

Front 74

heat/smoke detector

Back 74

Combination Detector

Front 75

Smoke/Fire gas detector

Back 75

Combination Detector

Front 76

Who designs fire alarm system?

Back 76

Fire Protection engineer or technical personnel

Front 77

Can work for a city and a private firm

Back 77

Fire Protection engineer

Front 78

Detects UV and Infrared Lights

Back 78

Flame Detector

Front 79

Auxiliary fire alarm systems are connected to what?

Back 79

A municipal city fire alarm system

Front 80

Receiving device such as photodiode

Back 80

Projected beam application

Front 81

Movement and vibration can cause the light to misalign

Back 81

Projected Beam application

Front 82

Light emitting diode that passes through a small chamber

Back 82

Refractory application.

Front 83

Multiply story building most have at least one of these?

Back 83

Manual Pull station

Front 84

identify the general location of a fire more quickly and accurately than noncode local alarms

Back 84

Zone annunciated alarm

Front 85

How fast must a secondary power supply come on line once there is power failure

Back 85

30 Seconds

Front 86

Alternative method to cleaning detectors other than wiping

Back 86

Vacuum cleaner

Front 87

Pinpoints what device caused the alarm?

Back 87

Addressable

Front 88

Used to supervise automatic sprinkler systems

Back 88

Tamper switch

Front 89

Monitor main water shutoff valve that supplies sprinkler system

Back 89

Tamper switch

Front 90

Monitors air pressure in dry pipe sprinkler systems

Back 90

Tamper switch

Front 91

What is reported if the main water shutoff valve is closed

Back 91

Trouble indication is displayed on the FACP

Front 92

Another name for pull stations

Back 92

Manual pull stations

Front 93

max total travel distance of a manual pull station

Back 93

200ft

Front 94

A leased telephone line

Back 94

Remote receiving communication

Front 95

List detectors from fastest to slowest

Back 95

Smoke Detector

Fire gas detector

heat detector

Front 96

Purpose of a fire alarm system.

Back 96

to alert of fire NFPA 72

Front 97

on semiannual testing how many restorable heat device should be tested

Back 97

One

Front 98

Conductive metal inner core cable, allow small amounts of current to pass

Back 98

Tubing Type

Front 99

Insulated and bundled within an outer covering melts to make contact.

Back 99

Wire Type

Front 100

Get power locally

Back 100

Local energy Auxiliary alarm system

Front 101

Wall a smoke detector activate due to excessive moisture? True or false

Back 101

True

Front 102

manual fire alarms are tested?

Back 102

semiannually

Front 103

Are fixed heat detectors expensive? true of false

Back 103

False

Front 104

Are fixed heat detectors prone to false activation? True of False

Back 104

False

Front 105

Fixed Temperature heat detectors characteristics?

Back 105

Oldest in service

Inexpensive

Slowest to react

Reliable