Fire Detection Alarm And Suppression

Question 0

The most basic alarm system is initiated how?

Answer 0

Manually

Question 1

What is the most reliable type of suppression system?

Answer 1

Automatic sprinklers

Question 2

A pull handle alarm system is referred to as what?

Answer 2

Local warning system

Question 3

Fixed temp heat detectors

Answer 3

Are the least prone for false activations

Are activated when they are heated to a set temp

Question 4

How many devices for fixed temp

Answer 4

3
Fusible link
Frangible bulb
Continuous line

Question 5

Fusible device

Answer 5

Held by solder and melts when heated

Question 6

Frangible bulb

Answer 6

Liquid in glass bulb breaks when a rates temp is reached

Question 7

Continuous line device

Answer 7

Detects heat over a linear area parallel to the detector

Question 8

Bimetallic detector

Answer 8

Two metals with different thermal expansion rates that strip an alarm when heated

Question 9

Rate of rise detector

Answer 9

Temp exceeds 12 to 15 degrees in one min sounds alarm

Question 10

Pneumatic rate of rise spot detector

“ “ rate of rise line

Answer 10

Is most common type
Hike allows air to enter and exit which reads normal atmospheric temps
Line covers more area

Question 11

Rate compensated detector

Answer 11

Signals when regular temp changes slower than those under fire conditions

Question 12

Thermoelectric detector

Answer 12

Two wires of dissimilar metals twist together and creat an electrical current

Question 13

Smoke detectors

Answer 13

Non residential or large multiple family
Barracks /hotels
Detect smoke but send a signal to another device to sound alarm

Question 14

Smoke alarms

Answer 14

Family homes

Detect smoke and sound alarm

Question 15

Photoelectric smoke detectors use how many ways to detect smoke?

Answer 15

2
Beam application
Refractory spoil application

Question 16

Beam application

Answer 16

Uses a beam of light to a censor when the light is blocked by smoke the alarm sounds

Question 17

Refractory photocell

Answer 17

Light beam reflects off smoke hitting a censor sounding alarm

Question 18

Photoelectric smoke Alarms are more sensitive when the fire is…..

Answer 18

Smoldering

Question 19

Ionization detectors

Answer 19

respond when the flame is present and uses the irons released from the flame to alarm

Question 20

What are the two main ways to power these desires?

Answer 20

Batteries and household currents

Question 21

What are the two types of flame detectors?

Answer 21

Ultraviolet
Infrared
Are the most sensitive devices

Question 22

Gas detectors

Answer 22

Alarm when a set gas is released into the atmosphere

Question 23

Combination detectors

Answer 23

Multiple devices combined

Question 24

How many auxiliary systems are there?

Answer 24

3 Local energy system Shunt Parallel telephone

Question 25

Local energy

Answer 25

Attached directly to a hard wired alarm system or master box

Question 26

Shunt

Answer 26

Circuit runs into the alarm system for protected property

Question 27

Parallel telephone

Answer 27

One telephone circuit just for Alarms

Question 28

Remote Station system

Answer 28

Connects to the fire department telecommunications center directly

Question 29

Remote station system

Answer 29

Transmits a code of distress

Question 30

Proprietary systems

Answer 30

Large commercial and industrial transferred to a center where the alarm is reported

Question 31

Central station

Answer 31

Revives the alarms

Question 32

Two types of sprinkler coverage

Answer 32

Complete sprinkler system | Partial sprinkler system

Question 33

What are the NFPA | For installations of sprinklers

Answer 33

13- standard Complete sprinkler coverage 13D- family homes 13R- multiple story buildings

Question 34

Nationally recognized testing for automatic sprinkles

Answer 34

Underwriters laboratories inc | FM global

Question 35

Primary duty for sprinkler systems

Answer 35

Safety of building occupants

Question 36

The riser

Answer 36

the vertical piping to which the sprinkler valve main drain and other components are attracted

Question 37

The feed main

Answer 37

Pipe connecting the riser to the cross mains

Question 38

Cross main

Answer 38

Directly service branch lines and sprinklers

Question 39

Sprinklers

Answer 39

Discharge water

Question 40

How many ways activate sprinklers

Answer 40

3 fusible links Frangible bulbs Chemical pellets

Question 41

Sprinklers are installed in 3 basic positions?

Answer 41

Pendent Upright Side wall

Question 42

Control valve

Answer 42

Is usually located immediately under the sprinkler alarm valve

Question 43

Indicating control valve

Answer 43

One that shows glance through glass if it's open or shut position

Question 44

Outside stem and yoke

Answer 44

Yoke in the outside with a threaded stem that opens and closes the gate inside the housing valve

Question 45

Post indicator valve

Answer 45

Is a hollow metal post that houses the valve open or shut

Question 46

Wall post indicator

Answer 46

Valve operating but on the outside of the building

Question 47

Post indicator

Answer 47

Circular disk to represent open or closed

Question 48

Actuation of fire alarms by sprinklers are when

Answer 48

Triggered by water flowing through the system

Question 49

In most cases the water supply for a sprinkler system is designed to supply only

Answer 49

A portion of the system

Question 50

Fire department connection | FDC

Answer 50

Minimum two two and half hose connections with a minimum of 1,000 gpm

Question 51

What are the types of sprinkler systems?

Answer 51

``` Wet pipe Dry pipe Precaution Deluge Residential ```

Question 52

Wet pipe

Answer 52

Simplest form straight stick system where systems don't get below 40F

Question 53

Dry pipe

Answer 53

Below 40 F keeps water out of piping used by small amounts of air pressure

Question 54

Deluge system

Answer 54

Dry pipe have no fusible links sprinklers are open all the time Whole system will activate at once

Question 55

Residential

Answer 55

Typical home system

Question 56

Photoelectric smoke detectors

Answer 56

Beam application | Refractory photocell

Question 57

Photoelectric smoke alarms

Answer 57

Are sensible to smoldering fires

Question 58

Flame detectors

Answer 58

Are most sencitive