Sprinkler Systems COPY

Question 1

What are the two types of smoke detectors?

Answer 1

Photoelectric and Ionization

Question 2

What are the three devices used to identify and alert the possibility of fire conditions?

Answer 2

Smoke Detectors
Heat Detectors
Flame Detector

Question 3

What is the most common type of initiating detecting device?

Answer 3

Smoke Detector

Question 4

What type of smoke detector detects smaller amounts of particles?

Answer 4

Ionization

Question 5

What type of smoke detector will detect larger products of combustion?

Answer 5

Photoelectric

Question 6

What type of smoke detector will uses radiation?

Answer 6

Ionization

Question 7

What happens when smoke particles enters the chamber of an ionization smoke detector?

Answer 7

They neutralize the charged particles and interrupt the current flow.

Question 8

Which type of smoke detector react more quickly in detecting a fast burning fire?

Answer 8

Ionization

Question 9

Which type of smoke detector react more quickly in detecting a slow smoldering fire?

Answer 9

photoelectric

Question 10

What does a photoelectric smoke detector use to detect particles of smoke?

Answer 10

A light beam and a photocell.

Question 11

How does a photoelectric smoke detector detect the presence of smoke?

Answer 11

When smoke enters it reflects some of the light given off of the light beam on to the photocell, thereby activating an alarm.

Question 12

What type of smoke detector is used to protect churches, atriums, airport terminals and such

Answer 12

A projected beam detector

Question 13

Which detection device is less prone to nuisance alarms? Smoke Detector or Heat detector?

Answer 13

Heat Detector

Question 14

What device can provide property protection but cannot provide reliable life safety protection?

Answer 14

Heat detector

Question 15

What device would be used in smoky, dusty environments where other smoke detectors would not work as well?

Answer 15

Heat detectors

Question 16

What are the two ways heat detectors are designed to operate?

Answer 16

1. Fixed temperature
2. React to a rapid increase in pressure.

Question 17

What would be the typical temperature that a heat detector would be set at in a office building or light hazard occupancy?

Answer 17

138°

Question 18

What would be a typical increase in temperature for a heat detector to react too?

Answer 18

12° temperature change over one minute

Question 19

Which type of heat detector needs to be replaced after it has been initiated?

Answer 19

Fixed temperature heat detector

Question 20

What type of heat detector is generally self restoring even after it has been initiated?

Answer 20

Rate of Rise Heat detector

Question 21

What type of heat detector has a line that is strung across large areas such as an autorium and will react to any temperature change along the line?

Answer 21

A line heat detector.

Question 22

What type of detector uses ultraviolet light waves to detect the possibility of fire conditions?

Answer 22

Fame Detector

Question 23

What type of detector is often found in in places such as air craft hangers, fuel loading racks or certain areas where early detection is essential?

Answer 23

Flame detector

Question 24

What detector responds to fire conditions the fastest?

Answer 24

Flame Detector

Question 25

What is a disadvantage to a flame detector?

Answer 25

non fire conditions such as welding, sunlight or other sources of bright lights may trigger a false alarm

Question 26

What type of detector is often used in areas that hold valuable contents or sensitive equipment?

Answer 26

Air Sampling detectors

Question 27

What type of an alarm occurs when an individual deliberately activates a fire alarm?

Answer 27

Malicious alarm

Question 28

What type of an alarm is due to an environmental condition and is not an real emergency?

Answer 28

Nuisance alarm

Question 29

What is the sound pattern called that is required by NFPA 72 as a fire warning.

Answer 29

T3 or temporal 3 pattern

Question 30

What type of fire alarm system provides no information to the type or location of the initiating devices; consequently the entire building must be searched

Answer 30

non-coded systems

Question 31

What is the most common and least expensive sprinkler system?

Answer 31

Wet Pipe Sprinkler system

Question 32

What is the standard sprinkler head size?

Answer 32

1/2"

Question 33

What does a dry pipe sprinkler system used to keep the clapper valve closed?

Answer 33

Pressurized air

Question 34

When is a preaction sprinkler system used?

Answer 34

when the accidental discharge of water would cause excessive damage to expensive equipment, documents or artifacts

Question 35

What type of sprinkler system is going to allow water to flow from all the sprinkler heads at once?

Answer 35

Deluge Spinkler System

Question 36

Where would be an example of where you would find a deluge sprinkler system?

Answer 36

Aircraft hangers or industrial warehouses where fire suppression is critical or LIQUID PROPANE loading stations

Question 37

What system has the water self contained and does not rely on the water main?

Answer 37

Water Mist System

Question 38

Where might you find a water mist system?

Answer 38

Places of High value products and equipment such as computer rooms, archive rooms and historic buildings

Question 39

What is the primary objective of a residential sprinkler system?

Answer 39

To protect the egress routes so occupants can evacuate

Question 40

A Class _____ standpipe is designed for use by the fire dept personnel only.

Answer 40

Class 1

Question 41

What size of hose connection is found on a class 1 sprinkler system?

Answer 41

2.5 inch connection

Question 42

What class of stand pipe is designed for building occupants?

Answer 42

Class II

Question 43

What size of hose is often found in a Class 2 stand pipe system?

Answer 43

1.5 inch hose and nozzle

Question 44

Which class of stand pipes are often found in refiners and military bases?

Answer 44

Class II

Question 45

What is a Class III standpipe system?

Answer 45

Has features of both Class I and Class II standpipe systems allows for FDC as well as occupants use

Question 46

What type of Standpipe system does not have a permanent connection to a water supply so the FDC must be used to pump water into the system.

Answer 46

Manual Dry Standpipe system

Question 47

What is an automatic dry standpipe system?

Answer 47

one that is connected to the water supply but water is kept out of the piping system until needed.

Question 48

What type of suppression system is often in areas where computers or sensitive equipment is used?

Answer 48

Gaseous Suppression system

Question 49

Fire- gas detectors will trigger an alarm slighter faster than a heat detector but not as fast quickly as a ________.

Answer 49

Smoke detector

Question 50

How does a Gaseous agent system suppress fires?

Answer 50

One of two ways either by reducing the oxygen level in the room or by chemically inhibit the growth of fire.

Question 51

What do passive smoke control systems use to help influence the spread of smoke?

Answer 51

The use the building features such as fire rated walls or automatic doors.

Question 52

What does Active smoke control systems use to help influence and control the spread of smoke?

Answer 52

Mechanical systems that use control methods such as creating pressure differences.

Question 53

What is the temperature range for Black color code or orange/ red glass bulb color?

Answer 53

135 to 170°

Question 54

What is the temperature rating for a white color code with yellow or green glass bulb color?

Answer 54

175° to 225°

Question 55

What is the temperature rating for a blue code with blue glass bulb?

Answer 55

250° to 300°

Question 56

What is the temperature rating for a red code with purple glass bulb color?

Answer 56

325° to 375°

Question 57

What is the temperature rating for a green code with black bulb?

Answer 57

400° to 475°

Question 58

What is the temperature rating for a Orange code with Black

Answer 58

> 500°

Question 59

What is the color code for 135 to 175°?

Answer 59

Uncolored or black

Question 60

What is the color code for 175 to 225°?

Answer 60

White

Question 61

What is the color code for 250° to 300°?

Answer 61

Blue

Question 62

What is the color code for 325 to 375° ?

Answer 62

Red

Question 63

What is the color code for 400 to 475 ° ?

Answer 63

Green

Question 64

____ sprinklers react five to ten times faster than traditional sprinklers.

Answer 64

Early Suppression Fast Response ESFR Sprinkler system

Question 65

What are the three most common sprinkler release mechanisms?

Answer 65

Fusible Link Glass Bulb Chemical Pellet

Question 66

What is the name of the sprinkler part that is attached to the frame and creates the water discharge pattern?

Answer 66

Deflectors

Question 67

What type of sprinkler position is often found in dry systems and designed to deflect the spray of water downward

Answer 67

Upright sprinkler heads

Question 68

What type of sprinkler mount is typically used in storage facilities?

Answer 68

In Rack

Question 69

What type of sprinkler system is the simplest and generally requires the least amount of maintenance?

Answer 69

Wet Sprinkler system

Question 70

What type of sprinkler system is vital to prevent water damage?

Answer 70

Preaction Sprinkler system

Question 71

What type of sprinkler system has water at all times in it.

Answer 71

Automatic wet

Question 72

What type of sprinkler system cannot be used in cold environments?

Answer 72

Automatic Wet

Question 73

What is an automatic Dry sprinkler system?

Answer 73

One that contains air under pressure instead of water. Water is admitted to the system through the opening of a hose valve use in cold enviroments