Structural firefighting 7.

Question 1

($$$$$) is essential for any building protected by fire suppression systems.

Answer 1

Pre incident planning

Question 2

NFPA 13R

Answer 2

STANDARD FOR THE INSTILLATION OF SPRINKLER SYSTEMS IN RESIDENTIAL OCCUPANCIES UP TO AND INCLUDING FOUR STORIES IN HEIGHT

Question 3

NFPA 13D

Answer 3

Standard for instillation of sprinkler systems in ONE OR TWO FAMILY DWELLINGS AND MANUFACTURED HOMES

Question 4

($$$$$$) are not generally included in the NFPA 13r and 13d systems

Answer 4

Fire pumps

Question 5

Commercial type automatic sprinkler system meetin the requirements of ($$$$$$) have an exceptional record of controlling fire.

Answer 5

NFPA 13

Question 6

NFPA 13

Answer 6

Standard for sprinkler systems

Question 7

NFPA 13e

Answer 7

Recommended practices for fire department operations in properties protected by sprinkler and standpipe systems

Question 8

NFPA 13e fire department personnel should be knowledgable of and prepared to deal with the following three principal causes of unsatisfactory sprinkler performance.

Answer 8

1. A closed valve in the water supply line
2. The delivery of inadequate water supply to the sprinkler system.
3. Occupancy changes that render the installed system unsuitable.

Question 9

NFPA 25

Answer 9

Standard for the inspection, testing, and maintenance of water based fire protection systems

Question 10

When the system or part of the system is out of service, the system should be TAGGED as specified in NFPA 25

Answer 10

A tag shall be used to indicate that a system, or part thereof has been removed from service.

The tag shall be posted at each fire department connection and system control valve indicating which system, or part thereof, has been removed from service.

The authority having jurisdiction shall specify where the tag is to be placed

Question 11

The system that is most often encountered is the ($$$$$$), which is very affective and one of the most reliable fire suppression systems.

Answer 11

Wet pipe sprinkler system

Question 12

The ($$$$$$) is connected to a reliable water supply such as a water main or tank. The water is distributed and applied to the fire through sprinkler heads. Individual sprinkler heads are self contained detection/application devices.

Answer 12

Wet pipe sprinkler systems

Question 13

($$$$$) are used in areas that might be subject to freezing temperatures.

Answer 13

Dry pipe sprinkler systems

Question 14

The difference in a wet pipe and dry pipe systems is that the piping in a ($$$$$$) is filled with air that is under pressure instead of water.

Answer 14

Dry pipe

Question 15

($$$$$) systems are filled with air that may or may not be under pressure. The one diffrence is that a sensing device , such as a smoke or heat detector, opens a valve, flooding the piping with water. If the sprinkler head is also fused , then water will come out of the sprinkler onto the fire.

Answer 15

Pre action sprinkler systems

Question 16

In both systems, if the capacity exceeds 500 gal (1893 L) then ($$$$$) requires that the system be equipped with an accelerator or exhauster.

Answer 16

NFPA 13

Question 17

($$$$$$) with this system, there is no water in the sprinkler piping, and all sprinkler heads are open. When activated a detector operated control valve (which is normally closed) opens, releasing water that fills the piping, and then discharges through the open sprinkler head into the protected area.

Answer 17

Deluge system

Question 18

($$$$$$$) protect areas with high challenge fires, such as flammable liquids, conveyors moving combustible commodity s , and transformers.

Answer 18

Deluge systems

Question 19

The most common operational error at properties protected by automatic sprinkler systems is ($$$$$)

Answer 19

Shutting down the system prematurely.

Question 20

If a decision must be made between the use of hose lines and properly supplying the sprinkler system, it is usually best to supply the ($$$$$).

Answer 20

Sprinkler system

Question 21

Several types of main valves are used to open and close sprinkler systems. The two most commonly used are ($$$$$$) and the ($$$$$$).

Answer 21

(OS&Y) outside stem and yoke.

(PIV) post indicator valve

Question 22

A pumper connected to an adequate off site water supply should connect ($$$$) 2 1/2” or 3” hose line to the fire department connection.

Answer 22

Two

Question 23

The water supply for this pumper (supplying the FDC) should be a ($$$$$$), ($$$$$$) or a ($$$$$).

Answer 23

Large diameter hose
Two 21 1/2” or 3” hose lines
Direct hydrant connection.

Question 24

Some publications, including NFPA 13, recommend a pressure of ($$$$$$) at the FDC.

Answer 24

150 psi (1034 Kpa)

Question 25

($$$$$$) increases pressure within a structure by using a fan or blower to force air into the building while limiting vent openings.

Answer 25

Positive pressure ventilation

Question 26

($$$$$$$) places at the opening inside the building to "pull" or exhaust smoke out of the structure.

Answer 26

Negative pressure ventilation.

Question 27

When possible, property conservation tasks should be accomplished while ($$$$$$) is in progress.

Answer 27

Extinguishment

Question 28

($$$$$$ are not automatic fire suppression systems, cannot be operated without human intervention.

Answer 28

Standpipe

Question 29

NFPA 14

Answer 29

Standard for the instillation of stand pipe and hoses systems

Question 30

NFPA 14 list five major types of stand pipe systems.

Answer 30

1. Automatic dry 2. Automatic wet 3. Semiautomatic dry 4. Manual dry 5. Manual wet

Question 31

($$$$$$$) (standpipe) filled with pressurized air that automatically admits water into the system when a discharge is opened.

Answer 31

Automatic dry

Question 32

($$$$$$) (stand pipe) filled with water with adequate water supply that provides water when the discharge is opened.

Answer 32

Automatic wet

Question 33

($$$$$$$) dry stand pipe that admits water into the system piping upon activation of a remote control device located at the hose connection.

Answer 33

Semiautomatic dry

Question 34

($$$$$$$$) (stand pipe) does not have a water supply; the system relies exclusively on a supply provided via the FDC to supply the system demand.

Answer 34

Manual dry

Question 35

($$$)$$$) (stand pipe ) system filled with water connected o a water supply that maintains water in the system, but is not capable of providing water for firefighting purposes unless it is supplied by a fire department pumper.

Answer 35

Manual wet

Question 36

NFPA 14 also defines three classes of standpipes

Answer 36

Class I Class II Class IIII

Question 37

The laws of hydraulics tell us that there is ($$$$$$) for every 1 ft of elevation.

Answer 37

0.434 psi back pressure

Question 38

A 60 story high rise building in which each floor is 10' high will yield a back pressure of ($$$$$)

Answer 38

260 psi

Question 39

NFPA 1962

Answer 39

Standard for the inspection, care, and use of fire hose couplings and nozzles and the service tracking of fire hose.

Question 40

NFPA 1062 requires that 2 1/2" or 3" hose be tested to a minimum of ($$$$$)

Answer 40

300 psi

Question 41

($$$$$$) stand pipes will require water to be supplied through the FDC.

Answer 41

Manual wet and dry

Question 42

The water supply requirements for standpipe operation are ($$$$) 2 1/2" or 3" hose lines connected to the FDC.

Answer 42

Two

Question 43

In most operation an allowance of ($$$$$) friction loss is adequate for the stand pipe system piping.

Answer 43

10 to 15 psi

Question 44

As a minimum stand pipe equipment should consist of the following:

Answer 44

1. First arriving engine company: Two 50' lengths of 1 3/4" or larger hose Smooth bore or automatic variable stream nozzle. 2. Second arriving engine co. Three 50' lengths of 2 1/2" hose Variable stream or smooth bore nozzle 3. Truck co Forcible entry, ventilation and salvage Equipment

Question 45

($$$$$$$$) are designed to fill an area, such as a basement with foam, thereby smothering the fire.

Answer 45

High expansion foam

Question 46

($$$$$$$) are usually found in properties storing large quantities of flammable and commutable liquids.

Answer 46

Low expansion foam

Question 47

There are two types of carbon dioxide systems; ($$$$) and ($$$$$$).

Answer 47

Total flooding | Local application

Question 48

Carbon dioxide extinguishes by depleting the oxygen supply, and a carbon system generally requires carbon dioxide concentrations ranging from ($$$$$$)

Answer 48

34% To 75%

Question 49

The quick extinguishing capabilities of ($$$$$) have long been recognized in explosion suppression systems where deflagrations are suppressed before pressure builds up.

Answer 49

Halon.

Question 50

($$$$$$) are generally considered non toxic to humans in the concentrations that are found in computer rooms and other installations.

Answer 50

Clean agents.

Question 51

($$$$$) are used in a number of applications. One of the most common is in kitchen hoods in restaurants.

Answer 51

Dry chemicals

Question 52

($$$$$$) are used in many applications such as dip tanks and gasoline dispersing facilities.

Answer 52

Dry chemicles

Question 53

($$$$$) are also found in kitchens. React with hot grease or oil to form a foam blanket that surprises. The release of combustible vapors.

Answer 53

Wet chemicals

Question 54

Fire supervision systems often trip interlocking devices when they are activated. At minimum, they will be provisions for shutting down the($$$$$$$$) Ethernet using carbon dioxide and cleaning agents.

Answer 54

Ventilation systems