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Strategies and Tactics > Chapter 9 > Flashcards

Chapter 9 Flashcards

1
Q

4 main types of sprinkler systems:

A

Wet Pipe
Dry Pipe
Deluge
Pre-action

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2
Q

According to NFPA statistics, about ___% of fires in sprinklered building are either extinguished by the sprinklers or held in check until they can be completely extinguished by the FD.

A

96%

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3
Q

The ___ is an indicating valve; at a. glance a FF can tell if it is open or closed. Typically is located just under the sprinkler alarm valve.

A

Main valve

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4
Q

3 types of control valves:

A

Outside screw and yoke
Post indicator valve
Wall post indicator

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5
Q

___: Threaded stem is showing(___) not showing(___) and is the most common main water control valve.

A

Outside screw and yoke
Open
Shut

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6
Q

___: Stem is inside a post; a window shower whether ___ or ___.

A

Post indicator valve

Open or shut

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7
Q

___: Generally the same as post indicator valve but protrudes from the wall.

A

Wall post indicator

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8
Q

___ valves are for both system drainage and alarm silencing.

A

Stopcock valves

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9
Q

___ valves are used for system drainage and as test valves.

A

Global valves

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10
Q

The ___ valve is used to simulate actuation of the sprinkler system to ensure it is working properly.

A

Test/inspector valve

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11
Q

The ___ can also be used to test the system, much like the alarm test/inspector valve.

A

Main drain

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12
Q

The water flow alarm is either ___ or ___.

A

Electronic or Hydraulic

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13
Q

Water flow alarm… In hydraulic alarms water actually drives the ___, it is a local alarm that alerts building personnel.

A

Alarm gong

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14
Q

Water flow alarm… In electronic alarms the water presses against a diaphragm that activates the alarm. Can be a ___ alarm, or it can be connected to a ___ that can notify the fire department when the alarm is activated.

A

Local alarm

monitoring company

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15
Q

Water supply for sprinklers must be ___, ___, and of adequate ___.

A

Reliable
Automatic
Volume and pressure

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16
Q

The flow must be able to provide a minimal residual water press use of ___ psi tote highest and farthest sprinkler head.

A

15 psi

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17
Q

An indication that a fire pump is present is a ___; which looks like a wall hydrant that has multiple ___ inch outlets; the number of outlets is determined by the ___ for the occupancy.

A

Test Header
2.5”
Required flow

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18
Q

On sprinklers with a single riser, the FDC is connected to the ___ side of the system.

A

Sprinkler side

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19
Q

On a multiple riser system, the FDC is connected to the ___ side of the system.

A

Supply side

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20
Q

On a multiple riser system, the FDC is connected to the supply side of the system, thus the flow can be controlled by shutting down the ___ valve.

A

Main water control valve.

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21
Q

Because dry pipe systems take longer to deliver water, many have ___ or ___ to speed up the process.

A

Accelerators or exhausters

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22
Q

___: Like a dry pipe but additional alarm equipment must be activated before the pipes will with water; then a sprinkler head must still be activated to flow water.

A

Pre action sprinkler system

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23
Q

Sprinkler system used in areas where water damage must be avoided.

A

Pre action system

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24
Q

___: like pre action, has separate additional equipment. Typically used in locations where the occupancy is extra hazardous.

A

Deluge system

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25
Q

These sprinkler systems comply with NFPA 13D.

A

Residential systems

26
Q

___ systems do not require a FDC; if there is one present, it will likely be a single ___ inch outlet.

A

Residential systems

2.5” outlet

27
Q

If the FDC is used on a residential sprinkler system, it is imperative that the system be pumped at whatever the ___ pressure is.

A

Standard domestic

28
Q

Standpipes… Class ___: For use by FD and those trained in handling heavy fire streams.

A

Class I

29
Q

Standpipes… Class ___: For use primarily by building occupants.

A

Class II

30
Q

Standpipes… Class__: For us by FD or building occupants; FF’s should always use their own hose.

A

Class III

31
Q

Class I standpipe must have a water supply adequate to flow ___ gpm for ___ minutes.

A

500 gpm

30 minutes

32
Q

Class I standpipe must have a minimum residual pressure of ___ psi at the highest/farthest outlet while flowing ___ gpm.

A

65 psi

500 gpm

33
Q

Class I standpipe, if more than one riser; system is still required to flow 500 gpm for 30 minutes for the first standpipe and each additional standpipe must flow a minimum of ___ gpm for at least ___ minutes.

A

250 gpm

30 minutes

34
Q

Class II standpipe must flow ___ gpm for at least ___ minutes.

A

100 gpm

30 minutes

35
Q

Class II standpipe must must provide a minimum residual pressure of ___ psi at the highest/farthest outlet while flowing a minimum of ___ gpm.

A

65 psi

100 gpm

36
Q

Class III standpipe must be capable of flowing the same required minimums of a Class ___ system.

A

Class I

37
Q

Standpipes… FF’s must be aware of ___; specifically in Class III devices.

A

Pressure reducing devices

38
Q

Any standpipe system that has flow pressures of ___ psi or more should be tagged or marked to indicate the higher pressure.

A

150 psi

39
Q

Standpipe systems can be either wet or dry and ar broken down into ___ types. They are…

A

4 types

Wet Standpipe
Dry Standpipe
Dry standpipe that is under air pressure
Dry standpipe with no water supply

40
Q

NFPA ___ cover the installation, maintenance, and minimum requirements of standpipe systems.

A

NFPA 14

41
Q

NFPA 14 mandates that the standpipe systems be limited to ___ feet. When a structure is higher than that, additional zone/zones must be installed; however, no two zones are allowed to exceed the height of ___ feet.

A

275 feet

550 feet

42
Q

Standpipe FDC’s must be of the ___ type; some municipalities have mandated the connection be of the ___ inch storz type.

A

Female type

5” storz

43
Q 
FDC color coding:
Red - 
Green - 
Silver - 
Yellow -
A

Standpipe
Automatic sprinkler
Non automatic sprinkler
Combination sprinkler/standpipe

44
Q

___ and ___ types are usually found in computer rooms, spray booths, areas of intricate electrical equipment, or areas of flammable liquid storage.

A

CO² and Halogenated

45
Q

___ works by diluting the air in the room to displace oxygen.

A

CO²

46
Q

___ work by interfering with and interrupting the chemical chain reaction of fire.

A

Halogenated agents

47
Q

___: Halogenated hydrocarbons in a chemical compound that contains carbon and one or more of the elements from the halogen series(booming, chlorine, fluorine, and iodine).

A

Halon

48
Q

Main hazard of halon is ___.

A

Toxicity

49
Q

Main hazards of ___ are limited visibility and respiratory irritation; considered non toxic.

A

Dry chemical

50
Q

___: Extra ability of cooling and removing the fuel by coating it.

A

Wet chemical or Class K

51
Q

Newer agents called ___ are evolving and as the name suggests they do not leave a residue.

A

Clean agents

52
Q

Clean agents… The actual agent may be ___ or ___.

A

FE-36 or Centrimax ABC 40

53
Q

Clean agents are effective for Class ___ fires and are considered ___, ___, and ___ safe.

A

A, B, and C

nontoxic, nonconductive, and ecologically safe

54
Q

Each type of built in fire protections system, when activated, require ___.

A

FD support

55
Q

NFPA ___: Recommended practice for FD operations In properties protected by sprinkler and standpipe systems.

A

NFPA 13E

56
Q

NFPA 13E states you should initially develop and maintain a PDP of ___ psi.

A

150 psi

57
Q

NFPA 13E states that a minimum of two ___ inch hose lines supply the sprinkler or standpipe systems.

A

2.5”

58
Q

In general, a high-rise kit should be capable of flowing at least ___ gpm.

A

250 gpm

59
Q

High-rise kit should contain at least the following:

A 
Minimum of 100ft of 1 3/4" or 2" hose
Water thief or gated wye
Spanner wrenches
Pipe Wrench
Hand wheel
Nozzle
Door wedges
Typical hand tools and carried equipment such as hand lights and forcible entry tools
60
Q

The standpipe connection should always be made ___ and the hose flaked out within the stairwell.

A

Floor below the fire

Strategies and Tactics (12 decks)

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