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fire > 10 Exam > Flashcards

10 Exam Flashcards

1
Q

Know what a three dimensional fire is

A

Situation in which the burning liquid fuel is dripping, spraying, or flowing over the edges of a container

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2
Q

How do we perform a combination attack?

A

Is performed in two stages, beginning with an indirect attack and continuing with a direct attack

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3
Q

Class A foams are formulated to be mixed with water in ratios from

A

0.1 to 1.0

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4
Q

Class B foam is used for which type of fire?

A

Flammable liquids

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5
Q

How is foam proportioned in most portable extinguishers?

A

Premixing

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6
Q

Medium expansion foam max ratio of ___ to 1

A

200

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7
Q

To batch mix 3% foam into a 500 gallon booster tank, you would need to add ____ of foam concentrate to the tank

A

15

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8
Q

Which is a benefit of class A foam?

A

Reduces the surface tension of water

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9
Q

What is the advantage of compressed air foam?

A

Adheres to most surfaces

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10
Q

Attribute of a wet class A foam?

A

Improved fuel penetrating properties

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11
Q

Which type of foam is made from animal by products?

A

Protein

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12
Q

Which type of foam proportion-er relies on the venturi effect?

A

Eductor

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13
Q

During extrication for a driver in a frontal MVA, which action should be considered a last resort?

A

Displace the seat with a powered hydraulic tool

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14
Q

How are most windshields affixed in place?

A

Glue

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15
Q

What is laminated glass?

A

A thin layer of plastic sandwiched between two layers of glass

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16
Q

What must occur before the ram and high lift jack can be removed in a dash displacement?

A

The sill must be cribbed to hold it in position

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17
Q

When doing a dash displacement, which tool is used to push the dash forward?

A

Hydraulic ram

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18
Q

Where should rescuers begin their cuts on a windshield

A

Top center

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19
Q

Which action should be taken first in a dash displacement?

A

Remove the front doors

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20
Q

Which action should be taken if a vehicle has an undeployed airbag following an MVA?

A

Disconnect the battery

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21
Q

Which item is commonly used to stabilize a vehicle’s suspension system?

A

Step chocks

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22
Q

Which type of glass is the rear window of a vehicle

A

Tempered

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23
Q

Equipment is tagged in the ____ zone

A

Cold

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24
Q

How does exposure to natural gas affect the body?

A

Natural gas acts as an asphyxiate

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25
Q

In which control zone is decontamination performed?

A

Warm zone

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26
Q

In which step of the technical rescue incident process are victims freed from entrapment?

A

Disentanglement

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27
Q

What is the area that surrounds the incident site and whose size is proportional to the hazards that exist?

A

Rescue area

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28
Q

Which is a correct statement about tool staging at a TRI?

A

Needed tools may be identified during the size up process

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29
Q

Which is an awareness level technical rescue skill?

A

Recognize hazards

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30
Q

Which is the most common method of demarcating the control zones for an emergency incident site?

A

Barrier tape

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31
Q

Which method should rescuers use to detect the presence of a dangerous atmosphere?

A

Atmospheric monitoring

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32
Q

Which step in the technical rescue incident process follows removal of a victim?

A

Transport

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33
Q

In a preaction sprinkler system, what must happen before water will flow?

A

An alarm initiating device must be activated

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34
Q

Where is the main sprinkler system valve usually installed?

A

On the main riser, above the water supply control valve

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35
Q

Which class of standpipe is intended for fire department use only?

A

I

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36
Q

Which is a distinguishing feature of old style sprinkler heads?

A

The discharge pattern directs some water onto the ceiling

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37
Q

Which is a function of a sprinkler head?

A

Activate the fire alarm system

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38
Q

Which is a typical temperature rating for a sprinkler head in a light hazard occupancy such as an office building

A

165 F

39
Q

Which is the preferred water source for a sprinkler system?

A

A municipal water system

40
Q

Which sprinkler head mechanism uses a liquid filled glass capsule to hold the cap in place?

A

Frangible bulb

41
Q

Which type of facility monitors alarm systems located at multiple facilities?

A

Central station

42
Q

Which type of fire alarm annunciation system identifies the zone in which the alarm was initiated audible or visual signals?

A

Coded

43
Q

Private residences, which room category includes formal living rooms, family rooms, and entertainment rooms?

A

Living rooms

44
Q

What percentage of residential fires are caused by cooking?

A

47

45
Q

Which agency develops model building codes?

A

International code council

46
Q

Which agency develops model fire codes?

A

NFPA

47
Q

Which is the correct principle of residential fire safety?

A

Discuss primary and secondary exit routes from every room with the occupant

48
Q

Which is an acceptable storage area for gasoline and other flammable liquids at a residence?

A

Outbuilding

49
Q

Which is one of the 16 Firefighter life safety initiatives?

A

Develop and implement medical and physical fitness standards

50
Q

Which is one of the 16 Fire Fighter life safety Initiatives?

A

Utilize available technology whatever it can produce higher levels of health and safety

51
Q

What is the main objective of a home fire safety survey?

A

Prevent fires and reduce injuries and deaths

52
Q

Which type of fire extinguisher should be located in the kitchen?

A

ABC

53
Q

Ideally when should overhaul begin?

A

After the fire investigator has examined the scene

54
Q

The scientific method recommended by the NFPA for determining cause and origin consists of ____ steps

A

7

55
Q

Where does the fire investigator process usually begin?

A

Exterior

56
Q

Which is the fourth step in NFPAs scientific method for determining cause and origin?

A

Analyze the data

57
Q

Which kind of evidence includes facts that can be observed or reported firsthand?

A

Direct

58
Q

Which kind of evidence is used to validate a theory or show how something could have occurred?

A

Demonstrative

59
Q

Which NFPA standard establishes job performance requirements for fire investigators?

A

1033

60
Q

Which pattern of char on a wall suggests that the fire spread upward from the base?

A

V

61
Q

Which term means the process of carefully looking for evidence in the debris following a fire?

A

Digging out

62
Q

Which term refers to all of the information gathered and used by an investigator in determining the cause of a fire?

A

Evidence

63
Q

What is the difference between a transitional attack and a direct attack?

A

Direct attack- applying an extinguishing agent directly onto a burning surface.
Transitional attack- A brief exterior indirect attack that turns into a direct interior right after

64
Q

What is it called when you add foam concentrate to the apparatus tank?

A

Batch Mix

65
Q

What is the advantage to dry foam vs wet foam?

A

Dry foam has longer drain times and produces more bubbles

66
Q

What type of vehicle needs to have a rollover protection system?

A

Convertibles, RPS bars can extend up to 20 inches

67
Q

How do you disable a vehicle airbag?

A

Disconnect the battery

68
Q

What is a windshield constructed of?

A

Laminated glass

69
Q

When do rescuers remove the valve stem from tires? After what is placed?

A

Once the step chocks are in place, The tires can be deflated by pulling the valve stems to create a stable vehicle

70
Q

What is body over frame construction?

A

Consist of two large beams tied together by cross member beams. The beams create a load bearing frame for the vehicle

71
Q

Dash lift vs a dash roll

A

Dash lift- use tools to raise the dashboard off a victim
Dash Roll- uses Come-alongs to roll a dash off the victim

72
Q

When you displace a dash, where do you make your relief cut?

A

On the a-post

73
Q

Know what constitutes a class 1, 2, 3 harness for rescuers

A

Class 1- Body Belt

Class 2 harness fastens around rescuers waist and legs and has a rating of 600 pounds

Class 3 harness fastens around rescuers waist and shoulders as well as secures shoulders (full body) and is used when being lowered by a life safety rope. (Pg. 938

74
Q

What percentage of confined space deaths are from initial rescuers?

A

More than 60%

75
Q

When should someone wear a flotation device during water rescue?

A

Should be worn by everyone at all times if operating on the scene

76
Q

What is the failure acronym, what is it used for?

A

Failure to understand the environment
Additional medical problems not considered
Inadequate rescue skills
Lack of teamwork or experience
Understanding the logistics of the incident
Rescue versus recovery mode not considered
Equipment not mastered

77
Q

Know what an FDC connection is, and an OS&Y, what they’re used for?

A

FDC-Fire Department connection, Allows the department’s engine to pump water into the sprinkler system as either a supplement or the main source of water

OS&Y-Outside Screw and yoke valve-A sprinkler control valve with a valve stem that moves in and out as the valve is opened or closed

78
Q

What type of alarm occurs for improper installation of a system?

A

Nuisance

79
Q

What is a nuisance alarm?

A

An activation of a fire alarm that is not the result of a potentially hazardous condition

80
Q

How often do we replace smoke detectors?

A

Every 10 years

81
Q

Know the sprinkler head mounting positions. All of them.

A

Upright, pendent, sidewall

82
Q

What is a post indicator valve?

A

A sprinkler control valve that is mounted on the outside wall of a building

83
Q

What is the purpose of fire prevention?

A

Lowering the risk of death and injury in the community

84
Q

What common topics are covered in public fire safety education?

A

Stop, Drop, and Roll
Fire Evacuation
Don’t play with matches
Having a meet-up point

85
Q

Where are fire codes applied?

A

Commercial and Residential at different levels

86
Q

When do we use horizontal evacuation?

A

When vertical evacuation is hindered, horizontal evacuation moves patients to a safer area of the hazard floor

87
Q

Know physical, demonstrative, and documentary evidence

A

Physical- can be physically displayed or shown
Demonstrative- can be performed to demonstrate an idea
Documentary- testimonies and affidavits

88
Q

What is an accidental fire?

A

A fire that occurs as a result of human action or inaction that does not involve malicious intent.

89
Q

When do you determine probable cause?

A

The final step in fire cause determination. Must have 50% or more level of certainty

90
Q

What is direct evidence?

A

Includes facts than can be observed or reported firsthand

91
Q

What is needed to return to a scene after you leave, when custody is returned to the homeowner?

A

Search warrant or written consent

92
Q

When do we conduct a fire investigation?

A

It depends on the department
investigations are performed every time theres a working fire.

If the fire burns past a predetermined level
Every fire that has a death or injury resulting from the fire

93
Q

What do the layers of debris from a fire tell you, what can they determine?

A

Determine the sequence in which items burned, whether an item burned from the top down or from the bottom up, and how long it burned

94
Q

Point of origin and flow path tell you what about the fire

A

Can tell you everything from where and what started the fire and what fuels it spread to in a likely order

fire (3 decks)

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