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Fire 1 > Fire 1 > Flashcards

Fire 1 Flashcards

State Exam Prep

1
Q

Planned removal of air, smoke, gas; Replaces with cooler air; used during overhaul; and coordinated with fire-suppression is all part of what?

A

Tactical Ventilation

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2
Q

Overhaul occurs?

A

After fire has been extinguished

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3
Q

What is used to control the fire?

A

Ventilation and water

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4
Q

What allows FF to control where hot gases/smoke exhaust from a structure?

A

Ventilation

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5
Q

What state of decay does a fire enter when the compartment/structure does not ventilate before consuming most of the oxygen

A

Ventilation-limited decay

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6
Q

Keeping exterior doors closed until a charged line is in place OR performing tactical ventilation is part of are apart of ____ available flow paths

A

controlling

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7
Q

Where are FF positioned to control the flow path?

A

Doors/ Along entry path/ Entry door at residential fires

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8
Q

Personnel at residential structure fires can help interior crew do what?

A

Pull additional hose deeper into structure or shift it around

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9
Q

_____ without _____ leads to flashover

A

Ventilation without coordination

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10
Q

What amount of added ventilation will cause fire to become fuel-limited or prevent flashover?

A

No amount

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11
Q

If ventilation appears to be cooling, how long is the period of effectiveness?

A

Short-lived

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12
Q

Why do gases flow from interior to exterior?

A

Interior gas becomes less dense

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13
Q

Gases less dense tend to____? Rise or Fall

A

Rise and move towards low pressure

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14
Q

Primary mode of heat transfer?

A

Convection

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15
Q

Almost all fires within structures are? Ventilation or Fuel Limited

A

Ventilation Limited

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16
Q

Water application to fire compartment transitions fire from ____-limited to _____ -limited conditions

A

Ventilation to Fuel Limited

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17
Q

Tactical ventilation should be ______ until lines are ______.

A

delayed; charged

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18
Q

Search crews should communicate observations to ____ and ___

A

IC; Exterior Crews

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19
Q

Two assumptions made about any structure fire:
1. Structure is made of ________ __________
2. Fire in the structure is _______ -limited.

A

Lightweight construction; ventilation

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20
Q

Building occupants, contents, uninvolved rooms, portions of the building are part of ____ exposures

A

internal

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21
Q

Routing of smoke becomes necessary when ventilation does not release ___ and ___ directly ___ fire

A

heat; smoke; above

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22
Q

Radiation and/or direct flame contact can affect ___ exposures

A

external

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23
Q

Spongy roofs are usually associated with ___ roofs

A

flat

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24
Q

____ and ______ saws are using for cutting holes through roof decking

A

Power and chain saws

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25
Q

Pike poles are used for ____ and ____ ceilings

A

pulling and opening

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26
Q

____ used for breaking windows and chopping holes

A

Axes

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27
Q

____ _____ used to control flow of fire gases during ventilation

A

Flexible ducts

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28
Q

Heavy curtains used to cover exterior windows/doors to limit ventilations or prevent wind are called”

A

WCD (Wind Control Device)

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29
Q

_____ , _____, _____ are varieties of horizontal ventilation

A

natural, mechanical, hydraulic

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30
Q

Windows and doors located on ______ side of structure should be opened first to create exhaust point

A

Down-wind

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31
Q

Openings on the upwind side are open to _______; and _______

A

permit fresh air; force smoke towards exhaust opening

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32
Q

Door control is another form of _______ ventilation

A

natural

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33
Q

Multiple natural ventilation openings can speed up process of removing smoke, but can result in ____ ______

A

property damage

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34
Q

_____ pressure means artificially lowering the pressure

A

negative

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35
Q

______ pressure means raising pressure inside to move smoke towards lower pressure oepnings

A

positive

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36
Q

____ _____ ______ develops air flow to pull smoke from the structure and draws fresh air into the structure

A

Negative Pressure Ventilation

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37
Q

_____ ______ fans work best on fire confined to a compartment

A

Positive pressure

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38
Q

_____ _______ attack means controlling the flow within a structure

A

Positive Pressure

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39
Q

Two main considerations for PPA are ___ location and ____ to ____ size ratio

A

fire; exhaust to intake

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40
Q

____ pressure ventilation’s goal is to increase the pressure to a level higher than exterior of the structure

A

positive

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41
Q

What kind of fires can be intensified with additional airflow?

A

Smoldering

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42
Q

When using PPV to ventilate a multi-story building, apply ____ pressure at the ____ point

A

positive; lowest

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43
Q

To perform hydraulic ventilation, set a ____ nozzle on a ___ pattern

A

fog; wide

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44
Q

The ____ you get from an exhaust opening, the ___ air entrains into the fog pattern

A

farther; more

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45
Q

The ____ air entrained, the more heated gases get ventilated

A

more

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46
Q

the ____ the opening, the ____ ventilation will occure

A

larger; faster

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47
Q

Fog streams directed into ventilation openings can ___ effectiveness of vertical ventilation

A

reduce

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48
Q

A roof ladder must be firmly secured over ______ before working on it

A

the roof

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49
Q

Extend ground ladders at least ____ rungs above the edge of the roof

A

3

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50
Q

Inspection holes help determine______

A

location of fire

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51
Q

Inspections are used in ___ and ___ ventilation operations

A

offensive and defensive

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52
Q

what kind of hole should be the width of the saw or axe blade

A

kerf

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53
Q

what kind of cut determines whether smoke/flame is escaping?

A

kerf

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54
Q

if fire present in triangle cut, _____ and _____ ventilation

A

report to IC; suspend

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55
Q

Square/ rectangular openings can be made between ___ or in the middle of the opening

A

roof trusses

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56
Q

On shingle covered peak roofs, make cut below peak on ____ side

A

downwind

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57
Q

Which cut is created as a defensible line ahead of fire spread and should have charged hose lines present?

A

Trench

58
Q

If basement has ground level windows, ______ ______ can be done effectively

A

horizontal ventilation

59
Q

What kind of nozzle can be used to reduce the risks associated with ventilating a windowless basement?

A

Piercing nozzle

60
Q

What kind of paths from basements (stairwells/ hoist way shafts) can be used to evacuate heat and smoke without placing other portions of the building in danger?

A

Natural

61
Q

As a last resort, an opening can be cut where to allow heat and smoke to be forced through the opening?

A

In the floor near ground level

62
Q

Subfloor construction is limited to?

A

Wood and concrete

63
Q

The upper floors of multi story residences are usually ____ over wooden joists or _____

A

wooden subfloors; I-BEAMS

64
Q

The creation of an upward draft that interferes with evacuation and ventilation is called ?

A

Stack effect

65
Q

_____ smoke spread occurs when an exhaust opening does not match fire size

A

Horizontal

66
Q

Fire hose is manufactured in sizes and lengths based on specifications in NFPA _____

A

1961

67
Q

Which type of fire hose is manufactured in 50-100 foot sections

A

Attack and supply

68
Q

Suction hose (intake hose) connects ____ to _____

A

pumper to hydrant

69
Q

Large ___ sleeve hose connects pumper to pressurized water source

A

soft

70
Q

___ suction hose drafts water from static water supplies/ fire hydrant

A

Hard

71
Q

What connects hose sections to form a continuous hose line and connects fire hoses to nozzles

A

Fire hose couplings

72
Q

Attack and supply hose may be equipped with ___ or ___ couplings

A

threaded; non-threaded

73
Q

Male coupling thread is cut on ____ surface

A

exterior

74
Q

Female coupling thread is cut on ___

A

interior

75
Q

What is the point of attachment to the hose called?

A

Shank

76
Q

What is the flattened angle at the end of the threads on male/female couplings called that prevents cross threading

A

Higbee cut

77
Q

What kind of coupling is manufactured with either lugs or handles to aid in tightening and loosening connections?

A

Threaded

78
Q

Lugs sit on the _____ of a male coupling and the ____ of a female coupling

A

shank; swivel

79
Q

Connections are made with ____ for fire hoses

A

spanner wrenches

80
Q

What kind of fire hose has couplings with recessed lugs?

A

Booster fire hose

81
Q

Modern threaded couplings have what kind of lugs?

A

Rounded rocker

82
Q

How do non threaded couplings connect?

A

With locks and cams

83
Q

two-way couplings have ____ couplings rather than male and female couplings

A

identical; Quarter-turn and Storz

84
Q

What does the quarter-turn coupling have on each coupling?

A

Hook-like lugs

85
Q

Where are Storz couplings commonly found?

A

Large diameter hose

86
Q

Storz consist of ___ lugs and inset ___

A

grooved; rings

87
Q

Hydrants require a(n) ____ to make connections with non threaded couplings

A

adapter

88
Q

According to NFPA ___, hose should be inspected and service within ___ days before being placed inservice

A

1962;90

89
Q

While gathering equipment and rolling fire hose after an incident, ___ and ___ damage on hose and coupling immediately.

A

identify; mark

90
Q

Before placing fire hose and couplings back in service after use, report any evidence of ____ and. ______on hose jacket or couplings

A

dirt; debris

91
Q

Hard rubber hose, hard intake hose, and rubber-jacket collapsible hose only require:

A

Rinsing with clear water

92
Q

Woven-jacket hose requires any dirt and or dust to be ___ or ____ off of hose

A

brushed; swept

93
Q

Remove hose from exterior hose towers as soon as it dries to protect from:

A

sun damage

94
Q

___ or. ____ coupling ends of hose hung outside drying towers together to prevent swinging

A

lash; tie

95
Q

What kind of roll should you use to store and keep the liner soft?

A

Straight

96
Q

What kind of couplings develop a layer of corrosion?

A

Aluminum

97
Q

What kind of load should you use to help prevent age deterioration on hoses?

A

Flat

98
Q

Which kind of roll has the female end exposed and male end protected in roll center?

A

Straight roll

99
Q

What kind of roll is used when hose is likely deployed for use directly from a roll?

A

Donut Roll

100
Q

Which kind of roll allows the firefighter to have control of both couplings?

A

Donut

101
Q

What kind of roll enables quicker connection to other couplings

A

Donut

102
Q

Twin donut roll works best on ____ in and ____ hose

A

1 1/2 and 1 3/4 in hose

103
Q

What is the purpose of a twin roll?

A

Can be easily transported/ used in high-rise/standpipes operations

104
Q

What is the minimum amount of feet needed in a standard pumping apparatus for 2 1/2 in. fire supply hose?

A

800

105
Q

What is the minimum amount of feet needed in a standard pumping apparatus for 1 1/2 inch, 1 3/4 inch or 2-inch attack fire hose?

A

400

106
Q

What is the purpose of a dutchman?

A

changes direction /location of a coupling

107
Q

What kind of load lays flat instead on edge?

A

Flat load

108
Q

What kind of load is less likely to damage from apparatus vibration?

A

Flat load

109
Q

What is one disadvantage of flat load?

A

Contains sharp bends

110
Q

Where can a flat load be started in a single hose bed?

A

Either side

111
Q

In a split hose bed, lay the first length against partition with coupling hanging far below hose bed so:

A

coupling can be connected to last coupling of load on opposite side and laid on top of load

112
Q

What kind of load is laid on edge in fold adjacent to each other?

A

Accordion

113
Q

Where is the first coupling placed in an accordion load?

A

Rear of bed

114
Q

What is one advantage of an accordion load?

A

FF can pick up a number of folds and place them on shoulder

115
Q

What load is used in split hose beds and loaded with threaded coupling hose?

A

Combination load

116
Q

Which load permits the apparatus to make a forward lay from the water source to the fire?

A

Combination

117
Q

Which are the primary lines that are used for fire attack?

A

Preconnects

118
Q

Which homeliness are connected to a discharge valve and get placed in an area other than the main hose bed?

A

Preconnects

119
Q

Which kind of load is often used in transverse beds?

A

Preconnects Flat Load

120
Q

Which type of load has exposed loops?

A

Preconnected flat load

121
Q

Which load has hose folded in three layers?

A

Triple layer load

122
Q

Which load must be carried on the shoulder and is less likely catch on obstacles?

A

Minuteman load

123
Q

Which load is rubber-covered, preconnected coiled on reels, and is good on first attack on small exterior fires?

A

Booster

124
Q

In general, fire hydrant bonnets, barrels, and foot pieces are made of:

A

Cast iron

125
Q

Internal parts of a hydrant are usually made of:

A

Bronze

126
Q

______ ________ are made of rubber, leather, or composite materials.

A

Valve facings

127
Q

What controls the flow from a hydrant?

A

Gate valve

128
Q

All hydrants must be ____ and _____ slowly

A

open and closed

129
Q

Closing a hydrant too fast can lead to:

A

water hammer

130
Q

On what side should the tank discharge outlet be on?

A

Downhill

131
Q

____ _____ are hose rollers that protect hose from damage of dragging over sharp corners

A

edge protection

132
Q

what kind of hose roller is used to quickly drain water from LDH Hose?

A

LDH DRAINAGE

133
Q

____ valves are in pumper discharges and gated wyes.

A

Ball

134
Q

What kind of valve is operated manually by using a quarter-turn handle and the baffle is in the center of the waterway?

A

Butterfly

135
Q

What kind of valve is used in siamese that allow water to flow in one direction only?

A

Clapper

136
Q

What kind of lay is deployed from the water source to the incident?

A

Forward hose lay

137
Q

The first coupling to come off the forward lay should be _____

A

female

138
Q

What is the primary advantage of a forward lay?

A

Pumper can remain on scene

139
Q

What kind of lay is used when a pumper must go to the fire location before laying a supply line?

A

Reverse lay

140
Q
A

Fire 1 (2 decks)

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