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Truck Company Operations Mittendorph > Chapters 1-6 > Flashcards

Chapters 1-6 Flashcards

1
Q

Prime reason that quint apparatus are often ineffective as multipurpose companies ?

A

Lack of strong and knowledgeable officers.

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2
Q

Time is primarily saved by two factors?

A

Getting to your apparatus quickly

Knowing your district

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3
Q

Seven steps of visual awareness

A 
Know your blind spots
Look ahead
See the total picture
Scan
Maximize your perimeter
Maintain sufficient following distances
Make sure other know your intentions
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4
Q

Wet concrete roadways requires approximately ___to __ % more stopping distance

A

35-40%

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5
Q

Tall buildings hills, winding roads, blind intersections and heavy brush can reduce siren audibility by as much as ?

A

2/3’s

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6
Q

Nine basic principals of multicompany operations

A

Effective fireground operations center around one IC

Effective communication

Apparatus placement

Efficient apparatus placement from ic

Placement of initial companies

Placement of engines are more flexible

Don’t approach from same direction

Uncommitted should position back

Chief officers should park upfront

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7
Q

Key factors in determining ability of an aerial device to reach an object?

A

Setback
Height
Length of aerial
Overhead hazards

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8
Q

As the angle of inclination between the ground and the aerial device increases so does _____?

A

So does the strength

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9
Q

Preferred climbing angle

A

70-80

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10
Q

On uneven terrain it is generally best to set ____ jack first?

A

Low side

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11
Q

On level ground set the ___ side jack first?

A

Off side

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12
Q

Target area?

A

Span that can be reached by an aerial device

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13
Q

Keep aerial devices ___ft from electrical conductors?

A

10ft

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14
Q

There rid no substitute for an ___?

A

Alert operator

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15
Q

When placing an aerial ladder to a window or fire escape balcony, ____?

A

Place the too rung flush with the sill or railing

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16
Q

Always bring aerial device ____ to the victim

A

Down

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17
Q

Leave at least ____ft behind aerials

A

30ft

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18
Q

THe platform should be ____

A

Extended just past the parapet and lowered as close as possible

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19
Q

End extending a aerial ladder over an object, extend it how far?

A

Far enough to be seen easily from the roof.

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20
Q

Ladders must be positioned about ___ to ____above an object

A

4-6”

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21
Q

Two reasons not to test aerial on object?

A

Can foster collapse

Weaken ladder

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22
Q

Since most aerials are truss design, the handrails of the ladder are in ____ while the base rails are in _____?

A

Handrails tension

Base rails compression

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23
Q

First generation?

A

Prior to 1980

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24
Q

Second generation?

A

1980-1991/92

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25
Q

Size up consists of three distinct parts?

A

Analysis
Decision
Implementation

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26
Q

Type as construction will indicate?

A

Rate of burning
Avenues of spread
Structural integrity
Time necessary to conduct safe fire ground operations
Problems that will impact efforts to confine fire

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27
Q

Size up will focus on the following areas

A

Construction styles
Roof styles
Construction methods
Age of the building

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28
Q

Conventional depends on the?

A

Size of structural members for strength

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29
Q

Mill timber size?

A

8x8

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30
Q

How does lightweight construction get it’s strength?

A

For compression and tension

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31
Q

6 most common types of roof styles?

A 
Gable 
Flat 
Hip
arch 
Bridge truss
Sawtooth
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32
Q

To get an accurate estimate of the amount of time that a building can be considered structurally viable

A

Type of construction

How long fire has been burning

Severity of fire

Your experience

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33
Q

Typical gusset plate made of?

A

18g 3/8” penetration

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34
Q

Strong areas of conventional construction

A

Ridge
Hips
Valleys where rafters cross outside walls

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35
Q

Typical plywood decking depth?

A

3/8

1/2

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36
Q

Bridge truss roofs bottom and top chords are in what state?

A

Bottom is tension

Top is compression

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37
Q

Bridge truss is built from what size lumber?

A

2x12

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38
Q

When wS bridge truss built?

A

20-40’s

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39
Q

_______ sheathing provides increased structural stability than _____ sheathing?

A

Diagonal

Straight

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40
Q

The strong area is the _____ of bridge truss?

A

Perimeter

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41
Q

Bowstring covered with ?

A

1x6 sheathing

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42
Q

Strong area if bowstring?

A

Perimeter

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43
Q

Anothe name for arch roof?

A

Lamella

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44
Q

Lamella is an ___ pattern roof

A

Diamond or egg crate

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45
Q

Total roof collapse could occurs if the fire removed more than ____%

A

20 %

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46
Q

Lamellar type roof is supported by?

A

Exterior but russets

Or

Internal tie rods with turnbuckles

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47
Q

Lamella is common on what?

A

Gyms

Large supermarkets

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48
Q

There are three primary factors in recognizing wood truss contruction?

A

Roof shape

Long unsupported spans

Occupancy type

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49
Q

_____ roofs are among the most hazardous types of construction encountered by suppression personnel.

A

Timber truss roofs

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50
Q

Flat roofs can be categorized in ?

A

Conventional flat
Flat wood I beam
Flat roof open web
Flat metal gusset

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51
Q

What micro lam

A

Cheap grade lumber for structural mrmbers

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52
Q

Three main components of wooden I beams?

A

Top chord

Bottom chord

Stem

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53
Q

What is diaphragm nailing?

A

Plywood decking is bailed to structural members

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54
Q

Common in center space for I beam?

A

2 ft

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55
Q

What is used in I beam roofs to join sides and lateral strength?

A

Nailing blocks

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56
Q

Nailing blocks are spaced ____ on center

A

4ft

57
Q

What are steel tubes on open web constructed of?

A

2” cold rolled steel tubing

58
Q

Spans if up to ___ft on open web?

A

70ft

59
Q

Metal gusset flat roofs ca span up to?

A

80ft

60
Q

Panelized consists of?

A

Beams

Purlins

2x4

1/2 decking

61
Q

Where is panelized mostly found?

A

Western states

62
Q

Panelized beams are spaced between ____ and ____ft apart

A

12’ and 40’

63
Q

Open web top and bottom chord is made of

A

1/8” steel with web supports of 5/8 steel bar

64
Q

Metal exposed to fire will expand, twist, possibly fail at ___?

A

1,000 degrees

65
Q

What is Robertson decking?

A

Steel or wood substructure is covered by corrugated metal. Air mixture of sand, cement and pea gravel to 3 or 4 inches

66
Q

What properties does non structural lightweight concrete have?

A

Insululative property’s

Sound and resilient to fire

67
Q

When exposed to sufficient heat, metal beams can expand ____ “ per every ____ ft?

A

9”

100’

68
Q

Concrete construction styles?

A

Concrete conventional

Concrete tilt up

Masonry

69
Q

Brick buildings up until _____ are commonly classified as _____?

A

1933

Unreinforced masonry buildings

70
Q

Characteristics of brick built before 1933?

A

Mirror consisting if sand and lime only, no cement

Lack of steel

Brick exterior walls about 13” thick

Parapet walls 3-5ft
Roof joists “let” in

Fire cuts

71
Q

Following 1933 long beach earthquake what revisions were added?

A

Cement must be in mortar

Reinforced with steel rebar

Exterior walls 9”

Joists and rafters anchored

72
Q

Post 1959

A

4-6” concreat bond-beam cap on lowered parapets

Parapet should not be higher than 16”

Exterior walls must be drilled with steel anchor bars or rods every 4 ft

73
Q

Post 1971

A

Anchoring walls to floor

Strengthening roof constructions

74
Q

Every fourth to seven row of bricks?

A

Kings row

Laid on end

75
Q

Curtain construction can be ___% faster.

A

60%

76
Q

Consider 4 basic criteria when confronted with fascia

A

Overhang

Height and shape

Supports

Height from roof line

77
Q

Scuppers

A

Actual level of roof used for drainage

78
Q

Two types of elevators

A

Electric and hydraulic

79
Q

Elevators are found unfollowing configurations?

A

Drum type

Traction type

80
Q

Limitations in the length and diameter of winding drum limit this type of elevator to?

A

150ft

81
Q

Two types of traction type elevators?

A

High speed direct traction

gearless slow speed

82
Q

Where is traction type elevator machine room?

A

Penthouse roof

83
Q

How high are hydraulic elevators?

A

6 story’s

84
Q

Controls and equipment are found where?

A

Basement or lowest level

85
Q

Machine room consists of two main components?

A

Controller or relay

Hydraulic power unit

86
Q

Doors on the car are called?

A

Cab door

87
Q

Door from hallway?

A

Hoist way door

88
Q

4 basic doors

A

Center opening

Single slide

Two speed doors

Swing hall

89
Q

How are elevator doors opened?

A

Power unit on top of door

90
Q

Fire service control should be on elevator after ___ date

A

1973

91
Q

To place elevator into phase I mode

A

Insert key into lobby key switch and turn to on position

92
Q

What does phase I do?

A

Returns elevators nonstop to lobby, on arrival doors will open and remain there a along as the switch is on

93
Q

What is phase II?

A

When key is inserted into elevator and turn to on position

94
Q

Can key be removed on bypass mode?

A

No

95
Q

How to open and close doors?

A

By pressing and holding until fully owed or open

96
Q

Where should personnel with radios be position for trapped victims?

A

Equipment room

Floor elevator is stopped

97
Q

Name of elevator key?

A

Lunar key

98
Q

Where is hoist way access opening?

A

Upper right portion

99
Q

Typically doors will open of they are within?

A

18”

100
Q

What is a gib block?

A

Blocks on bottom of elevator doors that ride in tracks.

101
Q

How much do gib blocks cost?

A

Several dollars apiece

102
Q

When won’t cutting gib blocks work?

A

Top floor or between floors

103
Q

Emergency side exits are usually ___x ___

A

16”x5’high

104
Q

Blind shaft panels located where?

A

Same side as hoist way doors

105
Q

Escalator traveling 90 and 120 ft per min can carry ___ passengers per hour

A

5,000

106
Q

Forcible entry consists of 3 methods

A

Conventional-axe,halligan, bolt cutters

Through the lock-pulling out locking device

Power tool- saws, rabbit took

107
Q

Disadvantage if going through a window?

A

Smaller and restrict entry

108
Q

Windows are constructed of 3 basic components?

A

Frame- structural case or border which window is set into

Sash- surrounds and supports glazing

Glazing- glass or thermoplastic

109
Q

Which glass is least expensive?

A

Plate(annealed)

110
Q

Heat strengthened

A

Brakes into smaller shards

111
Q

Tempered glass

A

Heat treated

5 times stronger than plate glass

“Tempered” in lower corners

112
Q

Laminated glass

A

Layer of polyester film same hitched between two layers

113
Q

Four basic types of windows

A

Stationary

Sliding

Pivoting

Swinging

114
Q

Thickness of polyester window films

A

4.0mm

115
Q

What is ranch style windows?

A

Horizontal sliding windows

116
Q

Name of a hinged window?

A

Hopper

117
Q

A louver type window?

A

Awning/jalousie

118
Q

_____ windows consist of small sections about ____ inches wide.

A

Jalousie

4”

119
Q

Most difficult type window to open?

A

Jalousie

120
Q

Polycarbonate windows?

A

Lexan

121
Q

How many times stronger is lex an than safety glass?

A

250

122
Q

Jam?

A

Structural case border

123
Q

Strike?

A

Receives a deadbolt

124
Q

4 basic types of doors

A

Swinging
Sliding
Overhead
Revolving

125
Q

Hollow core

A

Solid wood frame

Wood strips or cardboard with wood veneer

126
Q

Metal doors may be?

A

Kalemine

Hollow

Overhead

127
Q

Hollow metal is what gauge?

A

14-16guage

128
Q

4 types of overhead

A

Rolling
sheet curtain
Sectional
Tilt up

129
Q

Sheet curtain door is?

A

Solid piece thin corrugated metal and is manually operated by winding on off a drum

130
Q

Metal clad door?

A

Kalemine

131
Q

Opening of walls?

A

Breaching

132
Q

Truck companies carry minimum of ___ft

A

115

133
Q

Metal ladders can suddenly fail at ___ degrees?

A

200 degrees

134
Q

How often should all ground ladders be visually inspected?

A

Monthly

135
Q

Average electrical service lines are __ volts?

A

120/240 volts

136
Q

Single family homes are commonly insulated to

A

600 volts

137
Q

To quickly achieve 70 degree climbing angle, the base of the ground ladder is normally placed ____ of the working height?

A

1/4

138
Q

When laddering a fire escape the ladder should extend ___ maximum above railings

A

1 ft

139
Q

Difference between a quad and a quint?

A

Complement of ground ladders

Truck Company Operations Mittendorph (7 decks)

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