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Dan2024 Study > construction > Flashcards

construction Flashcards

1
Q

Aerial coaxial cable requires this support in a manner similar to the
messenger drop cable

A

Lashing wire

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2
Q

Thin wire wrapped around the fiber and coaxial cables to secure
them to the strand

A

Lashing wire

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3
Q

Strand comes in these two sizes

A

1/4” and 3/8”

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4
Q

The strand is coated with this material

A

Zinc

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5
Q

A steel support wire to which the coaxial and fiber optic cables are
lashed in aerial installations

A

Strand

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6
Q

Ultimate breaking point on 1/4”” inch stand

A

3900 lbs

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7
Q

Breaking point on 3/8 stand

A

6900 lbs

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8
Q

This is used to attach the end of the lashing wire to the stand

A

Bug Nut (Lashing wire clamp)

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9
Q

This is used at locations where the cable is not attached to the
strand by the lashing wire

A

Straps and spacers

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10
Q

Expansion loop how far is the straps and spacer place from the
expansion loop

A

4 inches

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11
Q

loop intentionally formed in the cable to compensate for expansion and contraction cause by temperature changes

A

Expansion loop

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12
Q

This is used to counteract the horizontal component of forces
placed on poles by the strand and cables

A

Guy and anchor

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13
Q

Strand that connects the pole line hardware to the anchor

A

Guy

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14
Q

Buried metal device used to transfer force from the pole to the
ground

A

Anchor

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15
Q

Minimal height Pole to stub guy

A

8 feet

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16
Q

is a yellow plastic cover used to protect the guy wire and to make
it more visible

A

Guy wire guard

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17
Q

How many different types of guys are there

A

8

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18
Q

This is the general name for the guy wire and associated hardware
on all guys

A

Down Guy

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19
Q

This type of guy are placed inline with the strand routing

A

Head Guy

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20
Q

This type of guy is used when the strand changes directions

A

Side Guy

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21
Q

This type of guy are used at the end of the pole lines

A

Terminal guy

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22
Q

Are used to establish clearance for the guys

A

Pole to stub Guy

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23
Q

This type of utilizes as in-line pole as an anchor

A

Pole to stub Guy

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24
Q

Attachment to the pole being used as an anchor should not
exceed how many feet from the base of the anchor pole

A

8

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25
Q

Uses a horizontal strut to provide overhead clearance when a
head guy causes a hazard to traffic beneath the guy

A

Sidewalk Guy

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26
Q

Used when a straight pole line is subjected to extreme sideward
forces

A

Storm Guy

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27
Q

This is used to transfer the horizontal stresses from the pole to the
ground

A

Anchors

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28
Q

This type of anchor is directly torqued into the ground with a power
anchor drive

A

Screw anchor

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29
Q

This type of anchor is designed for use in soft soil where the screw
anchors are less effective

A

Never-creep anchor

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30
Q

Are designed to expand in holes bored in concrete or rock

A

Rock anchors

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31
Q

connects the anchor and the guy wire

A

Anchor rods

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32
Q

Constructing the aerial portion of the network involves these 2
steps

A

strand system must be tensioned properly, cable must be lashed
onto the strand

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33
Q

This tool allows the strand that is being pulled into place to move
in only one direction, which is the direction of the stand pull

A

Strand Brake

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34
Q

Used to lift cable blocks and strand

A

Wire raising tool

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35
Q

This is used to prevent unwanted pay-off of strand from the cable
trailer or reel strand

A

Reel brakes

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36
Q

his will prevent the strand from sagging into pedestrian or vehicular right of ways while the stand is being pulled

A

Reel brakes

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37
Q

These are portable bonding connections installed at the location
where the strand is spooled from the cable trailer or reel stand

A

Traveling Grounds

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38
Q

Installation of pole hardware allowing for hanging of strand

A

Framed

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39
Q

This method is installed by mounting the reel to a vehicle and
driving the vehicle from pole to pole

A

Moving Reel method

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40
Q

This is used to bend expansion loops into coaxial cable prior to
lashing

A

Mechanical Bender

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41
Q

This is used to measure the pulling tension applied to cables

A

Dynamometer

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42
Q

This tool is used to ensure that cables are not over-tensioned
during pulling

A

Breakaway swivel

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43
Q

This bracket is used to support 45 and 90 degrees corner blocks
at mid span

A

Set-Up bracket

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44
Q

Device is used to push equipment ahead of a pulled lasher

A

Cable block pusher

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45
Q

The two methods of cable placement and strand

A

stationary reel and moving reel

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46
Q

Impedance is measured in this

A

ohms

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47
Q

This is the tension in the cable cause by the mass of cable on the
reel and reel brake

A

Tail loading

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48
Q

This means that the cable is not under tension

A

Unloaded condition

49
Q

Cable is under the maximum allowable pulling tension and is being
bent simultaneously

A

Loaded condition

50
Q

The mechanical bender must remain in position until the lasher is
transferred and the next span of cable is lashed how many feet to
the next pole

A

50 ft or 1/3 distance

51
Q

Expansion loops should be formed on this side of every pole for
all sizes of coaxial cable

A

Output side

52
Q

The loop location is dictated by the direction of the feeder cable

A

Feeder Dominant

53
Q

When the loop location is dictated by the signal flow direction of
the feeder cable

A

Feeder Dominant

54
Q

Straps are installed at a minimum from the end of any bend in the
cable

A

4 inches

55
Q

When is it necessary to install two expansion loops on each pole

A

IF a span is 250 ft or greater

56
Q

Input and output expansion loops exist at all turn and corners of
this, in degrees

A

45 and 90

57
Q

Is when two perpendicular strands end at the same pole

A

Double dead ended

58
Q

Use a cable block on a strand, range in feet

A

30-50 ft

59
Q

Place corner block at all corners that exceed how many degrees

A

30

60
Q

Cabe tails must be at a minimum how long

A

3 ft

61
Q

stationary motor-driven or hand powered machine used for hoisting or hauling a drum around which is wound a rope or chain
attached to the load being moved

A

Winch

62
Q

cable line which branches off a main line or feeder

A

Tap

63
Q

At what distance do you stop the lasher from the pole

A

6 ft

64
Q

are taps that deliver higher signal level than would used to feed a
single family unit

A

hot Tap

65
Q

is a protective covering for hardline cable, typically made from
galvanized steel or plastic that is placed over the exposed cable
where it makes the transition from aerial to underground

A

Riser Guard

66
Q

Conduit for underground drops must be buried at this minimum
depth

A

8 inches

67
Q

underground drops must have protection above ground at this
minimum height, at the service enclosure

A

4 ft

68
Q

Underground drops must have protection at the pole must be
protected at this minim height

A

8 ft

69
Q

What is the best way to clean your cable tools with

A

citrus-based cleaning products

70
Q

White

A

Proposed Excavation

71
Q

Red

A

Electric Power lines

72
Q

Blue

A

Potable Water

73
Q

Orange

A
74
Q

Purple

A

Reclaimed Water

75
Q

This is accomplished by cutting the trench and remove the soil in
a single action

A

Trenching

76
Q

A highly visible tape usually used when burying cable, directly
above the cable to point out the existence of the cable to anyone
digging

A

Warning Tape

77
Q

Minimum depth for joint trenching

A

24 inches

78
Q

Minimum depth for CATV

A

24 inches

79
Q

Minimum depth fiber innerduct underground

A

36 inches

80
Q

Vibratory plowing requires a tube at least how many inches larger
than the largest cable size and a radius of

A

1/2 inch , 12 inches

81
Q

machines utilized to push a drill stem to make an adequate cable
passage

A

Convectional boring

82
Q

is accomplished by using a steerable drill stem

A

Directional boring

83
Q

Fiber optic cables can be ordered in lengths up to

A

8.6 miles

84
Q

One of the biggest risks when working around excavation or
trenches is this

A

Cave-ins

85
Q

is any man-made cut, cavity trench or depression in the earths
surface formed by earth removal

A

Excavation

86
Q

is a light weight portable, easy to install and very popular

A

shoring system

87
Q

is the process of removing soil to prevent cave-ins

A

Sloping

88
Q

protects workers within the confines of the barrier

A

Shield system

89
Q

Any trench greater than this depth must have a safe means to get
in and out of the trench

A

4 ft

90
Q

method of protecting workers from cave-ins by excavating the
sides of an excavation to form one or a series of levels

A

benching

91
Q

This type of ladder are not permitted in a trench for an exit

A

step ladders

92
Q

This determines the maximum allowable slope

A

soil type

93
Q

Excavations greater than this depth require protective systems

A

4ft

94
Q

Ladder must extend a minimum of this many feet above the
landing

A

3ft

95
Q

Collected earth/soil displaced by excavation

A

spoil pile

96
Q

at a minimum spoil piles must be this far from the edges of the
excavation

A

2ft

97
Q

any means to an exit should not require no more than this distance
of lateral travel

A

25 ft

98
Q

This is the most common protective system and often the most
cost effective way to protect employees from potential trenching
hazards

A

Sloping

99
Q

Box shaped sheathing made of wood or steel permanently braced
across a trench for excavation or pipe laying preventing sidewall
cave in during trenching

A

trench box

100
Q

Figure eight pattern set up two traffic cones how many feet apart,
range

A

10 - 15 ft

101
Q

blowing or jetting coaxial cable can be pushed through how many
90 degree sweeps and over how much distance

A

7-8, 1500 ft

102
Q

Blade can be raised how many inches over a 5 foot run

A

8 inches

103
Q

What is the minimum distance apart CATV and Power lines must
be separated underground

A

12 inches

104
Q

Warning tape must be buried at this depth during the backfill
process

A

12 inches

105
Q

List the three methods of underground cable methods

A

Trenching, Boring, Vibratory Plowing

106
Q

Green

A

Sewage

107
Q

Yellow

A

Gas

108
Q

This program helps prevent unintentional damage to underground
utility lines for projects that involve digging, trenching, or excavation

A

One-call

109
Q

Pink

A

Temporary Service Markings

110
Q

ANSI code, outlines marking colors used on safety signs, labels,
and tags, among other functions

A

Z535.1

111
Q

This one-call program exist for the purpose of preventing utility
damage when digging, trenching

A

8-1-1 hotline

112
Q

Permanent aerial attachment hardware used to support cable as
it is pulled from the wheel

A

pole mount cable block

113
Q

Double lashing is necessary when this occurs

A

two or more cable, trunk cables, at street and RR crossings

114
Q

is a pipe usually made of PVC and used to house cable and
protect it from dirt, moisture, and outside forces

A

Conduit

115
Q

The ends of the cable left at the pole for splicing

A

Cable tail

116
Q

The resistance of a circuit to alternating current

A

Impedance

117
Q

At the minimum the horizontal strut is placed at what height from
the ground beneath the strut

A

8 ft

118
Q

is a strand that connects the pole line hardware to the anchor

A

Guy wire

119
Q

Straps and spacer are placed how far apart from the lashing wire
clamp

A

8-10 inches

Dan2024 Study (47 decks)

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