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Apprenticeship > Transmission wage progression > Flashcards

Transmission wage progression Flashcards

1
Q

Cribbing is used to…….

A

Spread the strain over a large area

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2
Q

How must you rig on a tower when raising and lowering conductor?

A

Rig to the cage or leg first

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3
Q

When using a wire rope sling on objects with sharp edges, you must _________

A

Install padding to protect the wire rope from sharp edges

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4
Q

Typing a knot in a wire rope sling is ________

A

Never allowed

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5
Q

Grading rings are used to __________

A

Prevent corona noise and to protect the insulators rubber material from damage caused by high voltage stress.

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6
Q

How are alloy steel chain slings marked?

A

The size grade and rated capacity are listed on a permanently affixed, durable identification tag.

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7
Q

When you are setting up rigging on steel towers, wooden blocks are commonly used for ______

A

Cribbing

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8
Q

You are stringing a 1k span of conductor, and your current tension is 6,800 lbs, what will happen to the sag if you decrease the tension.

A

The sag will increase

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9
Q

What is the minimum anchorage for a tower?

A

A 2” x 2” angle iron, it must be secured by two 1/2” bolts or one 5/8” bolts

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10
Q

You are lifting a set of suspension insulators into position with a 1/2-inch Spec No. 1-1 rope. The insulators weigh 350 pounds and the rope has a working load limit of 800 pounds. The lift is going smoothly, but when the insulators are almost in the correct position, the rope breaks dropping the insulators to the ground. When the rope is examined, it appears to have damaged sometime before this job. Which of the following conditions most likely caused the accident?

A

Using worn or abused equipment

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11
Q

What should you do when a chain has a link that is not moving freely within an adjacent link?

A

Immediately remove the chain from service

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12
Q

Non-ceramic (or polymer) insulators should be stored _________

A

In a dry, clean area

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13
Q

What must you look for when inspecting a temporary pole-mounted work platform (diving board)?

A

Cracks, loose bolts, and missing keepers

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14
Q

When climbing to a work location on a latticed metal pole, what climbing technique should you see?

A

Climb maintaining three points of contact at all times

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15
Q

Complete the following sentence with the best answer. Grounding tailboard form is used to document the grounding scheme to be followed…….

A

For every job requiring protective grounding

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16
Q

What is the maximum load capacity of a temporary pole-mounted work platform (diving board)?

A

One person, with a maximum load of 500 pounds

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17
Q

You are working on a kingpin insulator on a wooden pole, what type of fall arrest system must you use?

A

12 ft shock absorbing lanyard

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18
Q

Complete the following statement with the correct answer. Protective grounding…….

A

Proves the circuit de-energized at the worksite

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19
Q

You are stringing a 1000 ft span of conductor. You decide to decrease the sag by 14 inches. What will happen to the tension in this case?

A

The tension increases

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20
Q

How is the working load limit of a hook affected when the load is off center in the hook?

A

The working load limit is reduced

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21
Q

When inspecting hardware (metal) on your FRE what are you not looking for?

A

Cuts and tears

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22
Q

When using a wire rope along on an object with sharp edges, you must _________

A

Install padding to protect wire rope from sharp edges

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23
Q

MWD for 480 volts

A

12”

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24
Q

What kind of clothing do you wear while operating solid blade 3 fused disconnects

A

DLFR

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25
Q

MWD for 500kv

A

135”

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26
Q

What is not true about non-ceramic insulators

A

Non-ceramic or polymer insulators are stronger and not as fragile

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27
Q

Which conductors do you ground first?

A

Lowest or nearest

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28
Q

When cleaning non-ceramic insulators, what pressure and how far away?

A

Min of 10 ft and 600 psi

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29
Q

What gloves do you wear when working with 50-300 volts

A

00 gloves

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30
Q

230kv insulators…………

A

Get one 11” grading ring on the hot end

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31
Q

What happens when you decrease slings from 90 degrees to 30 degrees

A

Reduces by 50%

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32
Q

Grade 30=
Grade 43=
Grade 70=
Grade80=

A

30 proof coil
43 high test
70 transport
80 alloy

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33
Q

When do you use a diving board?

A

When all other means of access are impossible

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34
Q

What is the multiplier for 22kv xlp-pvc?

A

12

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35
Q

4” conduit and you’re pulling 1000 kcmil triplex

A

25%

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36
Q

How much insulation do you remove for #6-350 kcmil single set screw terminals?

A

2 1/4”

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37
Q

On a riser from top of U shaped molding to communication level measurement?

A

36”

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38
Q

After you train cable

A

Allow for sufficient slack for movement of elbow

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39
Q

What does the air tester not test for?

A

Helium

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40
Q

Calculation ?? Something about 60 degree bridal with two legs

A

It’s 3/8 wire sling

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41
Q

Grade 80 chain requires……

A

Permanently Fixed ID tag

42
Q

How do you tell block size?

A

Length of the shell

43
Q

When crossing over or under conductors energized in excess of 300 volts

A

Install rope nets

44
Q

Lindsey 6200/18

A

18”

45
Q

Kellum grip

A

WLL 1,300

46
Q

Hoist ? Supporting a ladder with a person

A

2550

47
Q

Before installing grounds

A

Install barriers

48
Q

How far does a down guy go from an arm?

A

8”

49
Q

Where do you find post type insulators with clamp type?

A

Table 6

50
Q

Short span urban max?

A

275 ft

51
Q

350 feet span at 25 degrees F

A

7.3

52
Q

ARC flash boundary 115kv

A

12 feet

53
Q

Eye splice reduces rope by

A

10%

54
Q

After climbing a tower/steel pole and you stop……

A

Hear it see it check it

55
Q

Question about having adjacent hot lines

A

Putting protective rubber

56
Q

Rule 708 in green book

A

Always put cover over the hole

57
Q

Choking wire rope reduces it by ______%

A

25%

58
Q

Fall arrest is good for ________ lbs?

A

5000

59
Q

What does not affect sag?

A

Corrosive environment

60
Q

Not a hazard nor do you need tailboards for?

A

Having a water discharge form

61
Q

Cross linked poly conductors are used in?

A

Hybrid circuits

62
Q

When storing insulators, put them on _______

A

Supporting plate that covers the distance of the whole insulator

63
Q

Make sure hot sticks are free of cracks and grease to prevent _______

A

Carbon tracking

64
Q

Approved chemicals on rubber devices?

A

Salcom and talcom powder

65
Q

What to look for when inspecting slings?

A

Missing rating tags

66
Q

Hazard with Wiggins voltage detector?

A

Other probe is always hot

67
Q

Loose hardware in panel?

A

Could create arc flashing or fire

68
Q

When using an extension ladder. How much should the ladders overlap each other?

A

3 feet

69
Q

When you are working on a dead end ladder and your hoist is supporting human load, what is your hoist good for?

A

85% of WLL of hoist

70
Q

When carrying non ceramic insulators make sure to keep ________

A

The bending of each end within 30 degrees of horizontal while carrying a long load

71
Q

What is the mwd of 115kv in single layer fr

A

48”

72
Q

When working on 115kv and your mwd is 40” what must you be wearing?

A

DLFR

73
Q

Which type of splice has a greater WLL for a wire rope sling used in the basket position?

A

Swaged

74
Q

What size wire rope sling do you need for weight between 3800-5800 in choker position?

A

5/8

75
Q

Which end should you attach the shock absorbing lanyard to?

A

Into the dorsal D-ring on your tower harness

76
Q

What is the model number for a swivel type 13 Miller with 1/4” wire rope?

A

BB-13

77
Q

What is the WLL of a strong block, Lindsey 6800/10H?

A

5,000 pounds

78
Q

Approved voltage for 120 volts?

A

114-126

79
Q

What is considered secondary?

A

600 volts and below

80
Q

Red tags are for

A

Secondary

81
Q

Location tags need……

A

Next sectionalizing device

82
Q

Picture of lead splice

A

Notify PIC

83
Q

When using extension ladder, be sure to overlap the two sections of ladder by……..

A

3 feet

84
Q

If rigging to raise conductor

A

You must rig to cage and the tower leg

85
Q

Multi point method include

A

Source grounds and personal grounds

86
Q

To be a qualified PG&E grounding observer, you must

A

Pass the PG&E grounding program

87
Q

Hazards when working transmission circuits that are adjacent/ and or parallel

A

Induced voltage

88
Q

What type of block do you need for a metal shell multi-sheave block when using 1/2” rope

A

4” block

89
Q

Two or more vehicles connected to a grounding scheme

A

Must be connected to a single bonding point

90
Q

WP2327-04 Chains must be inspected

A

Yearly

91
Q

Smallest shackle used to lift 10000 lbs.

A

7/8

92
Q

Testing 21kv de-energized but get a hot reading

A

Notify PIC, stop the job

93
Q

Grounding at your work location

A

Single point grounding

94
Q

4.2 grounding manual? Grounding 4 ACSR 21 kv with 115 overhead, what option do you use?

A

Option 1

95
Q

Operating a vehicle that has become energized

A

Do not connect an additional ground

96
Q

Bare minimum equipment used for barricades

A

4 cones

97
Q

1500’ span length for 1113 AAC Marigold conductor, and you have to figure out what size hoist is required to lift conductor

A

Weight is 1567.5 lbs. and requires a 1 ton hoist

98
Q

How far should you place barricades from grounded vehicles/ equipment

A

A minimum of 10’

99
Q

What statement is true regarding personal grounds

A

Personal grounds do not need to be rated for fault duty

100
Q

What is PG&E responsibilities for underground transmission circuits

A

Checking pressures and inspecting lines

101
Q

What type of grounding is required on a hybrid underground transmission circuit

A

EPZ grounding

102
Q

What is the definition of fault duty

A

The maximum amount of energy available in a circuit

Apprenticeship (7 decks)

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