Transmission Class Flashcards

1
Q

These underground transmission circuits carry 115kV of electricity

A

High-pressure gas-filled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

These types of underground transmission circuits carry 230kV of electricity

A

High-pressure oil-filled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

This Circuit starts and ends at a substation

A

Hybrid circuit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Cross-linked polyethylene (XLPE) conductors are used in which circuit type?

A

Hybrid circuits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the three types of underground transmission circuits?

A

Hybrid
High-pressure has-filled
High-pressure oil-filled

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the four components of every fall protection system?

A

Body support
Connectors
Anchorage
Rescue plan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

85% of WLL of the hoist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

When climbing a tower and you stop, what should you do?

A

Immediately attack work positioning strap and/or shock absorbing lanyard adjusted as short as possible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

When you basket a wire rope sling and you reduce the angle from 90 to 30 degrees, what does it do to the WLL of the sling?

A

Reduces the WLL by 50%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

When cleaning non ceramic insulators with a pressure washer, what’s the max pressure allowed, and what distance must you be away from insulator?

A

600psi, 10’ away

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

When Carrying non-ceramic insulators make sure to keep _________?

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is MWD of 115kv in single layer fr?

A

48”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

When working on 115kv and your MWD is 40”, what do you have to be in?

A

DLFR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is your arc flash boundary on 115kv?

A

12’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How far should you place barricades from grounded vehicles?

A

Minimum of 10’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What statement is false about non-ceramic insulators?

A

They are stronger, and not as fragile as porcelain insulators

17
Q

Which type of splice has a greater WLL for a wire rope sling in the vertical basket position: hand tucked, mechanical, or swaged?

A

Swaged

18
Q

According to TD – 1009P – 01, if you cannot maintain tension in work positioning strap, what must you do?

A

attach to the structure with the fall arrest lanyard adjusted as short as possible

19
Q

Which end should you attach the shock absorbing lanyard to?

A

Into the dorsal D ring on back of harness

20
Q

If you are stringing wire within 20 feet of an energized circuit what must you do?

A

Install rope nets or guard structures. Cut out reclosing relay (nontest)

21
Q

Which type of splice on a 1” vertical wire rope sling has the highest WLL?

A

Swaged (8.4)

22
Q

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

A

5000 lbs

23
Q

Assuming that the workers or energize conductors are not isolated or insulated, what must be installed when crossing over or under conductors energized in excess of 300 volts?

A

Rope nets or guard structures

24
Q

What must you look for when inspecting a temporary pole mounted work platform?

A

Cracks, loose bolts, missing keepers, and clean insulation points

25
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

26
Q

When must a grounding Tailboard form be filled out?

A

For every job requiring protective grounding

27
Q

What is the maximum load capacity of a temporary pole mounted work platform?

A

One person, with a maximum load of 500 pounds

28
Q

You are working on a king pin insulator on a wooden pole, and you know that you must implement an approved fall arrest system. Which one of the following devices is appropriate if you are working above your anchor point and may be subjected to a free fall greater than 6 feet?

A

12’ shock absorbing lanyard