Ch. 2. Vegetation Management

Question 0

A method of applying herbicides in which they are spread over a wide area and not aimed at specific plants or locations

Answer 0

Broadcast application

Question 1

Application of herbicides mixed with penetrating oil to the lower 12 to 15 inches of the main stems.

Answer 1

Basal bark application

Question 2

A term used to describe the brown appearance of dead foliage following the application of a herbicide

Answer 2

Brownout

Question 3

CAIDI

Answer 3

Customer average interruption duration index

Question 4

CML

Answer 4

Customer minutes lost

Question 5

Vegetation that has recently been mowed and before regrowth

Answer 5

Cut stubble

Question 6

A method of placing herbicide on stumps immediately after cutting so that the herbicide is absorbed and translocated to the roots

Answer 6

Cut-surface application

Question 7

The length of time between each maintenance pruning for a given circuit or area

Answer 7

Cycle

Question 8

Fast growing trees that need to be pruned more frequently than the set cycle

Answer 8

Cycle busters

Question 9

Plants that do not grow to heights that would cause them to impact the conductors and that may suppress the establishment of undesirable plants under conductors

Answer 9

Desirable vegetation

Question 10

Applying herbicide to specific plants or parts of plants

Answer 10

Directed application

Question 11

Electricity lines that carry the power that is to be delivered to customers

Answer 11

Distribution lines

Question 12

Conductors through which electricity is flowing

Answer 12

Energized conductors

Question 13

Machines designed to cut vegetation by means of a moving blade, chain, or other cutting device

Answer 13

Flail-type cutters

Question 14

The leaves of a plant

Answer 14

Foliage

Question 15

Application of a fertilizer or other substance by direct spray on the foliage

Answer 15

Foliar application

Question 16

A plant growth substance that controls cell elongation

Answer 16

Gibberellin

Question 17

A tree whose condition is such that it could fail and cause damage to conductors or other hardware

Answer 17

Hazard tree

Question 18

Chemical compounds that kill vegetation

Answer 18

Herbicides

Question 19

Lines with voltages greater than a specified amount, depending on the utility; typically in excess of 480 Volts

Answer 19

High voltage lines

Question 20

A process by which limited tree work is scheduled on a specific area of the network wear shorts or outages are occurring

Answer 20

Hotspotting

Question 21

The machinery used to transmit and distribute electricity, including poles, towers, conductors, transformers, substation, etc.

Answer 21

Infrastructure

Question 22

A process in which vegetation is pruned or removed using a variety of combination of methods including pruning, herbicides, mowing, and biological control

Answer 22

Integrated vegetation management (IVM)

Question 23

A list of trees and vegetation present on the system

Answer 23

Inventory

Question 24

The description of the active ingredients, dilution, and rates of application of herbicides and the uses to which they can be put

Answer 24

Label

Question 25

The measure of electrical potential, which is not greater than 1000 V between phases

Answer 25

Low voltage lines

Question 26

Loss of electricity supply for small amounts of time that result from the fuses opening and closing again as a result of the voltage changes not large enough to completely shut down the power

Answer 26

Momentary interruptions

Question 27

The management of trees and vegetation on the overhead lines following a survey or assessment of the problems and scheduling maintenance before vegetation causes any interruptions

Answer 27

Preventative or proactive maintenance

Question 28

Management of trees and vegetation in response to interruptions caused by vegetation

Answer 28

Reactive or corrective maintenance

Question 29

A method to minimize Tree-caused outages by conducting a detailed analysis of the system, vegetation conditions, outage history, infrastructure, and other factors, and identifying a range of preventative maintenance tasks that have the potential to provide greater reliability and cost efficiency then pruning and removal alone

Answer 29

Reliability-centered management (RCM)

Question 30

Area of land under and just adjacent to overhead conductors over which the utility has a negotiated right to enter and maintain vegetation when required

Answer 30

Right-of-way (ROW)

Question 31

A single or multi blade arrangement that rotates horizontally and cuts or shreds the education

Answer 31

Rotary cutting head

Question 32

A measure of the number of interruptions that occur on a utility's system

Answer 32

System average interruption frequency index (SAIFI)

Question 33

Directing herbicides specifically at target (undesirable plants) leaving desirable plants untreated so that they remain

Answer 33

Selective application

Question 34

Herbicides that are predominantly effective on certain plant species, typically the undesirable ones, leaving low growing desirable plants unaffected

Answer 34

Selective herbicides

Question 35

A method of applying herbicides or tree growth regulators to trees through the soil by excavating a shallow trench in the soil around the base of the trunk and pouring the compound into the trench

Answer 35

Soil drench application

Question 36

A method of applying herbicides or tree growth regulators to trees through the soil via injection directly into the root zone

Answer 36

Soil injection application

Question 37

Decay, points of weakness such as poor branch attachment, and/or large regrowth from an old topping point, and large deadwood throughout the crown of the tree

Answer 37

Structural defects

Question 38

A method to determine vegetation conditions throughout the system

Answer 38

Survey

Question 39

Any object that may be damaged or hit by a tree

Answer 39

Target

Question 40

Conductors used to transmit electricity from the generation station (SUB) to the distribution network that usually carry voltages in excess of 100,000 volts

Answer 40

Transmission lines

Question 41

A chemical that can be applied to trees that slows extension growth by shortening cell elongation

Answer 41

Tree growth regulator (TGR)

Question 42

The control of wanted and unwanted vegetation on utility right-of-way for various objectives

Answer 42

Vegetation management

Question 43

A comprehensive utility vegetation management program should be _______rather than reactive and based on principles of ________vegetation management.

Answer 43

Proactive, integrated

Question 44

An important first step in any vegetation management program should be to assess system conditions, which is often done through and________.

Answer 44

Inventory

Question 45

A traditional cycle will schedule maintenance _______trees grow into the conductors.

Answer 45

Before

Question 46

A vegetation management scheduling unit may be an entire _____or geographic_____.

Answer 46

Circuit, area

Question 47

Fast-growing, problem species are sometimes known as______.

Answer 47

Cycle busters

Question 48

Reactive maintenance is often called

Answer 48

Hotspotting

Question 49

Utility _____and _____would be considered targets if a structurally weak tree were on or close to the utility right of way

Answer 49

Lines, equipment

Question 50

Ideally, TGRs should be applied when a tree is actively growing and ____to____months before pruning takes place.

Answer 50

2,3

Question 51

Besides pruning, _____and______ treatments are often part of an integrated vegetation management program

Answer 51

Mechanical, herbicide

Question 52

Vegetation can be chemically controlled in a selective manner with either a _____selective or a ______selective

Answer 52

Herbicide, application

Question 53

Mowing often causes:

Answer 53

Increased woody stem count

Question 54

Leaning trees should be viewed as:

Answer 54

Potential hazards requiring further investigation

Question 55

Which utility right of way herbicide application practice is most appropriate for brush control in areas with sensitive public relations issues?

Answer 55

Basal treatment

Question 56

Mobilizing crews for herbicide work is easiest when they utilize:

Answer 56

Backpack sprayers

Question 57

Preventing vegetation caused outages receives highest priority on:

Answer 57

Transmission circuits