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ISA Utility Specialist (Chapters 1-7)

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ISA Utility Specialist (Chapters 1-7) In the U.S., enforcement of safety work rules resides with: - CORRECT ANSWER Occupational Safety & Health Administration (OSHA) Utility pruning is the pruning of trees located in the vicinity of power lines for the purpose of __________ __________ __________. - CORRECT ANSWER ensuring reliable service A comprehensive vegetation management program should be __________ rather than reactive, & based on principals of __________ vegetation management. - CORRECT ANSWER proactive; integrated What is a volt? - CORRECT ANSWER a unit of electrical force Major storms or __________ weather events are the usual cause of power outages over large areas. - CORRECT ANSWER catastrophic Without __________, messages can have multiple meanings. - CORRECT ANSWER context ISA BMPs provide a practical guide for implementing __________ __________. - CORRECT ANSWER industry standards Electrical resistance determines how much __________ is required to move electricity along a conductor and is measured in __________. - CORRECT ANSWER energy; ohms When communicating, a person's experience & __________ will influence how the person reacts. - CORRECT ANSWER perceptions Crew mobilization for a storm event is much more rapid from a __________ status. - CORRECT ANSWER standby NERC standards are specific to what line voltages? - CORRECT ANSWER 200 kV & above

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ISA Utility Specialist (Chapters 1-7)
In the U.S., enforcement of safety work rules resides with: - CORRECT ANSWER
Occupational Safety & Health Administration
(OSHA)

Utility pruning is the pruning of trees located in the vicinity of power lines for the purpose
of __________ __________ __________. - CORRECT ANSWER ensuring
reliable service

A comprehensive vegetation management program should be __________ rather than
reactive, & based on principals of __________ vegetation management. - CORRECT
ANSWER proactive;
integrated

What is a volt? - CORRECT ANSWER a unit of electrical force

Major storms or __________ weather events are the usual cause of power outages
over large areas. - CORRECT ANSWER catastrophic

Without __________, messages can have multiple meanings. - CORRECT
ANSWER context
ISA BMPs provide a practical guide for implementing __________ __________. -
CORRECT ANSWER industry standards
Electrical resistance determines how much __________ is required to move electricity
along a conductor and is measured in __________. - CORRECT ANSWER
energy;
ohms

When communicating, a person's experience & __________ will influence how the
person reacts. - CORRECT ANSWER perceptions

Crew mobilization for a storm event is much more rapid from a __________ status. -
CORRECT ANSWER standby

NERC standards are specific to what line voltages? - CORRECT ANSWER 200
kV & above

,An important first step in any vegetation management program should be to asses
system conditions, which is often done through an __________. - CORRECT
ANSWER inventory

Which type of cuts are less unacceptable? - CORRECT ANSWER internodal cuts
(e.g. topping)

A worker neglecting to wear cut-resistant chaps while operating a chainsaw is
committing an unsafe __________, while an employer failing to provide chaps is
creating an unsafe __________. - CORRECT ANSWER act;
condition

A conductor carrying more than __________ volts would be considered a NERC line. -
CORRECT ANSWER 200,000
Communication is both verbal & nonverbal. When a customer is confronted with
contradictory information, the person will usually believe the __________ message. -
CORRECT ANSWER nonverbal
Voluntary safety standards for pruning, trimming, repairing, maintaining & removing
trees, & cutting brush: - CORRECT ANSWER ANSI Z133

NERC standards require the reporting of all tree caused outages by __________
categories - CORRECT ANSWER three

A traditional cycle will schedule maintenance __________ trees grow into conductors. -
CORRECT ANSWER before

Which type of cuts are more acceptable? - CORRECT ANSWER nodal cuts
(e.g. drop-crotch, thinning)

The __________-__________ rule suggests that workers should take time before
starting a job to check for potentially unsafe conditions & discuss them. - CORRECT
ANSWER two-minute

According to ANSI Z133, the minimum approach distance for persons other than
qualified line-clearance arborists for 50 kV & less is __________. - CORRECT
ANSWER 10 feet

Trees growing into contact with a single-phase distribution conductor pose __________
threat of a tree-ground fault. - CORRECT ANSWER little

Where should the final cut be made for proper utility pruning? - CORRECT
ANSWER just outside of the branch bark ridge and the branch collar

,A vegetation management scheduling unit may be an entire __________ or a
__________ __________. - CORRECT ANSWER circuit;
geographical area

2 examples of protective equipment: - CORRECT ANSWER circuit breakers
lightning receptors

On a storm site, cutting should not begin until all risks have been assessed & the
__________ approach has been decided & adopted. - CORRECT ANSWER
safest

Actively __________ can facilitate understanding a customer's perceptions and
demonstrate the utility representative's sincere interest in a customer. - CORRECT
ANSWER listening
As clearance work progresses, __________ between crews & dispatcher is critically
important to determine locations of downed or damaged lines. - CORRECT
ANSWER communication

__________ negotiation uses the best aspects from both hard & soft bargaining. -
CORRECT ANSWER interest-based

An energized wire or conductor in a circuit is also known as a __________. -
CORRECT ANSWER phase
Fast-growing, problem species are sometimes known as __________ __________. -
CORRECT ANSWER cycle busters

Flush cuts damage which tissues? - CORRECT ANSWER the trunk

Clearing for a new distribution line is likely to be paid for by a __________ budget. -
CORRECT ANSWER capital

Surface temperatures at the point of contact with high voltage can reach __________
degrees F. - CORRECT ANSWER 1,000

__________ __________ occurs when someone touches an energized fixture.
__________ __________ can occur when a person touches a conductive object that is
in contact with an energized fixture. - CORRECT ANSWER direct contact;
indirect contact

A grid-based scheduling system is most likely to be used by highly __________ utilities.
- CORRECT ANSWER urbanized

, Why is utility pruning done? - CORRECT ANSWER to maintain safety and rights-
of-way

Reactive maintenance is often called __________. - CORRECT ANSWER
hotspotting

True or False?
Guy wires are intended to help support poles but may become unintentionally
energized. - CORRECT ANSWER true

One of the highest personal risks in a storm is __________. - CORRECT ANSWER
fatigue

When trying to negotiate mutually agreeable solutions & gain commitment based on
customer interests, the focus should be on __________, no on specific individuals. -
CORRECT ANSWER issues
A __________ is similar to a fuse or cutout, but it resets after a predetermined time
period. - CORRECT ANSWER re-closer

Always consider that all lines are __________. - CORRECT ANSWER energized

Tree replacement programs are an important aspect of many utility customer relations
programs & focus on selecting: - CORRECT ANSWER the right tree for the right
place

If a structurally weak tree were on or close to the utility right-of-way, __________
__________ & __________ would be considered targets. - CORRECT ANSWER
utility lines & equipment

A challenge with grid-based scheduling is that circuits may traverse many grids,
allowing for a variety of __________ __________. - CORRECT ANSWER tree
conditions

The difference in voltage between two objects someone simultaneously touches: -
CORRECT ANSWER touch potential

Which type of pruning encourages the growth of branches away from the wires? -
CORRECT ANSWER directional pruning

Minimum working distances for qualified line-clearance arborists are specified in the
__________ safety standard. - CORRECT ANSWER ANSI Z133

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