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ISA Utility Specialist (Chapters 1-7)already graded A+ 2024/2025
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ISA Utility Specialist (Chapters 1-7)already graded A+ 2024/2025
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ISA Utility Specialist (Chapters 1-7)In the U.S., enforcement of safety work rules resides with: - ANSOccupational Safety & Health
Administration
(OSHA)
Utility pruning is the pruning of trees located in the vicinity of power lines for the purpose of
__________ __________ __________. - ANSensuring reliable service
A comprehensive vegetation management program should be __________ rather than reactive,
& based on principals of __________ vegetation management. - ANSproactive;
integrated
What is a volt? - ANSa unit of electrical force
Major storms or __________ weather events are the usual cause of power outages over large
areas. - ANScatastrophic
Without __________, messages can have multiple meanings. - ANScontext
ISA BMPs provide a practical guide for implementing __________ __________. - ANSindustry
standards
Electrical resistance determines how much __________ is required to move electricity along a
conductor and is measured in __________. - ANSenergy;
ohms
When communicating, a person's experience & __________ will influence how the person
reacts. - ANSperceptions
Crew mobilization for a storm event is much more rapid from a __________ status. -
ANSstandby
NERC standards are specific to what line voltages? - ANS200 kV & above
An important first step in any vegetation management program should be to asses system
conditions, which is often done through an __________. - ANSinventory
Which type of cuts are less unacceptable? - ANSinternodal 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
__________. - ANSact;
condition
A conductor carrying more than __________ volts would be considered a NERC line. -
ANS200,000
Communication is both verbal & nonverbal. When a customer is confronted with contradictory
information, the person will usually believe the __________ message. - ANSnonverbal
Voluntary safety standards for pruning, trimming, repairing, maintaining & removing trees, &
cutting brush: - ANSANSI Z133
NERC standards require the reporting of all tree caused outages by __________ categories -
ANSthree
A traditional cycle will schedule maintenance __________ trees grow into conductors. -
ANSbefore
Which type of cuts are more acceptable? - ANSnodal 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. - ANStwo-minute
According to ANSI Z133, the minimum approach distance for persons other than qualified
line-clearance arborists for 50 kV & less is __________. - ANS10 feet
Trees growing into contact with a single-phase distribution conductor pose __________ threat of
a tree-ground fault. - ANSlittle
Where should the final cut be made for proper utility pruning? - ANSjust outside of the branch
bark ridge and the branch collar
A vegetation management scheduling unit may be an entire __________ or a __________
__________. - ANScircuit;
geographical area
2 examples of protective equipment: - ANScircuit breakers
lightning receptors
On a storm site, cutting should not begin until all risks have been assessed & the __________
approach has been decided & adopted. - ANSsafest
,Actively __________ can facilitate understanding a customer's perceptions and demonstrate the
utility representative's sincere interest in a customer. - ANSlistening
As clearance work progresses, __________ between crews & dispatcher is critically important
to determine locations of downed or damaged lines. - ANScommunication
__________ negotiation uses the best aspects from both hard & soft bargaining. -
ANSinterest-based
An energized wire or conductor in a circuit is also known as a __________. - ANSphase
Fast-growing, problem species are sometimes known as __________ __________. - ANScycle
busters
Flush cuts damage which tissues? - ANSthe trunk
Clearing for a new distribution line is likely to be paid for by a __________ budget. - ANScapital
Surface temperatures at the point of contact with high voltage can reach __________ degrees
F. - ANS1,000
__________ __________ occurs when someone touches an energized fixture. __________
__________ can occur when a person touches a conductive object that is in contact with an
energized fixture. - ANSdirect contact;
indirect contact
A grid-based scheduling system is most likely to be used by highly __________ utilities. -
ANSurbanized
Why is utility pruning done? - ANSto maintain safety and rights-of-way
Reactive maintenance is often called __________. - ANShotspotting
True or False?
Guy wires are intended to help support poles but may become unintentionally energized. -
ANStrue
One of the highest personal risks in a storm is __________. - ANSfatigue
When trying to negotiate mutually agreeable solutions & gain commitment based on customer
interests, the focus should be on __________, no on specific individuals. - ANSissues
, A __________ is similar to a fuse or cutout, but it resets after a predetermined time period. -
ANSre-closer
Always consider that all lines are __________. - ANSenergized
Tree replacement programs are an important aspect of many utility customer relations programs
& focus on selecting: - ANSthe 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. - ANSutility lines & equipment
A challenge with grid-based scheduling is that circuits may traverse many grids, allowing for a
variety of __________ __________. - ANStree conditions
The difference in voltage between two objects someone simultaneously touches: - ANStouch
potential
Which type of pruning encourages the growth of branches away from the wires? -
ANSdirectional pruning
Minimum working distances for qualified line-clearance arborists are specified in the
__________ safety standard. - ANSANSI Z133
The sound of a running home generator should alert crews to the possibility of __________. -
ANSbackfeed
Measuring customer satisfaction by the number of __________ received is a very reactive
approach to customer relations. - ANScomplaints
Ideally, TGRs should be applied when a tree is actively growing & __________-__________
months before pruning takes place. - ANS2-3
What is the maximum amount of foliage that should be removed in one growing season? -
ANS25%
(this is according to ANSI A300)
The most expensive way to schedule work is: - ANShotspotting
__________ __________ is the difference in voltage on the ground between two of a person's
body parts near where electricity goes into the ground. - ANSstep potential
A energized human body, tree, or climbing rope are all examples or __________ contact -
ANSindirect
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