Examen
ISA Utility Specialist (test bank Chapters 1-7)
ISA Utility Specialist (test bank Chapters 1-7)
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ISA Utility Specialist (test bank Chapters1-7) 2023-2024
In the U.S., enforcement of safety work rules resides with: - Occupational Safety &
Health Administration
(OSHA)
Utility pruning is the pruning of trees located in the vicinity of power lines for the purpose
of __________ __________ __________. - ensuring reliable service
A comprehensive vegetation management program should be __________ rather than
reactive, & based on principals of __________ vegetation management. - proactive;
integrated
What is a volt? - a unit of electrical force
Major storms or __________ weather events are the usual cause of power outages
over large areas. - catastrophic
Without __________, messages can have multiple meanings. - context
ISA BMPs provide a practical guide for implementing __________ __________. -
industry standards
Electrical resistance determines how much __________ is required to move electricity
along a conductor and is measured in __________. - energy;
ohms
When communicating, a person's experience & __________ will influence how the
person reacts. - perceptions
Crew mobilization for a storm event is much more rapid from a __________ status. -
standby
NERC standards are specific to what line voltages? - 200 kV & above
An important first step in any vegetation management program should be to asses
system conditions, which is often done through an __________. - inventory
Which type of cuts are less unacceptable? - 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 __________. - act;
condition
A conductor carrying more than __________ volts would be considered a NERC line. -
200,000
Communication is both verbal & nonverbal. When a customer is confronted with
contradictory information, the person will usually believe the __________ message. -
nonverbal
Voluntary safety standards for pruning, trimming, repairing, maintaining & removing
trees, & cutting brush: - ANSI Z133
NERC standards require the reporting of all tree caused outages by __________
categories - three
A traditional cycle will schedule maintenance __________ trees grow into conductors. -
before
Which type of cuts are more acceptable? - 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. - two-minute
According to ANSI Z133, the minimum approach distance for persons other than
qualified line-clearance arborists for 50 kV & less is __________. - 10 feet
Trees growing into contact with a single-phase distribution conductor pose __________
threat of a tree-ground fault. - little
Where should the final cut be made for proper utility pruning? - just outside of the
branch bark ridge and the branch collar
A vegetation management scheduling unit may be an entire __________ or a
__________ __________. - circuit;
geographical area
2 examples of protective equipment: - circuit breakers
lightning receptors
On a storm site, cutting should not begin until all risks have been assessed & the
__________ approach has been decided & adopted. - safest
,Actively __________ can facilitate understanding a customer's perceptions and
demonstrate the utility representative's sincere interest in a customer. - listening
As clearance work progresses, __________ between crews & dispatcher is critically
important to determine locations of downed or damaged lines. - communication
__________ negotiation uses the best aspects from both hard & soft bargaining. -
interest-based
An energized wire or conductor in a circuit is also known as a __________. - phase
Fast-growing, problem species are sometimes known as __________ __________. -
cycle busters
Flush cuts damage which tissues? - the trunk
Clearing for a new distribution line is likely to be paid for by a __________ budget. -
capital
Surface temperatures at the point of contact with high voltage can reach __________
degrees F. - 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. - direct contact;
indirect contact
A grid-based scheduling system is most likely to be used by highly __________ utilities.
- urbanized
Why is utility pruning done? - to maintain safety and rights-of-way
Reactive maintenance is often called __________. - hotspotting
True or False?
Guy wires are intended to help support poles but may become unintentionally
energized. - true
One of the highest personal risks in a storm is __________. - fatigue
When trying to negotiate mutually agreeable solutions & gain commitment based on
customer interests, the focus should be on __________, no on specific individuals. -
issues
A __________ is similar to a fuse or cutout, but it resets after a predetermined time
period. - re-closer
, Always consider that all lines are __________. - energized
Tree replacement programs are an important aspect of many utility customer relations
programs & focus on selecting: - 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. - utility lines & equipment
A challenge with grid-based scheduling is that circuits may traverse many grids,
allowing for a variety of __________ __________. - tree conditions
The difference in voltage between two objects someone simultaneously touches: - touch
potential
Which type of pruning encourages the growth of branches away from the wires? -
directional pruning
Minimum working distances for qualified line-clearance arborists are specified in the
__________ safety standard. - ANSI Z133
The sound of a running home generator should alert crews to the possibility of
__________. - backfeed
Measuring customer satisfaction by the number of __________ received is a very
reactive approach to customer relations. - complaints
Ideally, TGRs should be applied when a tree is actively growing & __________-
__________ months before pruning takes place. - 2-3
What is the maximum amount of foliage that should be removed in one growing
season? - 25%
(this is according to ANSI A300)
The most expensive way to schedule work is: - hotspotting
__________ __________ is the difference in voltage on the ground between two of a
person's body parts near where electricity goes into the ground. - step potential
A energized human body, tree, or climbing rope are all examples or __________
contact - indirect
A contractor is paid for each tree pruned or removed when contracted using a
__________ __________ contract. - unit price
When is it acceptable to deviate from the pruning standards? - during storm restoration
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