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