ISA Utility Specialist (Chapters 1-7) with complete solution
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
Besides pruning, __________ & __________ treatments are often part of an
integrated vegetation management program.
mechanical & herbicide
When installing underground conductors, __________ should be used in tree root
protection zones.
tunneling
Crew members should always refer customer relations questions about the
status of power restoration to:
the utility
The __________ has been adopted by most states & regulatory bodies throughout
the U.S. as the recognized document providing safety provisions for those
working with or near electric supply equipment.
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
Besides pruning, __________ & __________ treatments are often part of an
integrated vegetation management program.
mechanical & herbicide
When installing underground conductors, __________ should be used in tree root
protection zones.
tunneling
Crew members should always refer customer relations questions about the
status of power restoration to:
the utility
The __________ has been adopted by most states & regulatory bodies throughout
the U.S. as the recognized document providing safety provisions for those
working with or near electric supply equipment.
