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