ISA Utility Specialist (Chapters 1-7) Exam Questions And
Answers Verified 100% Correct
A __________ is similar to a fuse or cutout, but it resets after a predetermined time
period. - ANSWER re-closer
Always consider that all lines are __________. - ANSWER energized
Tree replacement programs are an important aspect of many utility customer relations
programs & focus on selecting: - ANSWER 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. - ANSWER utility lines &
equipment
A challenge with grid-based scheduling is that circuits may traverse many grids,
allowing for a variety of __________ __________. - ANSWER tree conditions
The difference in voltage between two objects someone simultaneously touches: -
ANSWER touch potential
Which type of pruning encourages the growth of branches away from the wires? -
ANSWER directional pruning
Minimum working distances for qualified line-clearance arborists are specified in the
__________ safety standard. - ANSWER ANSI Z133
The sound of a running home generator should alert crews to the possibility of
__________. - ANSWER backfeed
Measuring customer satisfaction by the number of __________ received is a very
reactive approach to customer relations. - ANSWER complaints
Ideally, TGRs should be applied when a tree is actively growing & __________-
__________ months before pruning takes place. - ANSWER 2-3
What is the maximum amount of foliage that should be removed in one growing
season? - ANSWER 25%
(this is according to ANSI A300)
,The most expensive way to schedule work is: - ANSWER hotspotting
__________ __________ is the difference in voltage on the ground between two of a
person's body parts near where electricity goes into the ground. - ANSWER step
potential
A energized human body, tree, or climbing rope are all examples or __________
contact - ANSWER indirect
A contractor is paid for each tree pruned or removed when contracted using a
__________ __________ contract. - ANSWER unit price
When is it acceptable to deviate from the pruning standards? - ANSWER during storm
restoration
Besides pruning, __________ & __________ treatments are often part of an integrated
vegetation management program. - ANSWER mechanical & herbicide
When installing underground conductors, __________ should be used in tree root
protection zones. - ANSWER tunneling
Crew members should always refer customer relations questions about the status of
power restoration to: - ANSWER 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. - ANSWER NESC
(National Electrical Safety Code)
Customer relations are important during a storm response, but are necessarily a lower
priority than: - ANSWER safety & power restoration
Because most electrical lines are located on private property, utilities typically secure
__________ to facilitate maintenance of their lines. - ANSWER easements
The safety acronym S.T.A.R. is valuable for preventing errors, & stands for: - ANSWER
Stop, Think, Act, Review
Distribution transformers typically __________ primary circuit voltage for the end user. -
ANSWER reduce
Vegetation can be chemically controlled in a selective manner with either a selective
,__________, or a selective __________. - ANSWER herbicide;
application
True or False?
There are no published safety data related specifically to utility arboriculture. -
ANSWER true
Communication between vegetation managers, contractors, supervisors, & workers
should be both __________ & __________. - ANSWER written & verbal
Mowing often __________ woody stem count. - ANSWER increases
Amp: - ANSWER the measure of electrical current
When responding to a storm emergency, the highest priority for crews should be to: -
ANSWER work on the circuits feeding hospitals
Because customers are well-informed & expect professionalism, a __________
__________ is the best utility representative to discuss line clearance with them. -
ANSWER utility arborist
Service lines and secondary distribution lines usually carry voltage between
__________-__________ volts. - ANSWER 120-240
Contract tree crew members can reduce customer concerns about utility work on their
property by: - ANSWER dressing & conducting themselves professionally
When arriving on a storm site, the highest priority for the crew foreman is to: -
ANSWER immediately identify & locate downed electrical lines
Long-term planning is __________, while short-term planning is __________. -
ANSWER strategic;
tactical
Which utility right-of-way herbicide application practice is most appropriate for brush
control in areas with sensitive public relations issues? - ANSWER basal treatment
In the U.S., pruning should be conducted according to __________ __________. -
ANSWER ANSI A300
Of the following, which is an example of an unsafe act?
- Willful rule violation
- Maliciousness
, - Human error - ANSWER all of them
When a tree contacts one electrical conductor, it may cause a __________-to-
__________ fault. - ANSWER phase-ground fault
Listening to & acknowledging the customer's concerns about tree work on their property
is a good way to: - ANSWER establish a good customer-utility relationship
Of the following conditions, which is most likely to fail & cause an electrical outage in a
moderate storm?
- An open trunk cavity
- Codominant leaders with included bark
- Overhanging, live branches
- A decurrent tree form - ANSWER overhanging, live branches
__________ are documents that describe, instruct, & direct work results. - ANSWER
specifications
Mobilizing crews for herbicide work is easiest when they utilize __________
__________. - ANSWER backpack sprayers
Utility pruning removes the leaves and reduces a tree's __________ growth, but
remaining __________ may grow more. - ANSWER overall;
shoots
The term accident is in disfavor because it implies that outcomes are due to
__________ __________, & is better referred to as an __________. - ANSWER
bad luck; incident
The three most common events for fatal incidents associated with tree work are: -
ANSWER contact with objects/equipment (e.g. falling limbs), falls, & exposure to
unsafe environment/substance (e.g. electric shock)
Research has shown that trees are more likely to cause outages on __________-phase
lines than on __________-phase lines. - ANSWER three;
single
Utility pruning is mainly conducted to provide __________ from power lines. -
ANSWER clearance
Preventing vegetation-caused outages receives highest priority on __________
__________. - ANSWER transmission circuits
Answers Verified 100% Correct
A __________ is similar to a fuse or cutout, but it resets after a predetermined time
period. - ANSWER re-closer
Always consider that all lines are __________. - ANSWER energized
Tree replacement programs are an important aspect of many utility customer relations
programs & focus on selecting: - ANSWER 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. - ANSWER utility lines &
equipment
A challenge with grid-based scheduling is that circuits may traverse many grids,
allowing for a variety of __________ __________. - ANSWER tree conditions
The difference in voltage between two objects someone simultaneously touches: -
ANSWER touch potential
Which type of pruning encourages the growth of branches away from the wires? -
ANSWER directional pruning
Minimum working distances for qualified line-clearance arborists are specified in the
__________ safety standard. - ANSWER ANSI Z133
The sound of a running home generator should alert crews to the possibility of
__________. - ANSWER backfeed
Measuring customer satisfaction by the number of __________ received is a very
reactive approach to customer relations. - ANSWER complaints
Ideally, TGRs should be applied when a tree is actively growing & __________-
__________ months before pruning takes place. - ANSWER 2-3
What is the maximum amount of foliage that should be removed in one growing
season? - ANSWER 25%
(this is according to ANSI A300)
,The most expensive way to schedule work is: - ANSWER hotspotting
__________ __________ is the difference in voltage on the ground between two of a
person's body parts near where electricity goes into the ground. - ANSWER step
potential
A energized human body, tree, or climbing rope are all examples or __________
contact - ANSWER indirect
A contractor is paid for each tree pruned or removed when contracted using a
__________ __________ contract. - ANSWER unit price
When is it acceptable to deviate from the pruning standards? - ANSWER during storm
restoration
Besides pruning, __________ & __________ treatments are often part of an integrated
vegetation management program. - ANSWER mechanical & herbicide
When installing underground conductors, __________ should be used in tree root
protection zones. - ANSWER tunneling
Crew members should always refer customer relations questions about the status of
power restoration to: - ANSWER 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. - ANSWER NESC
(National Electrical Safety Code)
Customer relations are important during a storm response, but are necessarily a lower
priority than: - ANSWER safety & power restoration
Because most electrical lines are located on private property, utilities typically secure
__________ to facilitate maintenance of their lines. - ANSWER easements
The safety acronym S.T.A.R. is valuable for preventing errors, & stands for: - ANSWER
Stop, Think, Act, Review
Distribution transformers typically __________ primary circuit voltage for the end user. -
ANSWER reduce
Vegetation can be chemically controlled in a selective manner with either a selective
,__________, or a selective __________. - ANSWER herbicide;
application
True or False?
There are no published safety data related specifically to utility arboriculture. -
ANSWER true
Communication between vegetation managers, contractors, supervisors, & workers
should be both __________ & __________. - ANSWER written & verbal
Mowing often __________ woody stem count. - ANSWER increases
Amp: - ANSWER the measure of electrical current
When responding to a storm emergency, the highest priority for crews should be to: -
ANSWER work on the circuits feeding hospitals
Because customers are well-informed & expect professionalism, a __________
__________ is the best utility representative to discuss line clearance with them. -
ANSWER utility arborist
Service lines and secondary distribution lines usually carry voltage between
__________-__________ volts. - ANSWER 120-240
Contract tree crew members can reduce customer concerns about utility work on their
property by: - ANSWER dressing & conducting themselves professionally
When arriving on a storm site, the highest priority for the crew foreman is to: -
ANSWER immediately identify & locate downed electrical lines
Long-term planning is __________, while short-term planning is __________. -
ANSWER strategic;
tactical
Which utility right-of-way herbicide application practice is most appropriate for brush
control in areas with sensitive public relations issues? - ANSWER basal treatment
In the U.S., pruning should be conducted according to __________ __________. -
ANSWER ANSI A300
Of the following, which is an example of an unsafe act?
- Willful rule violation
- Maliciousness
, - Human error - ANSWER all of them
When a tree contacts one electrical conductor, it may cause a __________-to-
__________ fault. - ANSWER phase-ground fault
Listening to & acknowledging the customer's concerns about tree work on their property
is a good way to: - ANSWER establish a good customer-utility relationship
Of the following conditions, which is most likely to fail & cause an electrical outage in a
moderate storm?
- An open trunk cavity
- Codominant leaders with included bark
- Overhanging, live branches
- A decurrent tree form - ANSWER overhanging, live branches
__________ are documents that describe, instruct, & direct work results. - ANSWER
specifications
Mobilizing crews for herbicide work is easiest when they utilize __________
__________. - ANSWER backpack sprayers
Utility pruning removes the leaves and reduces a tree's __________ growth, but
remaining __________ may grow more. - ANSWER overall;
shoots
The term accident is in disfavor because it implies that outcomes are due to
__________ __________, & is better referred to as an __________. - ANSWER
bad luck; incident
The three most common events for fatal incidents associated with tree work are: -
ANSWER contact with objects/equipment (e.g. falling limbs), falls, & exposure to
unsafe environment/substance (e.g. electric shock)
Research has shown that trees are more likely to cause outages on __________-phase
lines than on __________-phase lines. - ANSWER three;
single
Utility pruning is mainly conducted to provide __________ from power lines. -
ANSWER clearance
Preventing vegetation-caused outages receives highest priority on __________
__________. - ANSWER transmission circuits
