ISA Utility Specialist (Chapters 1-7) Exam2025
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Accident - ✔✔ANSWER✔✔>>discredited term for unplanned, undesirable event that
could result in unintentional injury/property damage attributed to fate/bad luck
Accident Pyramid - ✔✔ANSWER✔✔>>illustration of Herbert Heinrich principles of
accident prevention-----bottom has thousands of unsafe acts/conditions, led to 300
close calls, 29 minor injuries & ultimately one major fatality/injury at top
Accrual Accounting - ✔✔ANSWER✔✔>>accounting methodology that records revenues
& costs when they occur
ACSR - ✔✔ANSWER✔✔>>aluminum conductor steel reinforced
Action Threshold - ✔✔ANSWER✔✔>>point at which the level of incompatible plant
species, density, height, location, condition threatens the stated management objectives
& requires implementation of control method
Active Listening - ✔✔ANSWER✔✔>>structured face to face communication technique
that improves performance & increases understanding btwn people
-use persons name
-paraphrase their message
Acute Toxicity - ✔✔ANSWER✔✔>>adverse effects resulting from exposure to a single
dose or exposure to multiple doses of a substance over short time frame
Aerial Application - ✔✔ANSWER✔✔>>VM application of herbicide using
aircraft(helicopters/fixed wing)
Aerial LIft - ✔✔ANSWER✔✔>>truck, logging skidder or vehicle mounted w hydraulic
boom supported bucket or semi-enclosed working platform used to elevate workers
,AHAS Inhibitors - ✔✔ANSWER✔✔>>chemical class of commonly IVM herbicides in
which the mode of action inhibits key botanical enzyme
-acetohdroxycacid synthase(AHAS)----biosynthesis of critical amino acids
Airbrake Switch - ✔✔ANSWER✔✔>>manually operated switch----deployed where two
circuits meet or circuit portion from an energized feeder
-not designed to auto interrupt electrical load or be used as line protection from
overload, short circuit or fault
Allelopathy - ✔✔ANSWER✔✔>>ability of some plants including certain grasses, to
release chems that suppress other plant species growing around them
ALS Inhibitors - ✔✔ANSWER✔✔>>chemical class of commonly used IVM herbicides in
which the mode of action inhibits a key enzyme
-acetolactate synthase
Alternating Current(AC) - ✔✔ANSWER✔✔>>electric current that reverses its direction
many times per second at regular intervals typically used in power supplies
Aluminum Conductor Steel-Reinforced Cable(ACSR) - ✔✔ANSWER✔✔>>energize
cable constructed from aluminum wire stranded around a steel core
-lightweight, low cost
-tendency to stretch when heated----high electrical load or high temp
-to minimize stretch/add strength----steel core is added
Ampere(amp, A) - ✔✔ANSWER✔✔>>measure of current
- 1 A = charge carried by 6.25 x 10^18 electrons moving past a given point in one
second
-ANSI A300(Part 7) - ✔✔ANSWER✔✔>>American National Standard for Tree Care
Operations----Tree/Shrub/Wood Plant Maintenance
-IVM---utility ROW
ANSI Z133 - ✔✔ANSWER✔✔>>ANSI Arboricultural Operations----Safety Reqs
-safety standard of practice for tree care
Approach Distance - ✔✔ANSWER✔✔>>minimum distance that must be kept btwn
conductors/energized equipment & qualified line clearance personnel & non-qualified &
bodies/tools
-approach distance vary w qualifications of personnel & voltages
Automatic Line Recloser - ✔✔ANSWER✔✔>>circuit breaker equipped w mechanism
that auto close the breaker after it has been opened due to a. fault
-designed to reset quickly to give the cause of a fault opp to clear
, -may immediately recharge the circuit several times at adjustable time delay----2/3
operations within seconds before they open permanently
Auxin - ✔✔ANSWER✔✔>>plant growth regulator or substance that promotes/influences
the growth & development of plants
-produced at sites where cells are dividing primarily in the shoot tips
-auxin like compounds may be produced synthetically
Auxin Transport Inhibitors - ✔✔ANSWER✔✔>>class of selective herbicides that disrupt
auxin transport
-auxin transport obstruction causes unnatural concentration of auxin in meristematic
shoots & roots, disturbing the auxin tolerances req for normal plant growth
Back Feed - ✔✔ANSWER✔✔>>electric flow in an unintended direction thru a process
whereby de-energized lines become energized from an external source----home
generator
Bargaining Unit - ✔✔ANSWER✔✔>>group of workers rep by a union local
Basal Application - ✔✔ANSWER✔✔>>herbicide application made at the bottom 12 in of
stem & root collar with an herbicide in an oil carrier
Behavior-Based - ✔✔ANSWER✔✔>>theory of industrial accident prevention pioneered
by Herbert Heinrich that considers the overwhelming majority of incidents to be caused
by unsafe acts
Biological Methods - ✔✔ANSWER✔✔>>management of vegetation by establishment &
control of compatible stable plant communities using plant competition, allelopathy,
animals, insects, pathogens
-cover-type conversion is a type of biological control
Border Zone - ✔✔ANSWER✔✔>>section of a transmission/pipeline ROW that extends
from wire/pipe zone to the ROW edge
-managed to promote a low growing plant community of forms, tall shrubs & low
growing trees below a specified height(25 ft)
Branch Bark Ridge - ✔✔ANSWER✔✔>>raised strip of bark at the top of a branch union
where the growth & expansion of trunk + parent stem & adjoining branch push the bark
into the ridge
Branch Collar - ✔✔ANSWER✔✔>>area where a subdominant branch joins another
branch or trunk that is created by overlapping vascular tissue from both the branch &
trunk
-typically enlarged at the base of the branch
Update |Complete Exam Set Questions And
Verified Answers (solutions) | Get It 100%
Accurate!!| Already Passed A+
Accident - ✔✔ANSWER✔✔>>discredited term for unplanned, undesirable event that
could result in unintentional injury/property damage attributed to fate/bad luck
Accident Pyramid - ✔✔ANSWER✔✔>>illustration of Herbert Heinrich principles of
accident prevention-----bottom has thousands of unsafe acts/conditions, led to 300
close calls, 29 minor injuries & ultimately one major fatality/injury at top
Accrual Accounting - ✔✔ANSWER✔✔>>accounting methodology that records revenues
& costs when they occur
ACSR - ✔✔ANSWER✔✔>>aluminum conductor steel reinforced
Action Threshold - ✔✔ANSWER✔✔>>point at which the level of incompatible plant
species, density, height, location, condition threatens the stated management objectives
& requires implementation of control method
Active Listening - ✔✔ANSWER✔✔>>structured face to face communication technique
that improves performance & increases understanding btwn people
-use persons name
-paraphrase their message
Acute Toxicity - ✔✔ANSWER✔✔>>adverse effects resulting from exposure to a single
dose or exposure to multiple doses of a substance over short time frame
Aerial Application - ✔✔ANSWER✔✔>>VM application of herbicide using
aircraft(helicopters/fixed wing)
Aerial LIft - ✔✔ANSWER✔✔>>truck, logging skidder or vehicle mounted w hydraulic
boom supported bucket or semi-enclosed working platform used to elevate workers
,AHAS Inhibitors - ✔✔ANSWER✔✔>>chemical class of commonly IVM herbicides in
which the mode of action inhibits key botanical enzyme
-acetohdroxycacid synthase(AHAS)----biosynthesis of critical amino acids
Airbrake Switch - ✔✔ANSWER✔✔>>manually operated switch----deployed where two
circuits meet or circuit portion from an energized feeder
-not designed to auto interrupt electrical load or be used as line protection from
overload, short circuit or fault
Allelopathy - ✔✔ANSWER✔✔>>ability of some plants including certain grasses, to
release chems that suppress other plant species growing around them
ALS Inhibitors - ✔✔ANSWER✔✔>>chemical class of commonly used IVM herbicides in
which the mode of action inhibits a key enzyme
-acetolactate synthase
Alternating Current(AC) - ✔✔ANSWER✔✔>>electric current that reverses its direction
many times per second at regular intervals typically used in power supplies
Aluminum Conductor Steel-Reinforced Cable(ACSR) - ✔✔ANSWER✔✔>>energize
cable constructed from aluminum wire stranded around a steel core
-lightweight, low cost
-tendency to stretch when heated----high electrical load or high temp
-to minimize stretch/add strength----steel core is added
Ampere(amp, A) - ✔✔ANSWER✔✔>>measure of current
- 1 A = charge carried by 6.25 x 10^18 electrons moving past a given point in one
second
-ANSI A300(Part 7) - ✔✔ANSWER✔✔>>American National Standard for Tree Care
Operations----Tree/Shrub/Wood Plant Maintenance
-IVM---utility ROW
ANSI Z133 - ✔✔ANSWER✔✔>>ANSI Arboricultural Operations----Safety Reqs
-safety standard of practice for tree care
Approach Distance - ✔✔ANSWER✔✔>>minimum distance that must be kept btwn
conductors/energized equipment & qualified line clearance personnel & non-qualified &
bodies/tools
-approach distance vary w qualifications of personnel & voltages
Automatic Line Recloser - ✔✔ANSWER✔✔>>circuit breaker equipped w mechanism
that auto close the breaker after it has been opened due to a. fault
-designed to reset quickly to give the cause of a fault opp to clear
, -may immediately recharge the circuit several times at adjustable time delay----2/3
operations within seconds before they open permanently
Auxin - ✔✔ANSWER✔✔>>plant growth regulator or substance that promotes/influences
the growth & development of plants
-produced at sites where cells are dividing primarily in the shoot tips
-auxin like compounds may be produced synthetically
Auxin Transport Inhibitors - ✔✔ANSWER✔✔>>class of selective herbicides that disrupt
auxin transport
-auxin transport obstruction causes unnatural concentration of auxin in meristematic
shoots & roots, disturbing the auxin tolerances req for normal plant growth
Back Feed - ✔✔ANSWER✔✔>>electric flow in an unintended direction thru a process
whereby de-energized lines become energized from an external source----home
generator
Bargaining Unit - ✔✔ANSWER✔✔>>group of workers rep by a union local
Basal Application - ✔✔ANSWER✔✔>>herbicide application made at the bottom 12 in of
stem & root collar with an herbicide in an oil carrier
Behavior-Based - ✔✔ANSWER✔✔>>theory of industrial accident prevention pioneered
by Herbert Heinrich that considers the overwhelming majority of incidents to be caused
by unsafe acts
Biological Methods - ✔✔ANSWER✔✔>>management of vegetation by establishment &
control of compatible stable plant communities using plant competition, allelopathy,
animals, insects, pathogens
-cover-type conversion is a type of biological control
Border Zone - ✔✔ANSWER✔✔>>section of a transmission/pipeline ROW that extends
from wire/pipe zone to the ROW edge
-managed to promote a low growing plant community of forms, tall shrubs & low
growing trees below a specified height(25 ft)
Branch Bark Ridge - ✔✔ANSWER✔✔>>raised strip of bark at the top of a branch union
where the growth & expansion of trunk + parent stem & adjoining branch push the bark
into the ridge
Branch Collar - ✔✔ANSWER✔✔>>area where a subdominant branch joins another
branch or trunk that is created by overlapping vascular tissue from both the branch &
trunk
-typically enlarged at the base of the branch
