ISA Utility Specialist UPDATED Exam Questions and CORRECT Answers
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Course
ISA Utility Specialist
Institution
ISA Utility Specialist
ISA Utility Specialist UPDATED Exam
Questions and CORRECT Answers
Accident - CORRECT ANSWER- discredited term for unplanned, undesirable event that
could result in unintentional injury/property damage attributed to fate/bad luck
Accident Pyramid - CORRECT ANSWER- illustration of Herbert Heinr...
ISA Utility Specialist UPDATED Exam
Questions and CORRECT Answers
Accident - CORRECT ANSWER- discredited term for unplanned, undesirable event that
could result in unintentional injury/property damage attributed to fate/bad luck
Accident Pyramid - CORRECT 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 - CORRECT ANSWER- accounting methodology that records revenues
& costs when they occur
Action Threshold - CORRECT 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 - CORRECT ANSWER- structured face to face communication technique
that improves performance & increases understanding btwn people
-use persons name
-paraphrase their message
Acute Toxicity - CORRECT ANSWER- adverse effects resulting from exposure to a single
dose or exposure to multiple doses of a substance over short time frame
Aerial Application - CORRECT ANSWER- VM application of herbicide using
aircraft(helicopters/fixed wing)
Aerial LIft - CORRECT ANSWER- truck, logging skidder or vehicle mounted w hydraulic
boom supported bucket or semi-enclosed working platform used to elevate workers
,AHAS Inhibitors - CORRECT 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 - CORRECT 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 - CORRECT ANSWER- ability of some plants including certain grasses, to
release chems that suppress other plant species growing around them
ALS Inhibitors - CORRECT ANSWER- chemical class of commonly used IVM herbicides in
which the mode of action inhibits a key enzyme
-acetolactate synthase
Alternating Current(AC) - CORRECT 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) - CORRECT 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) - CORRECT 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) - CORRECT ANSWER- American National Standard for Tree Care
Operations----Tree/Shrub/Wood Plant Maintenance
-IVM---utility ROW
Approach Distance - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER- electric flow in an unintended direction thru a process
whereby de-energized lines become energized from an external source----home generator
Bargaining Unit - CORRECT ANSWER- group of workers rep by a union local
Basal Application - CORRECT ANSWER- herbicide application made at the bottom 12 in of
stem & root collar with an herbicide in an oil carrier
Behavior-Based - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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
Branch Removal Cut - CORRECT ANSWER- pruning cut the removes the smaller of two
branches at a union or parent stem, w/o cutting into the branch bark ridge or branch collar or
leaving stub
Branch Union - CORRECT ANSWER- point where a branch originates from the trunk or
another branch
Brand - CORRECT ANSWER- name/service/trademark/color or attribute that distinguishes a
prod or service from competitors
Brush Cutter - CORRECT ANSWER- machine used to remove & grind saplings, small trees,
incompatible vegetation
Budget - CORRECT ANSWER- means to justify the allocation of resources, set priorities &
make decisions regarding what can/can't be accomplished
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