ISA UTILITY SPECIALIST EXAM 2024 QUESTIONS & CORRECT ANSWERS already graded 100%
Questions & Answers Such As:
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...
Discredited term for unplanned, undesirable event that could result in unintentional
injury/property damage attributed to fate/bad luck - Answer - Accident
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 - Answer - Accident Pyramid
Accounting methodology that records revenues & costs when they occur - Answer -
Accrual Accounting
Point at which the level of incompatible plant species, density, height, location, condition
threatens the stated management objectives & requires implementation of control
method - Answer - Action Threshold
Structured face to face communication technique that improves performance &
increases understanding btwn people
-use persons name
-paraphrase their message - Answer - Active Listening
adverse effects resulting from exposure to a single dose or exposure to multiple doses
of a substance over short time frame - Answer - Acute Toxicity
VM application of herbicide using aircraft(helicopters/fixed wing) - Answer - Aerial
Application
truck, logging skidder or vehicle mounted w hydraulic boom supported bucket or semi-
enclosed working platform used to elevate workers - Answer - Aerial LIft
,chemical class of commonly IVM herbicides in which the mode of action inhibits key
botanical enzyme
-acetohdroxycacid synthase(AHAS)----biosynthesis of critical amino acids - Answer -
AHAS Inhibitors
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 - Answer - Airbrake Switch
ability of some plants including certain grasses, to release chems that suppress other
plant species growing around them - Answer - Allelopathy
chemical class of commonly used IVM herbicides in which the mode of action inhibits a
key enzyme
-acetolactate synthase - Answer - ALS Inhibitors
electric current that reverses its direction many times per second at regular intervals
typically used in power supplies - Answer - Alternating Current(AC)
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 - Answer - Aluminum Conductor
Steel-Reinforced Cable(ACSR)
measure of current
- 1 A = charge carried by 6.25 x 10^18 electrons moving past a given point in one
second - Answer - Ampere(amp, A)
American National Standard for Tree Care Operations----Tree/Shrub/Wood Plant
Maintenance
-IVM---utility ROW - Answer - -ANSI A300(Part 7)
ANSI Arboricultural Operations----Safety Reqs
-safety standard of practice for tree care - Answer - ANSI Z133
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 - Answer - Approach
Distance
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 - Answer - Automatic Line
Recloser
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 - Answer - Auxin
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 - Answer -
Auxin Transport Inhibitors
electric flow in an unintended direction thru a process whereby de-energized lines
become energized from an external source----home generator - Answer - Back Feed
group of workers rep by a union local - Answer - Bargaining Unit
herbicide application made at the bottom 12 in of stem & root collar with an herbicide in
an oil carrier - Answer - Basal Application
theory of industrial accident prevention pioneered by Herbert Heinrich that considers the
overwhelming majority of incidents to be caused by unsafe acts - Answer - Behavior-
Based
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 - Answer - Biological Methods
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) - Answer - Border Zone
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 - Answer - Branch Bark
Ridge
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 - Answer - Branch Collar
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 - Answer - Branch
Removal Cut
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