ISA Utility Specialist (Chapters 1-7) | 436 Questions with 100 % correct Answers | Verified and updated
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Course
ISA Utility Specialist
Institution
ISA Utility Specialist
In the U.S., enforcement of safety work rules resides with: - Occupational Safety & Health
Administration
(OSHA)
Utility pruning is the pruning of trees located in the vicinity of power lines for the purpose of
__________ __________ __________. - ensuring reliable service
A comprehensive veget...
ISA Utility Specialist (Chapters 1 -7) In the U.S., enforcement of safety work rules resides with: - ✔✔Occupational Safety & Health Administration (OSHA) Utility pruning is the pruning of trees located in the vicinity of power lines for the purpose of __________ __________ __________. - ✔✔ensu ring reliable service A comprehensive vegetation management program should be __________ rather than reactive, & based on principals of __________ vegetation management. - ✔✔proactive; integrated What is a volt? - ✔✔a unit of electrical force Major stor ms or __________ weather events are the usual cause of power outages over large areas. - ✔✔catastrophic Without __________, messages can have multiple meanings. - ✔✔context ISA BMPs provide a practical guide for implementing __________ __________. - ✔✔industry standards Electrical resistance determines how much __________ is required to move electricity along a conductor and is measured in __________. - ✔✔energy; ohms When communicating, a person's experience & __________ will influence how the person r eacts. - ✔✔perceptions Crew mobilization for a storm event is much more rapid from a __________ status. - ✔✔standby NERC standards are specific to what line voltages? - ✔✔200 kV & above An important first step in any vegetation management program should be to asses system conditions, which is often done through an __________. - ✔✔inventory Which type of cuts are less unacceptable? - ✔✔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 __________. - ✔✔act; condition A conductor carrying more than __________ volts would be considered a NERC line. - ✔✔200,000 Communication is both verbal & nonverbal. When a customer is confronted with contradictory information, the person will usually believe the __________ message. - ✔✔nonverbal Voluntary safety standards for prun ing, trimming, repairing, maintaining & removing trees, & cutting brush: - ✔✔ANSI Z133 NERC standards require the reporting of all tree caused outages by __________ categories - ✔✔three A traditional cycle will schedule maintenance __________ trees grow into conductors. - ✔✔before Which type of cuts are more acceptable? - ✔✔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 & disc uss them. - ✔✔two-minute According to ANSI Z133, the minimum approach distance for persons other than qualified line -clearance arborists for 50 kV & less is __________. - ✔✔10 feet Trees growing into contact with a single -phase distribution conductor pos e __________ threat of a tree -
ground fault. - ✔✔little Where should the final cut be made for proper utility pruning? - ✔✔just outside of the branch bark ridge and the branch collar A vegetation management scheduling unit may be an entire __________ or a __________ __________. - ✔✔circuit; geographical area 2 examples of protective equipment: - ✔✔circuit breakers lightning receptors On a storm site, cutting should not begin until all risks have been assessed & the __________ approach has been decided & adopted. - ✔✔safest Actively __________ can facilitate understanding a customer's perceptions and demonstrate the utility representati ve's sincere interest in a customer. - ✔✔listening As clearance work progresses, __________ between crews & dispatcher is critically important to determine locations of downed or damaged lines. - ✔✔communication __________ negotiation uses the best aspe cts from both hard & soft bargaining. - ✔✔interest -based An energized wire or conductor in a circuit is also known as a __________. - ✔✔phase Fast-growing, problem species are sometimes known as __________ __________. - ✔✔cycle busters Flush cuts damage which tissues? - ✔✔the trunk Clearing for a new distribution line is likely to be paid for by a __________ budget. - ✔✔capital Surface temperatures at the point of contact with high voltage can reach __________ degrees F. - ✔✔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. - ✔✔direct contact; indirect contact A grid -based scheduling system is most likely to be used by highly __________ utilities. - ✔✔urbanized Why is utility pruning done? - ✔✔to maintain safety and rights -of-way Reactive maintenance is often called __________. - ✔✔hotspotting True or False? Guy wires are intended to help support poles but may become unintentionally energized. - ✔✔true One of the highest personal risks in a storm is __________. - ✔✔fatigue When trying to negotiate mutually agreeable solutions & gain commitment based on customer interests, the focus should be on __________, no on specific individuals. - ✔✔issues A __________ is similar to a fuse or cutout, but it resets after a predetermined time period. - ✔✔re-
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