UPDATED ISA Utility Specialist (Chapters 1-7) VERIFIED SOLUTIONS 100% PASS

In the U.S., enforcement of safety work rules resides with: - ANSWER Occupational Safety & Health Administration (OSHA) Utility pruning is the pruning of trees located in the vicinity of power lines for the purpose of __________ __________ __________. - ANSWER ensuring reliable service A comprehensive vegetation management program should be __________ rather than reactive, & based on principals of __________ vegetation management. - ANSWER proactive; integrated What is a volt? - ANSWER a unit of electrical force Major storms or __________ weather events are the usual cause of power outages over large areas. - ANSWER catastrophic Without __________, messages can have multiple meanings. - ANSWER context ISA BMPs provide a practical guide for implementing __________ __________. - ANSWER industry standards Electrical resistance determines how much __________ is required to move electricity along a conductor and is measured in __________. - ANSWER energy; ohms When communicating, a person's experience & __________ will influence how the person reacts. - ANSWER perceptions Crew mobilization for a storm event is much more rapid from a __________ status. - ANSWER standby NERC standards are specific to what line voltages? - ANSWER 200 kV & above An important first step in any vegetation management program should be to asses system conditions, which is often done through an __________. - ANSWER inventory Which type of cuts are less unacceptable? - ANSWER 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 __________. - ANSWER act; condition A conductor carrying more than __________ volts would be considered a NERC line. - ANSWER 200,000 Communication is both verbal & nonverbal. When a customer is confronted with contradictory information, the person will usually believe the __________ message. - ANSWER nonverbal Voluntary safety standards for pruning, trimming, repairing, maintaining & removing trees, & cutting brush: - ANSWER ANSI Z133 NERC standards require the reporting of all tree caused outages by __________ categories - ANSWER three A traditional cycle will schedule maintenance __________ trees grow into conductors. - ANSWER before Which type of cuts are more acceptable? - ANSWER 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 & discuss them. - ANSWER two-minute According to ANSI Z133, the minimum approach distance for persons other than qualified line-clearance arborists for 50 kV & less is __________. - ANSWER 10 feet Trees growing into contact with a single-phase distribution conductor pose __________ threat of a tree-ground fault. - ANSWER little Where should the final cut be made for proper utility pruning? - ANSWER just outside of the branch bark ridge and the branch collar A vegetation management scheduling unit may be an entire __________ or a __________ __________. - ANSWER circuit; geographical area 2 examples of protective equipment: - ANSWER circuit breakers lightning receptors On a storm site, cutting should not begin until all risks have been assessed & the __________ approach has been decided & adopted. - ANSWER safest Actively __________ can facilitate understanding a customer's perceptions and demonstrate the utility representative's sincere interest in a customer. - ANSWER listening As clearance work progresses, __________ between crews & dispatcher is critically important to determine locations of downed or damaged lines. - ANSWER communication __________ negotiation uses the best aspects from both hard & soft bargaining. - ANSWER interest-based An energized wire or conductor in a circuit is also known as a __________. - ANSWER phase Fast-growing, problem species are sometimes known as __________ __________. - ANSWER cycle busters Flush cuts damage which tissues? - ANSWER the trunk Clearing for a new distribution line is likely to be paid for by a __________ budget. - ANSWER capital Surface temperatures at the point of contact with high voltage can reach __________ degrees F. - ANSWER 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. - ANSWER direct contact; indirect contact