Utility Arboriculture 2023 Exam Solved 100% Correct

In the United States, enforcement of safety work rules resides with the ______________ - ANSWER-Occupational Safety and Health Administration (OSHA) 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 The ______-______ rule suggests that workers should take time before starting a job to check for potentially unsafe conditions and confer about them. - ANSWER-two-minute According to ANSI Z133, the minimum approach distance for persons other than qualified line-clearance arborists for 7.2 kV is ____ feet / ____ m. - ANSWER-10, 3.05 Surface temperatures at the point of contact with high voltage can reach _____ degrees Celsius / _____ degrees Farenheit - ANSWER-1000, 1832 _____ _____ 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 The difference in voltage between two objects someone simultaneously contacts is termed _______ ________. - ANSWER-touch potential _______ _______ is the difference in voltage on the ground between two of a person's body parts near where electricity goes into the ground. - ANSWER-step potential An energized human body, tree, or climbing rope are all examples of _______ ______ threats. - ANSWER-indirect contact The safety acronym S.T.A.R. is valuable for preventing errors, & stands for: a. Stop, Think, Act, Review b. Stop, Think, Adjust, Reason c. Safety, Training, Action, Review d. Stop, Train, Act, Reflect - ANSWER-a. Stop, Think, Act, Review A high-reliability organization would not always accept the a. simplest explanation for close calls or minor incidents b. need to adhere to electrical minimum approach distances c. employee's first request for personal protective equipment