Download ISA Utility Specialist (Ch. 1 Safety) with Answers and more Exams Nursing in PDF only on Docsity! ISA Utility Specialist (Ch. 1: Safety) with Answers In the U.S., enforcement of safety work rules resides with: - ๐ Occupational Safety & 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 __________. - ๐ act; condition The __________-__________ rule suggests that workers should take time before starting a job to check for potentially unsafe conditions & discuss them. - ๐ two-minute According to ANSI Z133, the minimum approach distance for persons other than qualified line-clearance arborists for 50 kV & less is __________. - ๐ 10 feet Surface temperatures at the point of contact with high voltage can reach __________ degrees F. - ๐ 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. - ๐ direct contact; indirect contact The difference in voltage between two objects someone simultaneously touches: - ๐ 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. - ๐ step potential A energized human body, tree, or climbing rope are all examples or __________ contact - ๐ indirect The safety acronym S.T.A.R. is valuable for preventing errors, & stands for: - ๐ Stop, Think, Act, Review True or False? There are no published safety data related specifically to utility arboriculture. - ๐ true Of the following, which is an example of an unsafe act? - Willful rule violation - Maliciousness - Human error - ๐ all of them The term accident is in disfavor because it implies that outcomes are due to __________ __________, & is better referred to as an __________. - ๐ bad luck; incident The three most common events for fatal incidents associated with tree work are: - ๐ contact with objects/equipment (e.g. falling limbs), falls, & exposure to unsafe environment/substance (e.g. electric shock) Which clause of the Occupational Safety & Health Act requires that employers to provide their employees with working conditions that are free of known dangers? - ๐ General Duty clause Each worker is responsible for their own __________. - ๐ safety For arboricultural operations in the U.S., the most important standard to follow when implementing a safety program is: - ๐ ANSI Z133 Companies dedicated to workplace safety should have organized __________ __________. - ๐ safety commitees ISA recommends that safety committees meet how often? - ๐ monthly The theory of incident prevention that considers most incidents to be caused by unsafe acts is called the __________-__________ theory. Pioneered by Herbert Heinrich - ๐ behavior-based The __________ __________ is an illustration of Heinrich's principles of accident prevention. - ๐ accident pyramid McClenahan described unsafe act & close calls as a safety program's __________ __________, & serious injuries or fatalities as __________ __________. - ๐ leading indicators (bottom of safety pyramid); lagging indicators (top of safety pyramid) The theory that considers workplace injuries to be caused by /a/ number of contributing factors, rather than /the/ number of contributing factors: - ๐ multiple causation theory A __________-__________ organization is a group that takes a systematic approach to safety, recognizing that humans are imperfect & that errors have to be considered in the context of the system in which they occurred. - ๐ high-reliability
