Exam (elaborations)
Period 1 boilermaker || With correct solutions.
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The frames of all portable motors, welding machines, air compressors, electric hoists, etc., that operate at more than ___ should be grounded. correct answers a. 100 volts b. 50 volts c. 75 volts d. 25 volts A personal fall arrest system is required by OSHA for workers on construction sites w...
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