1. Which of the following is NOT a component of an assured equipment grounding conductor program?
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Competent person
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Ground fault circuit interrupters
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Continuity tests
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Daily visual inspections
1. A ladder or stairway is required at work points of access where there is a break in elevation of __________ inches or more
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12
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19
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22
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24
1. What is the maximum permissible height for a supported scaffold when braces are not used?
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20 feet
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30 feet
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Four times the minimum base dimension
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Four times the largest base dimension
1. Electric-arc welding is a type of __________ welding.
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pressure
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gas
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fission
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fusion
1. When using a portable ladder to access a roof, the side rails:
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must extend at least 3 feet above the roof edge.
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should extend at least 2 feet above the roof edge.
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should not extend above the roof edge.
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must be even with the roof edge.