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BOS3401 Columbia Southern Unit 5 Construction Scaffold Safety Questions

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Attempt Score Time Elapsed Instructions Results Displayed • 100 out of 100 points 804 hours, 31 minutes Assessment Instructions Submitted Answers, Correct Answers, Feedback Question 1 4 out of 4 points What is the maximum permissible height for a supported scaffold when braces are not used? Selected Answer: Four times the minimum base dimension Correct Answer: Four times the minimum base dimension • Question 2 4 out of 4 points When using a portable ladder to access a roof, the side rails: Selected Answer: must extend at least 3 feet above the roof edge. Correct Answer: must extend at least 3 feet above the roof edge. • Question 3 4 out of 4 points A ladder or stairway is required at work points of access where there is a break in elevation of __________ inches or more Selected Answer: 19 Correct Answer: 19 • Question 4 4 out of 4 points Electric-arc welding is ...
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