Question 1: A ladder or stairway is required at work points of access where there is a break in elevation of __________ inches or more

12

19

22

24

Question 2: What is the maximum permissible height for a supported scaffold when braces are not used?

20 feet

30 feet

Four times the minimum base dimension

Four times the largest base dimension

Question 3: When using a portable ladder to access a roof, the side rails:

must extend at least 3 feet above the roof edge.

should extend at least 2 feet above the roof edge.

should not extend above the roof edge.

must be even with the roof edge.

Question 4: Which of the following is NOT a component of an assured equipment grounding conductor program?

Competent person

Ground fault circuit interrupters

Continuity tests

Daily visual inspections

Question 5: Electric-arc welding is a type of __________ welding.

pressure

gas

fission

fusion

Question 6: What does the term "fully planked" mean in relationship to scaffold platforms? Why is it important?

Question 7: Briefly explain three ways that exposure to welding fumes can be reduced in an outdoor working environment. Which of the three would be the most efficient?

Question 8: Describe how electrical shock can contribute to falls on a construction site. Provide at least two examples.

Question 9: What is the difference between a handrail and a stair rail? When are they required?