Personal fall arrest system or guardrails are required on scaffolding at what height?

• 6'

• 4'

• 10'

• 20'

The four main hazards associated with scaffolding are falls from heights, scaffold collapse or plank failure, struck-by falling objects, and ( )

• Caught in between

• Hand injuries

• eye injuries

• electrocution

The three types of scaffolds include: Aerial lifts, suspended, and ( )

• Overhead

• Supported

• Ladder jack

• Skyclimber

When guardrails are the primary method of fall protection, the top rail should be at a minimum height of ( ) inches

• 24"

• 38"

• 36"

• Top rail height doesn't matter

Use of screens or panels for materials stacked higher than the toeboards is an effective method used to prevent falling objects

• true

• false

Unless otherwise noted, scaffolding should not be used within ( ) feet of energized power lines

• 10'

• 3'

• 20'

• 50'

In general, scaffolding should be no more than ( ) inches from the face of work

• 10"

• 8"

• 24"

• 14"

Scaffolds higher than a ( ) ratio must be anchored to prevent tipping

• 2:1

• 3:1

• 4:1

• 5:1