Welded Frame Scaffolds

A cross brace consists of two rails joined at the center to form a(n) _____________________

• A
• L
• E
• X

Welded frame scaffolds have a relatively high load capacity, which makes them suitable for a wide variety of applications

• true
• false

Welded frame scaffolds over 125´-0˝ in height must be prefabricated.

• true
• false

A component consisting of a tube with locking mechanisms on both ends, used for guardrails or other horizontal applications, is called a(n) _____________________.

• cross brace
• guardrail
• gooser
• brace

Which of the following welded frames provides additional access to scaffold bays by making it easier to move from one scaffold bay to the next?

• canopy frame
• open-end frame
• masonry frame
• outrigger frame

Which of the following welded frames includes a built-in ladder that provides ready access from one scaffold lift to the next?

• canopy frame
• open-end or walk-thru frame
• masonry frame
• access frame

Outrigger and outrigger frames make it possible to erect and use a scaffold of greater height without violating safety regulations.

• true
• false

The maximum height-to-base ratio must be maintained on all rolling towers except those in Canada and _____________________, where the ratio may not exceed 3:1.

• California
• Washington
• Iowa
• Colorado

Which of the following welded frames provides protection for personnel or pedestrians passing beneath the scaffold?

• canopy frame
• open-end or walk-thru frame
• masonry frame
• access frame

Intended only for light duty, side or end brackets can safely support personnel but not heavy equipment or material loads.

• true
• false