Red Seal Carpenter Practice Exam

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What type of scaffold requires counterweights?

Frame.
Rolling.
Cantilever.
Tube and clamp.

The correct answer is: Cantilever.

Cantilever scaffolding is a type of scaffolding that is supported at one end and uses counterweights on the other end to balance the load. This type of scaffold is popular for long, narrow structures such as bridges or tall buildings. Frame scaffolding (A) uses cross braces for support and does not require counterweights. Rolling scaffolding (B) have wheels at the base that can be moved easily and do not typically use counterweights. Tube and clamp scaffolding (D) uses tubular metal parts held together by clamps and does not require counterweights. These options are incorrect because they do not involve counterweights for support, unlike cantilever scaffolding.