OSHA 30 Hour Construction Program Practice Test

Which of the following types of scaffolds is not widely used?

1. Chimney scaffold

2. Plasterer's scaffold

3. Mobile scaffold

4. Scaffold undergoing inspection

The correct answer is: Plasterer's scaffold

The type of scaffold that is not widely used is the plasterer's scaffold. While becoming less common, plasterer's scaffolding specifically refers to scaffolds designed to support workers who are applying plaster or other materials to walls and ceilings. This type of scaffolding can be quite specialized and is primarily suited for particular tasks, hence it is not as versatile or broadly applicable as other types of scaffolding used in various construction activities. In contrast, the chimney scaffold, mobile scaffold, and scaffolds undergoing inspection all have more general or common applications in the construction industry. Chimney scaffolds are tailored for work on chimneys, mobile scaffolds provide flexibility in moving from one location to another, and scaffolds undergoing inspection are critical for ensuring safety and compliance but represent a necessary process rather than a specific type. Overall, the plasterer's scaffold is less commonly encountered due to the specialized work it supports.