Manufacturing Skill Standards Council (MSSC) Safety Assessment Practice Test

A step ladder is often referred to as what type of ladder?

1. Extension ladder

2. A-frame ladder

3. Multi-purpose ladder

4. Straight ladder

The correct answer is: A-frame ladder

A step ladder is commonly referred to as an A-frame ladder due to its shape when fully opened. This design features two legs that form the letter "A," providing stability and support while allowing users to safely access elevated areas. The A-frame configuration includes a pivoting hinge at the top, which locks the ladder in place for secure use. This type of ladder is specifically built for stability and is ideal for tasks that require standing at a height, such as painting, home repairs, or other projects. A-frame ladders are generally self-supporting, which means they do not require additional support from a vertical surface, making them versatile for various indoor and outdoor applications. The other types of ladders mentioned, such as extension ladders, multi-purpose ladders, and straight ladders, serve different purposes and designs. For example, extension ladders are designed to reach higher places and can be adjusted in length, while straight ladders are typically leaned against a wall for access. Understanding the specific design and use case for each type of ladder is crucial for safety and efficiency in tasks involving height.