Civil Engineering Professional Engineer Practice Exam

Which system of structural components provides resistance from various forces?

1. Behavioural components

2. Load-bearing structures

3. Braces

4. Support systems

The correct answer is: Braces

The correct choice highlights the role of braces in providing structural resistance against various forces, particularly lateral forces such as wind or seismic activity. Braces are essential elements in a building's framework that help maintain stability and rigidity. By triangulating the structure, braces effectively redistribute loads and counteract forces that would otherwise lead to structural failure or excessive deformation. They enhance the overall strength of the structure by preventing buckling and allowing it to withstand dynamic loads. While load-bearing structures also contribute significantly to resisting forces, they are typically more about supporting vertical loads rather than specifically counteracting lateral forces. Support systems encompass a broader range of components, including foundations and columns, but may not focus explicitly on the resistance provided by braces. Behavioral components would typically refer to aspects related to the performance of materials and systems rather than specific structural resistive elements, making them less relevant in this context. Thus, braces are vital for maintaining structural integrity under varying load conditions.