California Residential Inspector Practice Exam

What supports openings within a masonry wall?

1. Masonry arches

2. Reinforced concrete lintel

3. Steel lintel

4. All of these are acceptable

The correct answer is: All of these are acceptable

Openings within a masonry wall, such as doors and windows, require structural support to maintain the integrity of the wall and to distribute loads appropriately. Each of the options listed serves as a valid method for providing this support. Masonry arches can span gaps in masonry walls, utilizing the strength of the materials and the shape of the arch to distribute loads effectively. They are designed to channel forces downward and outward, making them a traditional and effective choice for supporting openings. Reinforced concrete lintels are another solution. These lintels are made of concrete reinforced with steel bars, allowing them to bear heavy loads while spanning openings. The combination of concrete's compressive strength and steel's tensile strength makes reinforced concrete lintels highly effective for this purpose. Steel lintels also provide robust support. Made from structural steel, they are strong enough to carry significant loads and are often used in situations where space or aesthetics require a slimmer profile than that of masonry or concrete alternatives. Since all three types of supports—masonry arches, reinforced concrete lintels, and steel lintels—are viable options for supporting openings in masonry walls, it is accurate to say that all of these are acceptable methods. This comprehensive approach allows builders and inspectors to choose the best support option based on