North Carolina General Contractors Practice Exam

What measurement does a reference stake provide?

1. The vertical height of the structure

2. The distance from the hub to the center line of the fill

3. The total area of the land being developed

4. The weight capacity of the soil

The correct answer is: The distance from the hub to the center line of the fill

A reference stake is primarily used in construction and surveying to establish a specific point of measurement that serves as a reference for layout and alignment purposes. When it comes to the distance from the hub to the center line of the fill, the reference stake helps to ensure that all elements of the project are in alignment according to the design specifications. By measuring the distance accurately from the hub, which is often the origin point for construction layout, to the center line of the fill, surveyors and contractors can ensure that the fill is placed correctly, maintaining the intended topography and dimensions of the site. This is vital for proper drainage, foundation setting, and overall structural integrity. The other options focus on different aspects of construction measurement that are not directly related to the specific function of a reference stake, which is primarily about establishing reference points for layout rather than measuring total areas, vertical heights, or soil weight capacity.