CST Level 1 Land Surveyor Certification Practice

Which description fits a Laser Level?

1. An instrument that uses a rotating, level laser beam detected by a sensor

2. A tool for measuring soil depth

3. An analog method of measuring elevation

4. An electronic tool for adjusting land contours

The correct answer is: An instrument that uses a rotating, level laser beam detected by a sensor

A Laser Level is fundamentally an instrument that emits a rotating laser beam that can be detected by a sensor, providing highly accurate leveling over distance. The primary function of a laser level is to establish a reference line or plane that is level, and this capability is crucial in various surveying, construction, and landscaping applications. The ability to project a consistent and straight laser line greatly improves the precision of horizontal and vertical alignment tasks. This function distinguishes it clearly from other tools mentioned in the other descriptions. For instance, a tool meant for measuring soil depth does not incorporate the leveling aspect or the precision that a laser beam provides. Similarly, analog methods of measuring elevation would not leverage the technology of laser beams, and instead rely on more traditional and less accurate methods. Lastly, while adjusting land contours is indeed relevant to land surveying, an electronic tool for that purpose would not necessarily denote the specific functions of a laser level, which is primarily concerned with providing a level reference rather than adjusting contours directly.