Civil Engineering Professional Engineer Practice Exam

Which instrument is commonly used in land surveying?

1. Laser Level

2. Theodolite

3. Total Station Instrument

4. Measuring Wheel

The correct answer is: Total Station Instrument

The total station instrument is widely used in land surveying because it combines several functionalities into one device. It integrates the capabilities of an electronic theodolite, which measures angles, with an electronic distance measuring device. This allows surveyors to capture both the horizontal and vertical angles, as well as the distance to a specific point, all in a single instrument. One of the key advantages of a total station is its ability to store data digitally for later retrieval and analysis, which significantly enhances efficiency in surveying tasks. It's also compatible with various surveying software, enabling seamless integration of collected data into project workflows. The total station's versatility makes it invaluable for applications ranging from simple boundary surveys to complex construction projects. While other instruments like laser levels and theodolites have their specific uses, they do not provide the comprehensive capabilities that a total station offers. A measuring wheel, although useful for quick distance measurements, lacks the precision and functionality required for detailed land surveying tasks.