Which method is primarily used for adjusting surveys with angular measurements?

• A. Least squares
• B. Compass Rule
• C. Crandall
• D. Transit Rule

Answer: (C)

The Crandall method is specifically designed to adjust surveys that involve angular measurements. It focuses on providing accurate adjustments for angles in survey data, which is crucial for ensuring that the final computations reflect precise measurements. This method acknowledges the inherent errors in angular observations and applies mathematical corrections to distribute those errors evenly across the measurements.

By utilizing the Crandall method, surveyors can achieve a more reliable and precise representation of the surveyed area, which is essential for maintaining the integrity of positional accuracy in surveying work. The Crandall method's design allows for effective adjustments, particularly in traverses and other survey configurations where angles play a critical role in defining lines and positions.

Understanding and applying the Crandall method correctly ensures that surveyors can produce reliable maps and plans based on the data collected, making it an essential tool in the surveying profession.