CST Level 1 Land Surveyor Certification Practice

What is the definition of a Right Deflection Angle?

1. Measured counterclockwise from the horizontal line

2. Measured clockwise from the extension of the rear line to the forward line

3. Measured vertically from the horizontal plane

4. Measured directly to the left of the forward line

The correct answer is: Measured clockwise from the extension of the rear line to the forward line

The definition of a Right Deflection Angle is indeed measured clockwise from the extension of the rear line to the forward line. This angle specifically indicates how much the forward line deviates from the rear line in a clockwise direction. In surveying and civil engineering, understanding deflection angles is crucial for laying out curves, road alignments, and plot boundaries. This definition is particularly important when setting out construction projects or performing land surveys, as it provides clear information about the direction and magnitude of turns in the path or survey lines. This kind of measurement contrasts with other types of angles that may be defined differently, such as left deflection angles or various vertical angles.