What characteristic defines a Hidden Line in drawings?

• A. Indicates a break in the object
• B. Represents visible edges
• C. Shows outlines of objects behind others
• D. Marks the center of symmetry

Answer: (C)

A Hidden Line in technical drawings is specifically used to show outlines of objects that are behind other objects, allowing viewers to understand the complete spatial relationship of various components without having to visually separate them. This line type is typically represented by dashed or dotted lines to differentiate it from visible edges, which are represented by solid lines.

By using Hidden Lines, the designer effectively communicates details that are occluded by foreground elements, ensuring that all relevant features of a design are presented. This aspect is essential in engineering and architectural drawings where obscured details might be crucial for manufacturing or construction processes.