Questions: Which line type in a technical drawing is used to represent the visible edges or outlines of an object? A) Dashed line B) Solid thick line C) Chain line D) Center line

The answer is B) Solid thick line: the original text in the question...

Explanation for each option:

A) Dashed line - Incorrect. Dashed lines are typically used to represent hidden edges or features that are not directly visible in the view.

B) Solid thick line - Correct. Solid thick lines are used to represent the visible edges or outlines of an object in technical drawings. They are the most prominent lines and define the shape of the object.

C) Chain line - Incorrect. Chain lines are often used to indicate centerlines of symmetry, paths of motion, or to represent adjacent parts.

D) Center line - Incorrect. Center lines are used to represent the axes of symmetry in a drawing, such as the center of a circle or the axis of a cylinder, and are typically drawn as alternating long and short dashes.

In summary, the correct line type used to represent the visible edges or outlines of an object in a technical drawing is the solid thick line.