Arts High School

centerlines have precedence over hidden lines. true or false

Answers

Answer 1

The statement "Centerlines have precedence over hidden lines" is generally true in the context of technical drawing and engineering graphics.

Centerlines and hidden lines are both types of lines used to represent different features of an object in a drawing, and they serve different purposes.

Centerlines are used to represent the axis or center of symmetry of a cylindrical or symmetrical object. They are used to indicate the center of circles or arcs, as well as the axes of symmetry for symmetrical parts.

Centerlines are typically drawn as a series of alternating long and short dashes, with the long dashes indicating the endpoints of the centerline.

On the other hand, hidden lines are used to represent features of an object that are not visible in a particular view of the object.

Hidden lines are typically shown as short dashes or dots, and they are used to indicate edges or surfaces that are hidden from view.

When centerlines and hidden lines intersect, centerlines have precedence over hidden lines.

This means that the centerline takes precedence in terms of visibility, and it should be drawn in such a way that it appears uninterrupted and unbroken, even if it intersects with a hidden line.

This precedence is important because centerlines provide important information about the object being depicted. They show the axis of symmetry and can indicate important features such as holes, slots, or other symmetrical features.

In contrast, hidden lines are used to represent features that are not visible, and they are typically less important in terms of conveying critical information about the object being depicted.

In summary, centerlines have precedence over hidden lines in technical drawing and engineering graphics, and it is important to ensure that centerlines are drawn in such a way that they are uninterrupted and unbroken, even if they intersect with hidden lines.

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