Machine Drawing Dimensioning Principles
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Questions and Answers

How should non-horizontal dimension lines be interrupted for insertion of the dimension?

Preferably near the middle

What should be done when space is limited for dimension placement in engineering drawings?

Dimensions may be placed above the extension of the dimension line or at the end of a leader line terminating on a dimension line.

How should values of dimensions that are out of scale be indicated?

Underlined

What is dimensioning in the context of engineering drawings?

<p>Dimensioning is the expression of features on a drawing using lines, symbols, figures, and notes to completely define all features.</p> Signup and view all the answers

What is the recommended practice for placing dimensions on a drawing?

<p>Dimensions should be placed outside the view as much as possible.</p> Signup and view all the answers

Why should dimensioning to a center line be avoided in engineering drawings?

<p>Dimensioning to a center line should be avoided except when the center line passes through the center of a hole.</p> Signup and view all the answers

What is the purpose of using different types and thicknesses of lines in machine drawing?

<p>Graphical representation of objects</p> Signup and view all the answers

Where should the main scale be shown if multiple scales are used on a drawing?

<p>In the title block</p> Signup and view all the answers

What type of line is used for hidden outlines in machine drawing?

<p>Dashed thick (E)</p> Signup and view all the answers

What is the typical application of a continuous thin line with zigzags (D)?

<p>Line (see Fig. 2.5)</p> Signup and view all the answers

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