Computer Aided Drafting 110Assignment 24 Dimensioning

Topics: Dimension, Circle, Typography Pages: 2 (466 words) Published: December 15, 2014
Computer Aided Drafting 110
Assignment 24 Dimensioning Research
Name: Kaitlin Arseneault Date: November 25, 2014
School: Rothesay High School         Period: 4
Questions:

You may use AutoCAD help, the course content and your own experience in answering the following questions.

1. Why is accuracy so important in a CAD drawing?
Accuracy is vital, as a working drawing is the guide from which a tradesperson produces an object 2. Why is adequate font size important when including any kind of text in a drawing? Because people need to be able to see it.

3. What 5 pieces of information should a CAD drawing provide and engineer or architect. Select and draw appropriate system of dimensions.
Create a baseline and continue dimensions.
Control appearance while applying dimension parts to various geometry. Create various styles of dimensions.
Edit dimensions.
4. List and the four types of dimensions provided in CAD. What does each one measure? Linear measures distances, using: A vertical, horizontal or aligned dimension line A baseline (parallel) or continue (chain/one after another)

Ordinate measures the distance of a point, using: An origin point to an object's feature such as a key-way in a part
Radial measures radii and diameters, using: A centre line/mark to arc or circle parameters to show data

Angular measures the angle formed, using: An angle vertex and endpoints to show data - between two lines or use of three points

5. What is the difference between a dimension and en extension line? Dimension lines give distance or extent of dimension and extension lines give the limits of the dimension line. 6. A friend calls you, asking how to dimension the diameter of a circle in an AutoCAD drawing. Help you friend by explaining step-by-step how to include the dimension (assume the circle is already drawn).

Right-click on an existing dimension in your drawing. Click Edit Dimension Style. In the Styles and Standards Editor, click the Text...
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