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CADD-2 Lesson 3
Piedmont Tech EGT-151 Labs 1-5
Term/Question | Definition/Answer |
---|---|
Absolute, Relative, Polar | 3 Methods of Drawing |
Front View | Projects to the Vertical Plane |
Side View | Projects to the Profile Plane |
Top View | Projects to the Horizontal Plane |
Miter Line | 45 degree line used to project depth between views |
Chamfer | A beveled edge between two otherwise intersecting surfaces. |
Fillet | An arc of constant radius blending two otherwise intersecting surfaces. |
How many options are in the ARC command? | Eleven. |
Rectangular ARRAY | Arranges multiple copies in a specified number of rows & columns. |
Polar ARRAY | Creates multiple copies that are equally spaced around a specified center. |
First Angle Projection | Used in European Countries |
Third Angle Projection | Used In the United States and Canada |
The Front View should always... | show the greatest amount of detail and express the true shape of the part. |
HATCH Command | Adds Cross-sectional lines to a sectional view. |
How many views does a cylindrical object usually require? | 2. |
How many views does a spherical object usually require? | 1. |
When a Hidden line & a Centerline project at the same location which one should you show? | Hidden Line. |
When a Visible Line & a Hidden line project at the same location, which one should you show? | Visible. |
Chord | Length of a line drawn from endpoint to endpoint of an arc. |
Pictorial & Technical drawing is considered a form of what? | Communication. |
Array | A rectangular or circular pattern of graphical objects. |
Cross Hatching | Defines the material in a sectional view. |
Purpose of a Floor Plan? | Locate walls, windows, doors, cabinets, major appliances, and fixtures. Plan space. |
Included Angle | Angle measured between 2 lines drawn from each endpoint of an arc. |
How many views are normally required to describe most parts? | 2 or 3. |
When using 1st angle projection, where is the top view located? | Below the Front View. |
When using 3rd angle projection, where is the top view located? | Above the Front View. |
Continue Option | Allows you to string dimensions in a continuous line, such as windows & doors in a floor plan. |
What are the steps to create a Hatch pattern? | Choose the Hatch, Set scale & angle, define the boundary, preview & then apply. |
Point of Tangency | Line, circle, or arc that touches another curved surface without any crossing or intersection. Creates a 90 degree angle from center. |