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CADD-2 Lesson 3

Piedmont Tech EGT-151 Labs 1-5

Term/QuestionDefinition/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.
Created by: tmurphy