DRAW 102 REVIEWER Flashcards
Normally the ____ dimension is chosen as the width (or depth)
longest dimension
Six Principle Views:
Front, Right Side, Top, Bottom, Left Side, Rear
used to represent symmetry and to mark the center of circles and the axes of cylinders, and the axes of symmetrical parts, such as cylinders and bolts
Centerlines
Pick a front view that is most descriptive object, normally the longest dimension is chosen as the width (or depth)
Rules of Orthographic Drawing
it suspend the object with transparent strings inside a _____
Glass box
are a collection of 2D drawings that word together to give an accurate overall representation of an object
Orthographic Projection
what the symbol of ISO projection indicates?
whether the drawing follows the third- or first-angle projection system.
Most common combination of views are?
Front, Top, and Side View
what countries used a third-angle system of projection for drawings, whereas other countries use a different system known as first-angle projection.
United States and Canada
used to represent features that cannot be seen in the current view
Hidden lines
are views that simply represented by rotating the object
Front, Right, Side and Top Views (Principle Views)
United states and Canada used a third-angle system of projection for drawings, whereas other countries use a different system known as ___________.
First-angle projection
Freeze the view from each direction (each of the six sides of the box) and unfold the box
Glass Box
Front, Right Side and Top are views that simply represented by rotating the object
Principle Views
What is the purpose of introducing the ISO projection symbols?
to indicate that there is a continuously increasing international exchange of drawings for the production of interchangeable parts.
used to represent features that are seen in the current view
Visible Lines
Most powerful technique to understand orthographic projections
Glass Box
