what three purposes do technical drawings serve - Answers Visualization communication and
documentation
what is the basic role of engineering design - Answers to provide solutions for problems and fulfill needs
and wants of the public
What are the advantages of CAD - Answers It is fast and far more accurate
List the standard items found in the title block - Answers the scale, company name, drawing number,
drawing name
Name the four curves produced by planes intersecting a right circular cone - Answers
parabola,hyperbola,ellipse,circle
How is the helix used in the industry - Answers for making screws, worm gears, and spiral staircases
What are the three principal dimensions of an object - Answers length width height
What is a flange - Answers A flange is a lip on on a part used for attachment and mounting of another
part
When drawing views what is the standard arrangement - Answers the front view is center with the top
above it and the right view to the right of it. They must be vertically and horizontally alligned
When are section views used - Answers section views are used when a piece or section of a part needs
to be more clearly identified
What is an auxiliary view - Answers a view created to show the true length of an oblique line or an
inclined plane
What do drawings define - Answers drawings define the shape,size, finish, and sometimes the
manufacturing process required
What does STL stand for and why is it important - Answers STL stands for stereolithography and it is
important because it is the best way to transfer a design from CAD to a rapid-prototyping machine
What is tolerance - Answers a range of accuracy for the shape, size, and every position of the product.
Why are dimension symbols preferred - Answers they are internationally recognized and need not be
translated
What are Gage blocks used for - Answers gage blocks are used to measure a parts tolerance. these
blocks must be machined strictly and with extreme precision in order to provide an accurate tolerance
range of a part
Draw a typical screw thread and label the parts - Answers