Intro and instruments Flashcards
What is drafting?
A graphic language that uses pictures and symbols to communicate thoughts and ideas
What are the 2 basic types of drawings?
Technical Drawings
Artistic Drawings
What a a technical draw g used for?
Used for practical purposes
How are technical drawings prepared?
With the use of mechanical instruments or CAD
What kind of drawing is an exact, detailed description of the actual object.
Technical Drawing
What kind of drawing is used for cultural purposes?
Artistic drawing
How are Artistic drawings prepared?
Freehand
What kind of drawing uses a standardized method of representation used throughout the industry?
Technical drawing
What kind of drawing is an approximate representation of the actual objects
Artistic drawing
What kind of drawing uses no standardized method of representation?
Artistic drawing
What are the two main branches of technical drawings?
Mechanical drafting
Architectural drafting
What type of technical drawing played an important role in today’s technological world?
Mechanical drafting
What type of draftsperson would be concerned with machine design, aircraft design, sheet metal fabrication, piping for the petrochemical industry?
Mechanical draftsperson
What type of drafting is concerned with the design, representation, and specifications for a variety of buildings and structures?
Architectural Drafting
What type of draftsperson can be found throughout the construction industry?
Architectural Draftsperson
A drafting board is covered with a layer of what?
What is it called
Vinyl or plastic
Called Borco
What tool is used to draw straight horizontal or vertical lines?
Parallel Slide
What acts as a base for set squares when drawing vertical or slanted lines?
Parallel Slide
What is an older alternative to the parallel slide?
T square
What is used to draw straight lines which can be vertical or slanted at 45 degrees
45 degree set square
What is used to draw straight lines that can be vertical or at 30 or 60 degrees slants?
30degree/60degree set square
Using the 30 and 45 set squares together what angles can be produced?
30/45/60/90/15/75 degrees
Scales are used to measure what?
Lengths of lines
What are 3 types of scales?
Full scale (1:1) Reduced scale (1:2) Enlarged scale (2:1)
What is a bow compass used for
To draw circles precisely up to 3” diameter
What is used to draw larger radius circles?
Rail Compass
What is used to draw common items rapidly?
Templates
Name 3 types of templates.
Architectural template
Electrical template
Plumbing template
Which lead is softer
6H or 3B
3B
Which lead is harder
7H or 7B?
7H
Which lead is softest
4H, 2B, 6B, 1H
6B
