Lesson 1 Symbols, Convention, Abbreviation Flashcards
Threaded bolts and rods are drawn with ? symbols.
mechanical
A convention is defined as a practice that has become the customary way of doing something.
true
The two general classifications of electrical symbols are one-line and ?
standard
Cross-hatching is made up of ? lines drawn at an angle.
fine
A(n) ? is added to a basic symbol to further clarify what is needed.
variation
Symbols used to represent concrete, gravel, or sand are examples of ? symbols.
architectural
The type of weld to be made on a piece of material can be shown with a ? symbol.
structural
A ? is a method used for exposing the inside of an object as though it has been cut through.
section
The letters at the ends of the cutting plane line show the direction from which the section is viewed.
false
The depth of a drilled hole would be shown in a ? drawing.
mechanical section
When special details need to be shown on an electrical drawing, one would use a ? drawing symbol.
standard
One-line diagrams are simplified versions of ? diagrams.
complete
To avoid confusion, blueprints usually contain only a few abbreviations.
false
The ? for a distribution line shows roads, towns, and section lines.
plan
The contour of the terrain directly under the outside conductor is shown with a ? line.
broken
