Technical Drawings Flashcards
The plan view is from the ______.
Top or bottom
What are two types of Orthographic Drawings?
- First Angle
- Third Angle
What is this?
First Angle View
Where are Third Angle and First Angle Projections used?
- First Angle is used in Europe
- Thrid Angle is used in North America
What type of drawing is this?
Isometric
What type of drawing is this?
Oblique
What is this?
Visible Outline or Object Lines
What type of line is this?
Hidden Line
What type of line is this?
Centre Line. Also used for path lines, pitch, circles, and axes of symmetry.
What type of lines are these?
Dimensioning Lines
What type of lines are these?
Section Lines (hatching)
What type of lines are these?
Cutting Plane Lines:
Simple Sections
Offset Sections
What type of lines are these?
Break Lines:
Long
Short
What type of lines are these?
Phantom Lines. Used for adjacent parts, alternate positions, develops views and portions to be removed.
What type of line is this?
Stitch line. Used to indicate seams in leather, plastic and textiles.
What type of line is this?
Surface Zone Lines. Used to indicate a surface length that requires special instructions such as finish.
What type of material is this?
Iron
What type of material is this?
Steel
What type of material is this?
Brass, Bronze, Copper
What type of view is this?
Exploded View
What are hidden lines?
Lines that show surfaces or features of an object not seen in choosen views.
What are Break Lines?
Lines used to shorten long and uniform sections.
What are Section Lines?
Parallel or Diagonal lines that identify a sectional view of an object in a drawing.
What types of lines are these?
Extension and Dimension lines
