Blueprint Reading Flashcards
7 cards from real AIT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Blueprint Reading flashcards as text
On a mechanical drawing, what does a hidden line typically look like?
Answer: A dashed or short-dash line
Hidden lines are represented by dashed (short-dash) lines to show edges or features not visible from the current view.
What is the purpose of a title block on a blueprint?
Answer: To provide project identification, scale, revision number, and drawing details
The title block contains essential drawing information including the project name, drawing number, scale, revision history, and designer's name.
What does the term 'scale 1:10' mean on a blueprint?
Answer: One unit on the drawing equals 10 units on the actual object
A scale of 1:10 means one unit of measurement on the drawing represents 10 units on the real object.
Which symbol on a weld blueprint indicates a fillet weld?
Answer: A right triangle
A right triangle (fillet) symbol placed on the reference line of a welding symbol indicates a fillet weld.
In blueprint reading, what does 'OC' or 'O.C.' stand for?
Answer: On Center
'OC' stands for 'On Center,' indicating the distance measured from the center of one structural member to the center of the next.
What type of line is used to show where a section view is cut on a blueprint?
Answer: Cutting plane line
A cutting plane line (typically a thick dash-dot line with arrows) shows the location and direction of a section cut.
When reading an isometric drawing, how many axes are used to represent the three dimensions?
Answer: Three axes each at 120 degrees apart
Isometric drawings use three axes each separated by 120 degrees to give a 3D appearance on a 2D surface.