Blueprint Reading and Technical Drawings Flashcards
6 cards from real Apprenticeship Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Blueprint Reading and Technical Drawings flashcards as text
What does the abbreviation 'O.C.' mean on a framing plan?
Answer: On Center
O.C. (on center) specifies the measurement between the centers of repeating structural elements such as studs or joists.
Which view in a blueprint set shows the layout of rooms as seen from directly above?
Answer: Floor plan
A floor plan is a top-down view cut horizontally through the building, showing room arrangement, walls, doors, and windows.
On mechanical drawings, what does the symbol for a gate valve look like?
Answer: Two triangles pointing toward each other at a pipe
A gate valve is represented on mechanical drawings by two triangles meeting at their points on a pipe line.
What does a 'detail drawing' provide that a general plan cannot?
Answer: Enlarged, more precise information about a specific construction element
Detail drawings zoom in on small, complex areas — like connections or assemblies — to provide precise fabrication or installation information.
What does the abbreviation 'TYP' mean on a blueprint?
Answer: Typical — indicates a detail applies to all similar conditions
TYP (typical) means that the noted detail, dimension, or condition applies to all similar instances throughout the drawing.
On a site plan, what does a contour line represent?
Answer: A line connecting points of equal elevation on the ground
Contour lines on a site plan connect all points at the same elevation, showing the topography and slope of the land.