Blueprint Reading & Specifications Flashcards
7 cards from real CRC 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 & Specifications flashcards as text
On a residential blueprint, what does the abbreviation 'CLG HT' typically indicate?
Answer: Ceiling height
CLG HT stands for ceiling height, a critical dimension shown on floor plans and sections.
A dashed line on a floor plan most commonly represents:
Answer: An overhead feature or hidden element above the cut plane
Dashed (hidden) lines on floor plans represent features above the standard 4-foot cut plane, such as upper cabinets or headers.
In construction specifications, Division 03 of the MasterFormat refers to:
Answer: Concrete
MasterFormat Division 03 covers concrete work including formwork, reinforcing, and cast-in-place concrete.
What does a triangle symbol with a letter or number inside it on blueprints typically denote?
Answer: A section cut reference pointing to another sheet
A triangle with a letter/number is a section reference bubble, indicating where a section cut is taken and which sheet shows the detail.
On a site plan, contour lines that are close together indicate:
Answer: Steep slope
Closely spaced contour lines mean the elevation changes rapidly over a short horizontal distance, indicating steep terrain.
Which scale is most commonly used for residential floor plans in the United States?
Answer: 1/4" = 1'-0"
Quarter-inch scale (1/4" = 1'-0") is the standard for residential floor plans, balancing detail and sheet size.
A specification section labeled '09 91 00' in MasterFormat most likely covers:
Answer: Painting
MasterFormat section 09 91 00 falls under Division 09 Finishes and specifically covers painting and coating work.