Blueprints, Schematics, & Specifications Flashcards
7 cards from real CPI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Blueprints, Schematics, & Specifications flashcards as text
When a set of drawings includes both a 'G' series and an 'A' series, what does each series typically represent?
Answer: G = General/cover sheets; A = Architectural drawings
In standard drawing sets, 'G' sheets are general sheets (title sheet, notes, legends) and 'A' sheets are architectural plans, sections, and elevations.
An installer receives drawings stamped 'FOR CONSTRUCTION' and later receives updated drawings stamped 'ISSUED FOR BID.' Which set should be used for installation?
Answer: The 'For Construction' set because it is the approved field document
'For Construction' drawings are the engineer/architect-approved documents authorized for field use; bid documents are preliminary and not for installation.
What is the function of a 'legend' on a blueprint?
Answer: It defines the symbols, abbreviations, and line types used on the drawing
A legend is a key that explains every symbol, abbreviation, and line style used throughout the drawing so readers can accurately interpret the plans.
On a structural drawing, 'W12×53' refers to what type of structural member?
Answer: A wide-flange steel beam approximately 12 inches deep weighing 53 lbs/ft
The W-shape designation indicates a wide-flange (I-beam) section; the first number approximates the nominal depth in inches and the second is weight per linear foot.
A specification section for low-voltage cabling references 'TIA-568.' What does this standard govern?
Answer: Structured cabling for telecommunications in commercial buildings
TIA-568 is the Telecommunications Industry Association standard that defines requirements for structured cabling systems used in commercial buildings.
What is a 'shop drawing,' and who is typically responsible for preparing it?
Answer: A detailed fabrication or installation drawing prepared by the contractor, subcontractor, or manufacturer
Shop drawings are contractor- or manufacturer-produced documents showing exactly how a product will be fabricated or installed, submitted for engineer/architect review before work begins.
If a drawing scale reads '1/4" = 1'-0",' how many feet does a measured length of 3 inches on the drawing represent in real life?
Answer: 12 feet
At 1/4" = 1', one inch on the drawing equals 4 feet; therefore 3 inches equals 12 feet in the field.