Materials Selection Flashcards
7 cards from real CCS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Materials Selection flashcards as text
Which ASTM standard governs the standard specification for portland cement?
Answer: ASTM C150
ASTM C150 is the Standard Specification for Portland Cement, covering eight types of hydraulic cement.
A specifier selecting reinforcing steel for a project in a coastal environment should prioritize which material property above all others?
Answer: Corrosion resistance
Coastal environments expose steel to chloride-laden air, making corrosion resistance the primary selection criterion to ensure long-term durability.
When specifying stone veneer for exterior cladding, which property is most critical in freeze-thaw climates?
Answer: Absorption rate
Low water absorption limits moisture intrusion and reduces the risk of spalling caused by freeze-thaw cycling within the stone.
Which document type best communicates mandatory material performance requirements to a contractor without dictating the specific product brand?
Answer: Performance specification
A performance specification defines required end-result criteria, allowing any product that meets those criteria to be used.
A Life Cycle Assessment (LCA) of a building material primarily evaluates which aspect?
Answer: Environmental impacts from raw material extraction through end-of-life disposal
An LCA quantifies environmental burdens—energy, emissions, waste—across every stage of a product's life from cradle to grave.
Which roofing membrane material is characterized by outstanding UV resistance and is commonly specified for low-slope roofs in high-sun climates?
Answer: TPO (Thermoplastic Polyolefin)
TPO membranes have excellent UV and ozone resistance and their reflective white surface reduces heat gain, making them well-suited for sunny climates.
In CSI MasterFormat, where would a specifier typically place the specification section for structural steel fabrication?
Answer: Division 05 – Metals
Division 05 covers metals, including structural steel framing and fabrication sections under MasterFormat.