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
An Architect selects ASTM A36 structural steel. Which property value does this designation most directly communicate?
Answer: Minimum yield strength of 36 ksi
ASTM A36 designates a carbon structural steel with a minimum yield strength of 36,000 psi (36 ksi).
Which of the following best defines 'embodied carbon' as applied to building material selection?
Answer: Greenhouse gas emissions associated with material manufacturing, transport, and installation
Embodied carbon refers to the total greenhouse gas emissions released during upstream phases—extraction, manufacturing, transportation, and construction—of a building material.
When specifying masonry mortar for new construction using Type S mortar, which compressive strength does ASTM C270 assign to Type S?
Answer: 1,800 psi minimum
ASTM C270 classifies Type S mortar with a minimum compressive strength of 1,800 psi, suitable for below-grade and high-load applications.
A specifier must choose between aluminum and stainless steel for exterior hardware on a building near a saltwater marina. Which factor most strongly favors stainless steel?
Answer: Superior resistance to pitting corrosion from chlorides
Marine chloride environments can cause pitting in aluminum alloys, whereas Type 316 stainless steel is alloyed with molybdenum to resist chloride-induced pitting.
In evaluating sustainable material selection under LEED v4, which credit category directly rewards the use of products with Environmental Product Declarations (EPDs)?
Answer: Building Product Disclosure and Optimization – Environmental Product Declarations
LEED v4's MR credit 'Building Product Disclosure and Optimization – EPDs' awards points for using products that have published EPDs documenting their environmental impacts.
A product's SDS (Safety Data Sheet) is most useful to a specifier when evaluating a material for:
Answer: Handling hazards, VOC content, and disposal requirements
The SDS provides OSHA-required information on chemical hazards, safe handling, VOCs, and disposal—all relevant to occupant safety and indoor air quality specifications.
Which test method measures the resistance of a roofing or waterproofing membrane to hydrostatic pressure, simulating below-grade conditions?
Answer: ASTM D5385 – Hydrostatic Pressure Resistance
ASTM D5385 tests waterproofing materials under direct hydrostatic pressure, simulating the conditions experienced by below-grade membranes.