Materials Selection Flashcards
7 cards from real CCS practice questions. Tap to flip, then mark Knew It or Still Learning โ missed cards come back until you master them.
Read the first 7 Materials Selection flashcards as text
A specifier comparing a fiber-reinforced polymer (FRP) grating to galvanized steel grating for a wastewater treatment facility would most likely favor FRP due to its:
Answer: Superior chemical and corrosion resistance
FRP is inherently resistant to the corrosive chemicals present in wastewater facilities, which would rapidly degrade galvanized steel.
Which term describes the ability of a material to deform significantly before fracturing, a property critical in seismic design?
Answer: Ductility
Ductility allows a material to undergo plastic deformation and dissipate seismic energy without sudden brittle fracture.
Which insulation material would be most appropriate when specifying for a below-grade foundation wall where moisture exposure is expected?
Answer: Extruded Polystyrene (XPS)
XPS has a closed-cell structure that resists moisture absorption, making it the standard choice for below-grade and wet applications.
When selecting a sealant for a structural glazing application, which property is most critical?
Answer: Structural silicone adhesion and tensile strength
Structural glazing sealants must support the weight of the glass; high tensile adhesive strength to both glass and frame is the primary requirement.
The R-value of a building material is a measure of its:
Answer: Thermal resistance
R-value quantifies a material's resistance to conductive heat flow; higher R-values indicate greater insulating effectiveness.
A specifier is selecting flooring for a hospital corridor requiring a seamless, hygienic, slip-resistant surface. Which material best meets all three criteria?
Answer: Poured epoxy terrazzo
Poured epoxy terrazzo provides a continuous seamless surface that is easy to sanitize, durable, and can be formulated for appropriate slip resistance.
Which standard organization publishes the 'Sweets' system of product data and is a primary resource for material specification references in North America?
Answer: CSI (Construction Specifications Institute)
The Construction Specifications Institute (CSI) developed and maintains the MasterFormat and SectionFormat frameworks used throughout the Sweets system.