Construction and Building Trades Flashcards
6 cards from real NOCTI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Construction and Building Trades flashcards as text
What is the primary purpose of a building permit?
Answer: To ensure construction meets local building codes and safety standards
A building permit is official approval from a local authority confirming that proposed construction complies with zoning laws and safety codes.
Which type of foundation is most commonly used for residential homes in the US?
Answer: Concrete slab or poured concrete wall foundation
Residential homes most commonly use poured concrete slab or poured concrete wall (basement/crawl space) foundations due to cost and reliability.
What does the term 'load-bearing wall' mean?
Answer: A wall that supports the weight of the structure above it
A load-bearing wall carries structural loads from floors and roofs above and transfers them down to the foundation.
In electrical wiring, what color is typically used for the neutral wire in US residential construction?
Answer: White
In US residential wiring, white (or gray) insulation identifies the neutral conductor, which carries current back to the panel.
What is the purpose of flashing in roofing and construction?
Answer: To prevent water infiltration at joints and transitions
Flashing is thin metal or waterproof material installed at roof joints, valleys, and penetrations to direct water away and prevent leaks.
What does the term 'R-value' indicate in building construction?
Answer: The thermal resistance of insulation material
R-value measures how well insulation resists heat flow; a higher R-value indicates better insulating performance.