BC Real Estate Trading Services Course Building Design and Construction 2

Question 1

Which type of foundation is most commonly used for wood-frame residential construction in BC?

Accepted Answer

Poured concrete perimeter wall

Answer

Slab-on-grade

Answer

Pier and beam

Answer

Helical pile

Question 2

In wood-frame construction, a 'header' is used to:

Accepted Answer

Span openings such as doors and windows to carry load

Answer

Connect the roof to the exterior walls

Answer

Anchor the wall plate to the foundation

Answer

Provide lateral bracing against wind loads

Question 3

Which roofing material has the longest typical lifespan in BC's climate?

Accepted Answer

Metal roofing

Answer

Asphalt shingles

Answer

Wood shakes

Answer

Three-tab shingles

Question 4

A building's 'R-value' refers to:

Accepted Answer

A material's resistance to heat flow (thermal resistance)

Answer

The ratio of usable floor area to total building footprint

Answer

The building's resistance to lateral seismic forces

Answer

The reflectivity rating of exterior cladding materials

Question 5

In BC residential construction, 'balloon framing' differs from 'platform framing' primarily in that:

Accepted Answer

In balloon framing, studs run continuously from foundation to roof without floor platforms

Answer

Balloon framing uses engineered wood products exclusively

Answer

Platform framing is only used for multi-storey commercial buildings

Answer

Balloon framing uses wider studs at 24-inch spacing

Question 6

Which of the following best describes the purpose of a vapor barrier in BC wall construction?

Accepted Answer

To control moisture migration and prevent condensation within the wall cavity

Answer

To prevent wind from penetrating the wall assembly

Answer

To increase the structural strength of the wall

Answer

To provide a fire-resistant layer behind the drywall