CRC Foundation & Structural Systems 2

Question 1

In residential framing, what is the horizontal structural member that spans across a window or door opening to carry the load above it?

Accepted Answer

Header

Answer

A header is a horizontal framing member installed above openings to redirect structural loads around the opening to the supporting studs on either side.

Question 2

Which wood framing system uses continuous full-length studs that run from the foundation sill plate all the way to the roof rafters without interruption at each floor level?

Accepted Answer

Balloon framing

Answer

Balloon framing uses long studs running from foundation to roof, with floor joists attached to the side of the studs — unlike platform framing where each floor is built as a separate platform.

Question 3

What is the minimum required bearing length for a wood beam resting on a concrete foundation wall per the IRC?

Accepted Answer

3 inches

Answer

IRC Section R602.6 requires a minimum bearing length of 3 inches for wood beams supported on concrete or masonry walls.

Question 4

In structural engineering for residential construction, which type of load refers to the permanent weight of the building's own structure and fixed components?

Accepted Answer

Dead load

Answer

Dead load is the constant, permanent weight of structural materials, finishes, and fixed equipment that does not change over the life of the building.

Question 5

What is the primary structural advantage of using LVL (Laminated Veneer Lumber) beams over solid sawn lumber beams of the same dimension?

Accepted Answer

LVL offers greater dimensional stability and more predictable, consistent strength

Answer

LVL is an engineered product manufactured under controlled conditions, eliminating natural defects and providing consistent, predictable strength properties superior to solid sawn lumber.

(CRC) Certified Residential Contractor Practice Test

(CRC) Certified Residential Contractor Practice Test

CRC Foundation & Structural Systems 2