CLC CLC Structural Carpentry & Framing

Question 1

What is the standard spacing for wall studs in residential construction?

Accepted Answer

16 inches on center

Answer

12 inches on center

Answer

24 inches on center

Answer

32 inches on center

Question 2

Which type of header is most commonly used above a load-bearing door opening?

Accepted Answer

Double 2×10 with 1/2-inch plywood spacer

Answer

Single 2×4 flat

Answer

Single 2×6 on edge

Answer

Triple 2×4 stacked

Question 3

What is the purpose of a cripple stud in wall framing?

Accepted Answer

To fill the space above or below a rough opening

Answer

To support the ridge board

Answer

To transfer lateral loads to the foundation

Answer

To connect parallel walls

Question 4

In platform framing, the subfloor acts as a working platform for:

Accepted Answer

Framing the next level's walls

Answer

Roof truss assembly only

Answer

Installing mechanical systems

Answer

Pouring the concrete slab

Question 5

What is the minimum bearing length for a floor joist resting on a wood sill plate?

Accepted Answer

2 inches

Answer

1 inch

Answer

1.5 inches

Answer

3 inches

Question 6

Which framing member runs perpendicular to floor joists to prevent rotation and increase rigidity?

Accepted Answer

Bridging or blocking

Answer

Rim joist

Answer

Ledger board

Answer

Beam pocket