NCCER Basic Carpentry & Framing 2

Question 1

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

Accepted Answer

16 inches

Answer

Standard residential wall studs are spaced 16 inches on-center, though 24 inches is also used in some applications.

Question 2

When installing a door rough opening, the rough opening width is typically how much wider than the door unit?

Accepted Answer

2 inches

Answer

A rough opening is typically 2 inches wider than the door unit to allow for the frame, shimming, and plumb adjustment.

Question 3

What type of lumber is designated as 'dimension lumber' in construction?

Accepted Answer

Lumber 2 to 4 inches thick

Answer

Dimension lumber is classified as wood that is 2 to 4 inches thick and is used for structural framing.

Question 4

A cripple stud in wall framing is located:

Accepted Answer

Both above a header and below a sill

Answer

Cripple studs appear both above a header (to the top plate) and below a window sill (to the sole plate) at openings.

Question 5

Which fastener is most appropriate for attaching a ledger board to an existing structure for a deck?

Accepted Answer

Lag screws or structural bolts

Answer

Lag screws or structural bolts are required for ledger connections because they provide the shear strength needed for load transfer.

(NCCER) National Center for Construction Education and Research Certified Handyman Practice Test