403A Framing

Question 1

What is the standard spacing for wall studs in residential framing according to the National Building Code of Canada?

Accepted Answer

16 inches on centre

Answer

12 inches on centre

Answer

24 inches on centre

Answer

32 inches on centre

Question 2

When framing a load-bearing wall, what is the purpose of a double top plate?

Accepted Answer

To distribute loads across studs and tie intersecting walls together

Answer

To increase the wall height

Answer

To provide a nailing surface for drywall

Answer

To act as a fire stop

Question 3

What is a cripple stud in wall framing?

Accepted Answer

A short stud installed above or below a window or door opening

Answer

A stud that runs the full height of the wall

Answer

A diagonal brace used in exterior walls

Answer

A temporary support stud used during construction

Question 4

In platform framing, what does each storey's floor rest on?

Accepted Answer

The top plate of the wall below

Answer

Continuous studs running from foundation to roof

Answer

Steel beams embedded in the walls

Answer

Cantilevered joists from the foundation

Question 5

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

Accepted Answer

38 mm (1-1/2 in.)

Answer

19 mm (3/4 in.)

Answer

64 mm (2-1/2 in.)

Answer

89 mm (3-1/2 in.)

Question 6

When framing a corner, what is the purpose of using corner assemblies with extra studs or drywall clips?

Accepted Answer

To provide a nailing surface for interior finish and improve insulation

Answer

To increase fire resistance of the corner

Answer

To strengthen the corner against seismic forces

Answer

To allow for electrical wiring passage