Unit 12 Mini Quiz

The most widely used framing method in residential construction is?

Platform frame construction

A platform frame is easy to construct because

At each level a flat surface is provided to work on

Lumber shrinks

Mostly across its width and thickness

A raised-heel truss allows more insulation to be installed

At the eaves, on the roof, and in the wall.

In balloon frame construction, it is important that

Fire stops be installed in the walls at several locations

Wood frame construction is used for residential and light commercial construction because

The cost is usually less than other types, it provides for better insulation, and it is very durable and will last indefinitely if properly maintained.

A post and beam roof is usually

Insulated on top of the deck

House depths that are not evenly divided by four tend to

Waste material

Reducing the clear span of floor joists

Can make it possible to use smaller-size joists

Heavy beams that support the inner ends of the floor joists are called

Girders

If the set of prints does not specify the kind or size of structural component,

Have the design checked by a professional

Pockets should be large enough to provide at least a ____ bearing for the girder.

3”

Anchor bolts are used to attach the ___ to the foundation

Sill plate

When tightening the nuts on anchor bolts, be sure to

Replace the washers first and don’t overtighten them.

In conventional framing, floor joists are usually placed

16” on center

Notches in the bottom or top of sawn lumber floor joists should not

Be in the middle third of the joist span

When measuring for floor joist layout, it is best to

Use a tape stretched along the length of the building

Joists are installed with the

Crown up

When installing plywood subflooring

Leave a 1/16” space at all panel end joints, Leave an 1/8” between panel edges, and make sure all end joints are made over joists.

How many joists will be needed for a 40’ x 60’ building with lapped 16” OC joists over a girder and four total parallel partitions?

98 pc

How many 4 × 8 sheets of subflooring will be needed to cover the first floor of a 39” x 58” building?

75

The material used between joists to stiffen them is called

Bridging