Basic Construction #2

The 2 most common roof designs used on homes today are

• the flat roof and the truss-built roof

• the rafter-built roof and the flat roof

• the truss-built roof and the rafter-built roof

• the gable roof design and the hip roof design

The most common base used under shingles to strengthen

the roof by adjoining the rafters or trusses together is

• 1/4" plywood.

• 1/2" OSB sheathing

• 1/2" particle board

• 1/2" pine board

Trusses are commonly constructed of

• 2" X 8" or 2" x 10" lumber.

• 1"x 8" or 1" X 10" lumber.

• 2" x 2" or 2" X 4" lumber.

• 1" X 2" or 2" X 4" lumber.

What type of roof construction uses boards that connect the ridge of the roof and the exterior wall?

• a truss-built roof

• a flat roof

• a hip roof

• a rafter-built roof

The material that is used for a standard ceiling is

• 1/4" drywall

• 5/8" drywall

• 3/4" drywall

• 7/8" drywall

What would the effect of heat transfer be if the

R-value on a roof were increased?

• It would increase the heat transfer.

• It would decrease the heat transfer.

• It would have no effect on heat transfer.

• It would reduce the thermal efficiency.

Common exterior residential walls are constructed of

• 2" x 2" or 2" x 4" studs

• 1" x 2" or 1" x 4" studs

• 2" x 4" or 2" x 6" studs

• 1" x 4" or 1" x 6" studs

How far apart are the studs spaced in an interior and

exterior wall?

• 12" on center

• 14" on center

• 16" on center

• 18" on center

The bottom board located on a wall that the studs are

nailed to is known as a

• lower rafter.

• horizontal stud.

• load-bearing joist.

• bottom plate.

What is known as a load-bearing wall?

• This is the wall that uses two studs to return air

  back to the furnace.

• This is the wall that always has a beam resting on

  top of it.

• This is the wall that has the weight of the roof on top of it

• This is the wall that should never have a beam

  resting on top of it.