Stair Construction

For more efficient stair layout, the rise and run measurements on a framing square can be marked by using _____?

• stair gauges

• leveling tools

• measuring tape

• saw guides

Which of the stairways is classified as a narrow-U stairway?

• A

• B

• C

• D

The International Residential Code® specifies a minimum stair tread depth of _____?

• 8"

• 10"

• 12"

• 14"

Rule 2 for calculating rise-to-run ratio is stated as _____: Tread width + (2 × riser height) = 24" to 25"

• Tread width + (2 × riser height) = 20" to 22"

• Tread width + (2 × riser height) = 24" to 25"

• Tread width + (2 × riser height) = 26" to 28"

• Tread width + (2 × riser height) = 22" to 24"

Which type of stringer is typically used for stairways with open riser designs?

• Housed

• Cutout

• Dadoed

• Built-up

For user safety, the IRC specifies that the greatest riser height should not exceed the smallest riser height by more than ______?

• 1/4"

• 1/2"

• 3/8"

• 5/8"

The basic parts of a stairway are risers, treads, and _____.

• center-cut stringers

• handrails

• balusters

• newel posts

The most important concern in the design of any stairway is _____.

• Aesthetics

• Cost

• Safety

• Durability

When building a stair with a total rise of 8'-10", the number of risers required and their unit rise is _____:

• 11 risers, each 7-1/2" high

• 12 risers, each 7" high

• 15 risers, each 7 1/16" high

• 14 risers, each 7-1/4" high

What component is secured to one side of the stringer below the cut notches to add strength and rigidity?

• Strongback

• Crossbeam

• Lateral Support

• Reinforcement Plate