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

• Safety

• Choice of Materials

• Appearance

• Material and Labor Cost

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

• balustrades

• center-cut stringers

• stair framing

• handrails

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 _____.

• 9"

• 10"

• 11"

• 12"

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

• Housed

• Cutout

• Dadoed

• Built-up

All of the following are parts of a balustrade except _____.

• a baluster

• a newel post

•  nosing

• a handrail

On a 36"-wide wood stairway, a center cutout stringer is required if _____.

• the tread material is thinner than 1 1/2"

• the riser heights exceed 7"

• the tread material is thinner than 2"

• the riser heights are less than 7"

The minimum and maximum tread depths of a stairway should not differ by more than _____.

• 3/8"

• 1/2"

• 5/8"

• 3/4"

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

• 1"

• 5/8"

• 3/8"

• 1/4"

If stairway drawings are incomplete or in conflict with the building code, the carpenter should _____.

• Follow the building code

• work out a solution

• check the specifications

• notify a supervisor