Basic Stair Layout

The horizontal distance from the face of one riser to the face of the next riser is the?

• unit run

• step width

• riser height

• tread depth

The most important concern in the design of any stairway is?

• aesthetics

• cost

• safety

• material selection

When building a stair with a total rise of 7'-7", the number of risers required and their unit rise is?

• 11 risers, each 7-1/2" high

• 12 risers, each 7" high

• 13 risers, each 7" high

• 14 risers, each 7-1/4" high

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

• 8"

• 10"

• 12"

• 14"

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

• ignore the issue

• notify a supervisor

• continue with the work

• ask a colleague for advice

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

• 1/4 inch

• 1/2 inch

• 3/8 inch

• 5/8 inch

When laying out a stringer using a framing square, the blade of the framing square represents the?

• unit rise

• unit run

• unit length

• unit angle

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

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

• 1/4"

• 1/2"

• 3/8"

• 5/8"

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