Basic Stair Layout Exam

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

• unit measure

• unit run

• unit rise

• unit depth

Rule 2 for calculating rise-to-run ratio is stated as _____

• Tread width + riser height = 17" to 18"

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

• Tread width + (3 x riser height) = 34" to 35"

• Tread width x riser height = 70" to 75"

Service stairs are the primary means of access in a two-story commercial building.

• True

• False

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

• a baluster

• a newel post

• nosing

• a handrail

The item placed between the building wall and stairway to prevent the wall from cracking created by settling is the _____

• crown jabber

• expansion joint

• skirtboard

• stringer

The maximum rise for a set of stairs without a landing is typically _____

• 9 feet

• 10 feet

• 12 feet

• 15 feet

Refer to Review Question Figure 1 to answer. The stair part marked A is the _____

• nosing

• platform

• skirtboard

• nosing return

Which of the following is used to establish the rise and run of a staircase?

• Tread width + (2 x riser height) = 17" to 18"

• Tread width x riser height = 24" to 25"

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

• Tread width + (2 x riser height) = 70" to 75"

Tread width (unit run) is measured from the _____

• face of one riser to the nosing of the next riser

• face of one riser to the face of the next riser

• top of one tread to the bottom of the next riser

• subfloor to the top tread

Per the International Building Code®, maximum handrail height from top of rail to nosing is ____.

• 34"

• 38"

• 46"

• 50"