NCCER Carpentry Basic Stair

Front

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

Back

Dadoed stringer is used for stairways with open riser designs.

Front

What is the minimum stair tread depth specified by the International Residential Code®?

Back

The minimum stair tread depth is 10 inches.

Front

What is Rule 2 for calculating rise-to-run ratio?

Back

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

Front

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

Back

It is called the unit run.

Front

How is tread width (unit run) measured?

Back

Tread width is measured from the face of one riser to the face of the next riser.

Front

What is a housed stringer?

Back

A housed stringer is a type of stringer where the treads and risers are housed or set into the stringer.

Front

What is a cutout stringer?

Back

A cutout stringer is a type of stringer that has cutouts for the treads, allowing for an open design.

Front

What does the term 'unit rise' refer to in stair construction?

Back

Unit rise refers to the vertical distance between the top of one tread and the top of the next tread.

Front

What is the purpose of a stair tread?

Back

The stair tread provides a surface for stepping on when ascending or descending stairs.

Front

What is the significance of the nosing on a stair tread?

Back

The nosing is the part of the tread that extends beyond the riser, providing additional space for foot placement.