NCCER Carpentry Basic Stair

Front

What should a carpenter do if stairway drawings are incomplete or conflict with the building code?

Back

Notify a supervisor.

Front

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

Back

Safety.

Front

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

Back

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

Front

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

Back

Strongback.

Front

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

Back

Unit run.

Front

Define 'tread' in the context of stair construction.

Back

The horizontal part of a stair where the foot is placed.

Front

What is the purpose of a skirtboard in stair construction?

Back

To cover the gap between the stringer and the wall, providing a finished look.

Front

What is the maximum riser height recommended for safety in stair design?

Back

Typically, 7.5 inches.

Front

What is the minimum tread depth recommended for safety in stair design?

Back

Typically, 11 inches.

Front

Explain the term 'stringer' in stair construction.

Back

The structural support that holds the treads and risers.