CTM 8 NCCER Carpentry Basic Stair

Front

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

Back

Unit run.

Front

What is the maximum allowable difference in tread depths of a stairway?

Back

3/8".

Front

What component is added to one side of the stringer below the cut notches for strength?

Back

Strongback.

Front

What should a carpenter do if stairway drawings conflict with building code?

Back

Notify a supervisor.

Front

What tool can be used to mark rise and run measurements on a framing square?

Back

Stair gauges.

Front

Define 'unit rise' in stair construction.

Back

The vertical distance between the top of one tread and the top of the next tread.

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 minimum tread depth recommended for safety?

Back

Typically, at least 11 inches.

Front

Explain the term 'guard' in the context of stairways.

Back

A guard is a protective barrier at the open side of a stairway to prevent falls.

Front

What is the role of a stringer in stair construction?

Back

To support the treads and risers of the stair.