The distance from a point on one gear tooth to a corresponding point on the adjacent tooth measured on the circumference of the pitch diameter is the ____.

A) circular pitch
B) circular thickness
C) chordal thickness
D) diametral pitch

Circular Pitch

This refers to the distance measured along the circumference of a gear from one tooth to another.

Circular Thickness

A descriptive term possibly related to the material thickness of a circular section or detail, but without a standard definition, it may require clarification.

Chordal Thickness

The measurement of the thickness of a gear tooth along the chord, typically at the pitch circle.