What does dual dimensioning mean? A.
use of multiple leader lines for a feature
B.
use of two symbols for a feature
C.
use of multiple units of measure for a dimension
D.
use of multiple dimensions for a feature

C. use of multiple units of measure for a dimension.

Explanation:

Measurements refers to the process which typically involves the process of identifying and determining the dimensions of a physical object. The dimensions include important parameters such as width, height, length, area, volume, circumference etc.

Dual dimensioning can be defined as the use of multiple units of measure for a dimension. Thus, dual dimensioning comprises of two (2) sets of units (values) of measurement such as meters and centimeters, millimeters and inches etc., in a dimension.

The main purpose of dual dimensioning is to aid understanding and for easy conversion purposes.