A(n) ____ is a reference plane or point that is defined on the engineering drawing from which other dimensions are established.
A) address
B) word
C) letter
D) datum

Question

Quizplus · Accepted Answer

A datum is a reference point or plane on an engineering drawing from which other dimensions are established. This helps ensure that all measurements on the drawing are consistent and accurate. Choice A, B, and C are not relevant to engineering drawings.

A(n) ____ Is a Reference Plane or Point That Is