The condition of a surface square with the datum plane is called ____.
A) parallelism
B) perpendicularity
C) angularity
D) flatness

Question

Quizplus · Accepted Answer

The condition of a surface square with the datum plane is known as flatness. Parallelism refers to the condition where two surfaces or lines are equidistant at every point. Perpendicularity refers to the condition where two lines or surfaces meet each other at a 90-degree angle. Angularity refers to the condition where two lines or surfaces are at an angle other than 90 degrees.

The Condition of a Surface Square with the Datum Plane