DATUMS

A ____ is placed on the drawing to identify the features of the object that are specified as datums and referred to as datum features.

• datum reference frame
• datum feature symbol
• feature control frame
• simulated datum

The ____ is the actual feature of the part that is used to establish the datum.

• datum feature simulator
• datum feature
• datum plane
• simulated datum

The ____ is the theoretically exact plane established by the simulated datum of the datum feature.

• datum target
• datum feature
• datum plane
• simulated datum

The ____ is a point, axis, line, or plane consistent with, or resulting from, processing or inspection equipment

• actual mating envelope
• datum feature
• datum plane
• simulated datum

The datum features that make up the ____ are the primary datum, secondary datum, and tertiary datum

• actual mating envelope
• datum reference frame
• physical datum feature simulator
• simulated datum

When a screw thread is used as a datum axis, the datum axis is established from what feature unless otherwise specified?

• Major diameter
• Minor diameter
• Root diameter
• Pitch diameter

The datum feature symbol identifies a physical feature of an object.

• TRUE
• FALSE

Each datum feature on a part requiring identification must be assigned a different datum identification letter.

• TRUE
• FALSE

Datum feature symbol letters are lowercase letters of the alphabet.

• TRUE
• FALSE

The datum feature symbol can be placed on the outline of a feature surface in the view where the surface appears as an edge.

• TRUE
• FALSE