GD&T Symbols and Rules 2

Question 1

Which GD&T symbol is used to control the orientation of a surface relative to a datum plane without controlling its location?

Accepted Answer

Parallelism

Answer

Position

Answer

Flatness

Answer

Profile of a Surface

Question 2

What does the 'S' modifier inside a feature control frame signify?

Accepted Answer

Spherical diameter

Answer

Statistical tolerancing

Answer

Surface condition

Answer

Symmetrical tolerance

Question 3

Rule #2 in ASME Y14.5 states that unless otherwise specified, each tolerance of orientation, form, location, or runout applies to which condition?

Accepted Answer

Regardless of Feature Size (RFS)

Answer

Maximum Material Condition (MMC)

Answer

Least Material Condition (LMC)

Answer

Free State (FST)

Question 4

Which symbol in a feature control frame indicates that a tolerance applies to the full surface profile, including both sides of the tolerance zone equally?

Accepted Answer

Equal bilateral profile (no modifier)

Answer

Unequal bilateral profile with 'U' symbol

Answer

All Around symbol

Answer

All Over symbol

Question 5

The 'all around' symbol on a leader line in a profile tolerance callout is represented by:

Accepted Answer

A circle at the bend of the leader line

Answer

An arrow at both ends of the leader

Answer

The letters 'AR' in the feature control frame

Answer

A double-headed arrow on the leader

Question 6

In GD&T, what is the purpose of the datum feature symbol (a rectangle with a triangle)?

Accepted Answer

To identify a feature that serves as an origin for measurements

Answer

To indicate a tolerance zone shape

Answer

To specify a material condition modifier

Answer

To denote a reference dimension

Question 7

Which of the following GD&T symbols controls both the form and the orientation of a surface with respect to a datum?

Accepted Answer

Angularity

Answer

Flatness

Answer

Straightness

Answer

Circularity