CDT CDT Geometric Dimensioning & Tolerancing

Question 1

Which GD&T symbol is used to control the straightness of a surface or axis?

Accepted Answer

Straightness

Answer

Flatness

Answer

Cylindricity

Answer

Circularity

Question 2

What does the Maximum Material Condition (MMC) modifier mean when applied to a feature of size?

Accepted Answer

The feature has the greatest amount of material within its tolerance

Answer

The feature has the least amount of material

Answer

The feature is at its nominal dimension

Answer

The feature is measured at room temperature

Question 3

Which datum reference frame axis is typically the primary datum in a three-plane datum reference system?

Accepted Answer

The axis established by the largest flat surface

Answer

The axis with the least contact points

Answer

Any axis selected arbitrarily

Answer

Always the Z-axis regardless of part orientation

Question 4

A true position tolerance of ⌀0.010 at MMC means the positional tolerance zone is a:

Accepted Answer

Cylindrical zone of diameter 0.010

Answer

Square zone of 0.010 × 0.010

Answer

Linear zone of ±0.005

Answer

Spherical zone of radius 0.010

Question 5

Which GD&T control establishes both the form and the location of a feature simultaneously?

Accepted Answer

Profile of a Surface

Answer

Flatness

Answer

Concentricity

Answer

Angularity

Question 6

On a US engineering drawing, the default tolerance interpretation standard for GD&T is defined by which document?

Accepted Answer

ASME Y14.5

Answer

ISO 1101

Answer

ANSI B4.2

Answer

MIL-STD-31000