Drafter Geometric Dimensioning & Tolerancing (GD&T)

Question 1

What is the primary purpose of Geometric Dimensioning & Tolerancing (GD&T)?

Accepted Answer

To define tolerances and variations precisely

Answer

To replace all conventional dimensions

Answer

To eliminate the need for engineering drawings

Answer

To increase the complexity of drawings

Question 2

Which GD&T symbol is used to indicate a feature must be perfectly round?

Accepted Answer

Circularity

Answer

Flatness

Answer

Straightness

Answer

Parallelism

Question 3

Why is datum referencing important in GD&T?

Accepted Answer

To provide a reference for measurements

Answer

To make drawings more complicated

Answer

To replace dimensioning entirely

Answer

To increase tolerance levels arbitrarily

Question 4

Which GD&T symbol represents the allowable variation in the form of a surface?

Accepted Answer

Flatness

Answer

Concentricity

Answer

Cylindricity

Answer

Perpendicularity

Question 5

What is the primary benefit of using GD&T in engineering drawings?

Accepted Answer

To ensure precise manufacturing and consistency

Answer

To make drawings more difficult to interpret

Answer

To remove the need for quality control

Answer

To increase production costs

Question 6

Which organization establishes GD&T standards?

Accepted Answer

ASME

Answer

IEEE

Answer

ISO 14001

Answer

ANSI