Dimensioning Practice Test

Front

What does the symbol ⌯or= represent in dimensioning?

Back

Symmetry

Front

What is the minimum height for lettering on a printed drawing?

Back

3 mm

Front

Which type of line in dimensioning does not have arrowheads?

Back

Extension line

Front

How is a reference dimension indicated in a drawing?

Back

It is given within parentheses.

Front

What is the correct dimension text for a 2mm chamfer with equal sides?

Back

2 X 2

Front

What is the purpose of dimensioning in technical drawings?

Back

To provide accurate measurements and specifications for manufacturing.

Front

What is the difference between a reference dimension and a regular dimension?

Back

A reference dimension is for information only and is not used for manufacturing.

Front

What is the standard unit of measurement used in dimensioning?

Back

Millimeters (mm) or inches, depending on the drawing standards.

Front

What is the significance of using arrowheads in dimensioning?

Back

Arrowheads indicate the extent of a dimension and the direction of measurement.

Front

What is the role of extension lines in dimensioning?

Back

Extension lines connect the dimension line to the feature being measured.