Dimensioning Practice Test

Front

What is the rule regarding dimensioning hidden lines?

Back

Dimensioning hidden lines is not allowed under most circumstances.

Front

What does the symbol 'X' represent in dimensioning?

Back

The symbol 'X' is used for repeated features and also represents chamfer.

Front

Why are dimension and extension lines made thin?

Back

Dimension and extension lines are thin so that they will not be mistaken for visible lines.

Front

What is the recommended spacing for the first dimension line from the view?

Back

The first dimension line should be spaced 3/8 to 1 inch from the view, depending on available space.

Front

How do you denote a 1/4 inch hole in dimensioning?

Back

A 1/4 inch hole is denoted as ⌀.25.

Front

What symbol is used to indicate a counterbore in dimensioning?

Back

A counterbore is indicated by the symbol ⌴.

Front

What is the depth notation for a counterbore that is 1/2 inch deep?

Back

The depth of a counterbore that is 1/2 inch deep is denoted as ↧.50.

Front

What is the purpose of extension lines in dimensioning?

Back

Extension lines are used to extend the dimension from the object to the dimension line.

Front

What is the difference between visible lines and dimension lines?

Back

Visible lines represent the edges of an object, while dimension lines indicate measurements.

Front

What is the significance of using clear dimension text?

Back

Clear dimension text ensures accurate interpretation of measurements and features.