Deck 4: Extension Lines and Dimension Lines

Question 1

In an extension line, a(n) ____ arrowhead is preferred.

A) closed
B) open
C) thick
D) thin

Answer 1

A

Question 2

Once the external shape and internal features of a part are represented by a combination of lines, further information is provided by ____.

A) extensions
B) references
C) annotations
D) dimensions

Answer 2

D

Question 3

A space of ____ inch is usually allowed between the object and the beginning of the extension line.

A) 1/4
B) 1/8
C) 1/16
D) 1/32

Answer 3

C

Question 4

Dimension lines are thin lines broken at the dimension and ending with ____.

A) circles
B) arrowheads
C) dashes
D) squares

Question 5

Describe the size, placement, and types of arrowheads in an extension line.

Question 6

Describe extension lines.

Question 7

Describe dimension lines.

Question 8

____ lines are used in dimensioning to show the size of an object.

A) Extension
B) Dimension
C) Hidden
D) Gradient

Question 9

What is used to give drawings size descriptions?

Question 10

In the accompanying figure, the line is a(n) ____ line.

A) extension
B) dimension
C) dividing
D) hidden

Question 11

Briefly describe the accompanying figure.