Dimension Rules

Question 1

True/False: Dimensions should NOT be duplicated.

Answer 1

True

Question 2

True/False: The same information (dimensions) should be given in two different ways.

Answer 2

False

Question 3

Where are dimensions located? a) inside part b) outside part

Answer 3

b) outside part

Question 4

How many views should the dimension be attached to?

Answer 4

1 view ONLY

Question 5

True/False: Extension lines can connect two views.

Answer 5

False

Question 6

How is a circle dimensioned?

Answer 6

by its diameter

Question 7

How is an arc dimensioned?

Answer 7

by its radius

Question 8

How are holes located?

Answer 8

by their centerlines

Question 9

True/False: The centerlines of holes should not be extended or used as extension lines.

Answer 9

False

Question 10

True/False: Dimension lines and extension lines do not cross.

Answer 10

True

Question 11

True/False: Dimensions lines and leader lines do not cross.

Answer 11

True

Question 12

Where do leader lines point?

Answer 12

toward the center of the feature

Question 13

How should leader lines not occur?

Answer 13

horizontally or vertically

Question 14

What is chain dimensioning?

Answer 14

labeling dimensions in a line (chain)

Question 15

What is ladder dimensioning?

Answer 15

labeling dimensions that are stacked on top of one another

Question 16

What are some other terms for ladder dimensioning?

Answer 16

Baseline, Datum, or Parallel

Question 17

Know the following terms.

Answer 17

Dimension line, extension line, leader, arrowhead, extension line: extension, gap

Question 18

What does ANSI stand for?

Answer 18

American National Standards Institute