Exam 3: Hidden Lines and Center Lines

The accompanying figure shows a(n) ____ edge.

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Question 1

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What is required for a drawing to be complete?

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Question 2

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To be complete, a drawing must include lines that represent all the edges and intersections of surfaces in the object. Many of these lines are invisible to the observer because they are covered by other portions of the object.

To show that a line is ____, the draftsperson usually uses a thin, broken line of short dashes.

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Question 3

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A(n) ____ line is drawn as a thin (light), broken line of long and short dashes, spaced alternately.

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Question 4

What is the symbol indicated by an arrow in the accompanying figure often used with?

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Question 5

Center lines are used to indicate the center of a whole circle or a part of a circle and also to show that an object is ____ a line.

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Question 6

Describe the purpose of center lines.

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Question 7

What is the line in the accompanying figure used to represent?

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Question 8

In the accompanying figure, what does the blue arrow point to?

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Question 9

Showing 1 - 9 of 9

Exam 3: Hidden Lines and Center Lines

The accompanying figure shows a(n) ____ edge.

What is required for a drawing to be complete?

To show that a line is ____, the draftsperson usually uses a thin, broken line of short dashes.

A(n) ____ line is drawn as a thin (light), broken line of long and short dashes, spaced alternately.

What is the symbol indicated by an arrow in the accompanying figure often used with?

Center lines are used to indicate the center of a whole circle or a part of a circle and also to show that an object is ____ a line.

Describe the purpose of center lines.

What is the line in the accompanying figure used to represent?

In the accompanying figure, what does the blue arrow point to?

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