Question 1

What do hidden lines represent on a drawing?

Accepted Answer

Hidden lines represent invisible edges on objects.

Question 2

Give another name for visible lines, describe their purpose on a drawing, and give their recommended thickness.

Accepted Answer

. Visible lines, also called object lines or outlines, describe the visible surface or edge of the object. Visible lines are drawn as thick lines. Thick lines are drawn .02 in. (0.6 mm) wide.

Question 3

Should arrowheads on a drawing all be the same size? Why?

Accepted Answer

. All arrowheads on a drawing should be the same size for drawing uniformity.

Question 4

Should there be any difference in line darkness?

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Question 5

Describe the difference between a cutting-plane and a viewing-plane line.

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Question 6

What type of line is used to indicate that a portion of a sur- face or feature will receive a specific treatment?

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Question 7

Describe leaders.

Accepted Answer

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Question 8

Extension lines are thin lines that are used for what purpose?

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Question 9

Discuss the recommended spacing and angle of section lines.

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Question 10

List two uses for phantom lines.

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Question 11

Should cutting-plane lines be drawn thick or thin?

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Question 12

What is the correct length-to-width ratio of a properly drawn arrowhead?

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Question 13

Describe two functions that centerlines serve on a drawing.

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Question 14

Describe the line thicknesses recommended by the ASME standard. 03/02/16 10:23 am

Accepted Answer

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Question 15

How can you draw parallel lines that are very close together, so the space between the lines does not fill in when the drawing is reproduced?

Accepted Answer

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Question 16

Discuss line uniformity and line contrast.

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Question 17

What is the recommended thickness of object lines?

Accepted Answer

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Question 18

What are construction lines used for, and how should they be drawn?

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Question 19

Where should the extension lines begin in relationship to the object and end in relation to the last dimension line?

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Question 20

Identify the ASME document that governs line standards.

Accepted Answer

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Quiz 6: Lines and Lettering