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Exam 9: Dimensioning Conventions and Surface Finishes

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Question 1

Multiple Choice

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What symbol should you use to indicate that the lay is perpendicular to the line representing the surface to which the symbol is applied?

A) =
B) z
C) M
D) X

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Question 2

Multiple Choice

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Unidirectional dimensions are read from the _____ of the drawing.

A) top
B) bottom
C) left
D) right

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Question 3

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Very small radii are dimensioned with the use of an apex.

Extension lines should always touch the drawing.

When rectangular coordinate dimensioning is used, the baseline is assigned a value of:

A flat internal corner would be considered a:

Imagine that you need to record a dimension value of nine and one-half millimeters. What is the correct way to record this dimension according to ASME standards?

The two types of working drawing dimensions include _____ dimensions.

The surface texture for manufacturing processes is specified on working drawings through:

The symbol _____ may be used to indicate a nondirectional lay.

When tabulated outline dimensioning is used, the X-Y distance of each plotting point on a contour line is tabulated on an X-Y coordinate chart.

When parts of a drawing align on a common radial centerline, _____ coordinate dimensions are used.

Dimensions should be spaced as closely as possible.

Chords are dimensioned with:

What term refers to the primary direction of the surface pattern made by machine tool marks?

What term refers to the total acceptable variation within a dimension?

Imagine that you need to record a dimension value of one thousand millimeters. What is the correct way to record this value according to ASME standards?

You should always dimension to hidden lines.

Chords, arcs, and angles should all be dimensioned the same way.

What is a danger of producing surfaces that are too rough?