The symbols for surface texture are the same for metric applications, although thereadings are in micrometers instead of microinches.TrueFalseA datum is a reference plane or surface, while a target is a reference axis.TrueFalseA datum identification symbol cannot be simply attached to a center line withoutreference to any measurements or surfaces.TrueFalse

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Asked Nov 26, 2019
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I need help solving these 3 simple parts, if you can not answer all 3 parts then please leave it for another tutor, thank you.

The symbols for surface texture are the same for metric applications, although the
readings are in micrometers instead of microinches.
True
False
A datum is a reference plane or surface, while a target is a reference axis.
True
False
A datum identification symbol cannot be simply attached to a center line without
reference to any measurements or surfaces.
True
False
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The symbols for surface texture are the same for metric applications, although the readings are in micrometers instead of microinches. True False A datum is a reference plane or surface, while a target is a reference axis. True False A datum identification symbol cannot be simply attached to a center line without reference to any measurements or surfaces. True False

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Expert Answer

Step 1

The symbol which is used for surface texture is given below.  Readings in the symbol can be given either in micro inches or micrometer, roughness graded number. Therefore the correct option will be true.

INDICATION OF SURFACE TEXTURE
The basic symbol consists of two legs of unequal
length inclined at approximately 60 degrees to the
line representing the considered surface
60
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INDICATION OF SURFACE TEXTURE The basic symbol consists of two legs of unequal length inclined at approximately 60 degrees to the line representing the considered surface 60

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Step 2

A datum targets are circular frames which is divided in two parts by a horizontal line. The lower part is for a letter and upper part is for a digit. The letter indicates the datum feature, and the digit indicates the datum target number. The upper half is given for additional information, such as dimensions of the&nbs...

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