An extension line is a thin, dark, solid line that extends from a poin – McqOptions

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1.	An extension line is a thin, dark, solid line that extends from a point on the drawing to which a dimension refers.
A.	1
B.
Answer» B.

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Tolerance issues are primarily a concern in manufacturing rather than in the design and drafting process.
When extension lines or centerlines cross visible object lines, gaps should not be left in the lines.
It is more difficult to manufacture a part designed using two decimal places than the same part using four decimal places.
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A metric dimension that is a whole number does not show a decimal point or a zero.
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