Question
Download Solution PDFAn arrowhead at the end of a dimension line is approximately _________ long and 1 mm wide.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Dimension lines:
- It should show distinct termination, in the form of arrowheads or oblique strokes or where applicable, an origin indication.
- The size of the termination should be proportionate to the size of the drawing on which it is used. One style of termination only should be used on a single drawing.
Arrowhead:
- An arrowhead is placed at each end of a dimension line.
- Its pointed end touches an outline or extension line.
- The size of an arrowhead should be proportional to the thickness of the outline.
Explanation:
- The standard ratio of length to the height of an arrow in dimensioning should be kept at only 3:1.
- Even if there are so many types of arrows like oblique stroke, closed, open small open circle, etc.
- Generally closed and the filled arrowhead is widely used and with 1:3 ratio.
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