6 Written Questions

1. Whenever possible, avoid dimensioning to hidden lines and features.
2. Dimension numbers should be centered between arrowheads, except when using stacked dimensions, and then the numbers should be staggered.
3. Whenever possible, avoid sending extension lines through object views.
4. No unnecessary dimensions should be used - only those needed to produce or inspect the part.
5. Do not cross a dimension line with an extension line, and avoid crossing dimensions with leader lines.
6. Holes should be located and sized in the view that shows the feature as a circle.

5 Multiple Choice Questions

1. In general, a circle is dimensioned by its diameter and an arc by its radius.
   1. Whenever possible, avoid dimensioning to hidden lines and features.
   2. In general, a circle is dimensioned by its diameter and an arc by its radius.
   3. Concentric circles are dimensioned in the longitudinal view, whenever practical.
   4. Whenever possible, locate dimensions between adjacent views.
2. Holes are located by their centerlines, which may be extended and used as extension lines.
   1. Avoid crossing extension lines, but do not break them when they do cross.
   2. Holes should be located and sized in the view that shows the feature as a circle.
   3. In general, a circle is dimensioned by its diameter and an arc by its radius.
   4. Holes are located by their centerlines, which may be extended and used as extension lines.
3. Dimensions should NOT be duplicated, or the same information given in two different ways.
   1. Whenever possible, locate dimensions between adjacent views.
   2. Holes should be located and sized in the view that shows the feature as a circle.
   3. Dimensions should NOT be duplicated, or the same information given in two different ways.
   4. Whenever possible, avoid dimensioning to hidden lines and features.
4. Avoid dimensioning over or through the object.
   1. Avoid dimensioning over or through the object.
   2. Avoid crossing extension lines, but do not break them when they do cross.
   3. Whenever possible, avoid sending extension lines through object views.
   4. Whenever possible, avoid dimensioning to hidden lines and features.
5. A dimension should be attached to only one view; for example, extension lines should not connect two views.
   1. Dimension numbers should be centered between arrowheads, except when using stacked dimensions, and then the numbers should be staggered.
   2. Dimensions should NOT be duplicated, or the same information given in two different ways.
   3. Dimensions should be attached to the view that best shows the contour of the feature to be dimensioned.
   4. A dimension should be attached to only one view; for example, extension lines should not connect two views.

5 True/False Questions

1. Leader lines point toward the center of the feature, and should not occur horizontally or vertically. → Leader lines point toward the center of the feature, and should not occur horizontally or vertically.

   True        False

2. Whenever possible, locate dimensions between adjacent views. → Whenever possible, locate dimensions between adjacent views.

   True        False

3. Concentric circles are dimensioned in the longitudinal view, whenever practical. → Concentric circles are dimensioned in the longitudinal view, whenever practical.

   True        False

4. Dimensions should be attached to the view that best shows the contour of the feature to be dimensioned. → Dimensions should be attached to the view that best shows the contour of the feature to be dimensioned.

   True        False

5. Avoid crossing extension lines, but do not break them when they do cross. → Avoid dimensioning over or through the object.

   True        False