Describe tabular dimensioning.
What will be an ideal response?
Tabular dimensioning is another form of rectangular datum dimensioning. As the term implies, dimensions from intersecting datum planes are given in a table. Tabular dimensioning helps to eliminate possible errors that could result from incorrectly reading a dimension when a large number is included on a drawing.
Values of X and Y are measured along the respective datum lines from their intersection. The intersection is the origin of the datums. Tabular dimensioning is recommended when there are a great many repetitive features. These would make a dimensioned drawing difficult to read. Dimensions may also be given on a second or additional view for operations to be performed along Z or other axes.
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Figure 17-11
The accompanying figure is showing a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
The root cause of the American farmers' problems after 1880 was
A. underproduction of agricultural foodstuffs. B. foreign competition. C. the declining number of farms and farmers. D. the shortage of farm machinery. E. low prices and a deflated currency.
NEC Article 518 contains _____.
a. information on transfer switches b. requirements for places of assembly c. requirements for unit equipment d. information on the installation of emergency systems
What is the difference between AC and DC current?
What will be an ideal response?