A K-series joist is identified by two numbers separated by letter K, such as 14K3. Explain what information is provided by the marks 14K3 and 14K1.
What will be an ideal response?
The left side number (number 14 in this case) represents the depth of the joist in inches, i.e., 14 in.; Letter "K" represents K-series joist; and the right-side number (number 3 in this case) represents the relative weight (not absolute weight) of the joist. Thus, 14K1 joist is lighter than 14K3 joist.
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