1-4. Show (a) (AB)' = B'A' (b) (AB)-1 = B-A-1 %3D
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- || 70 Blueprint Reading for Welders 18. What is the difference between a standard S-beam and a wide-flange beam? IM LCS AL-STL = %3D 19. What is the difference between a wide-flange beam and an M-beam? HSS TS 24. Write the size specification for an unequal leg angle including length. Use hypothetical sizes. Identify what each size represents. 20. What dimensions do S-beams, wide-flange beams, and M-beams have in common? 25. a. What metric pipe size is approximately equivalent to a U.S. Customary pipe size of 4"? Refer to Appendix 3. 21. What are the similarities between an HP beam and a wide-flange beam? b. What does NPS 4 signify? 22. Write the size specification for a piece of 3" 26. With reference to structural beam S, what do hollow, square tubing 4" thick by 12' long. the following letters represent? M. 23. Explain the following abbreviations. SX %3D XXS %3D %3D H. HRS HP CRS 142Resultant 16N @191°- 24 N@ 302 X-comp y-comp 16 N @ 191º 24 N O 302° 14 G 8.i should have said where; p=V^2/R P=[ML^2 T^-3] V=[L^0.5 M^0.5 T^-1] solve for R