Technician A says that when a kingpin is welded to an upper coupler, it should be stitch welded in one direction of rotation. Technician B says that an AWS E-11018 electrode is recommended. Who is correct?

A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B


Answer: A

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Fill in the blank(s) with the appropriate word(s).

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An engineer is required to survey a nonrectangular plot of land but is unable to measure side UT directly due to a water obstruction (see Figure 4.11). The following data are taken: RU = 130.0 m, RS = 120.0 m, ST = 90.0 m, angle RST = 115°, and angle RUT = 100°. Calculate the length of side UT and the area of the plot.

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F = 62 kN ???? = 86°

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