The design below is used for a bridge construction. All parts of the assembly are made of ASTM A36 steel and are welded with an E60 electrode. Under these conditions, the minimum size weld, according to table 20-4, should be:       5/16     3/16     3/8     1/4     1/2     5/8

9. How much cast-iron welding rod is required to weld a 2-ft- long, single 60° V-groove joint in 3-in.- thick cast-iron plate? Assume the use of the maximum recommended allowances for weld reinforcement and groove preparation errors. for A. 60.82 lb B. 30.42 lb C. 48.13 lb D. 37.02 lb

I need answers to parts 1, 2, and 3, pertaining to the print provided.

when objects are welded in an assembly, the weld specifications should be places on: A. The assembly drawing B. The individual drawings C. Entirely up to the designer