1 The available standard reinforcing bars in the US are A 3t

1) The available standard reinforcing bars in the US are: A. #3to #1 1 bars B. #14 and #18 bars C. #3 to # 18 bars D. #3 to #11, #14 and #18 To minimize shrinkage, it is NOT desirable to: A. 2) Keep the amount of mixing water to a minimum B. lace the concrete for walls, floors and other large items in large sections C. Use construction joints D. U se appropriate dense and nonporous aggregates An observation deck at a touristic building is supported by columns that are spaced 30-ft on center. The loads for an interiof column have been calculated: 29 kip dead load, 90 kip live load, 22 kip snow load, 9 kip rain load. The dead load given includes the weight of the slab, columns and beams. The design or ultimate axial load (Pu) in kips for the column is: 3) A. 160 B. 190 C. 150 D. 136

Solution

1)option D is correct. In us #3 to #11 and #14 to #18 rebars are available. #12to #13 bars are not availble in market.