13-51. 13-52. 13-53. 13-54. 13-55. 13-56. 13-57. What is the water content of run number  1? 1. 30.3 2. 38.5 3. 41.1 4. 43.2 What are the coordinates of run number  2? 1. 39 and 41.0 2. 39 and 41.1 3. 40 and 43.4 4. 41 and 43.4 What is the liquid limit of this soil  sample? 1. 47.1 2. 48.0 3. 49.2 4. 49.8 What is the plasticity index of this  soil  sample? 1. 5.1 2. 5.5 3. 6.0 4. 7.2 The slump test measures what property of concrete? 1. Workability 2. Strength 3. Durability 4. Compressibility To ensure a slump test specimen is a good representation of the concrete batch, you must take samples at two or more regularly spaced intervals during discharge from which portion of the batch? 1. First only 2. Middle only 3. First  and  middle 4. Last In a slump test, each layer of concrete is rodded how many strokes? 1. 10 2. 15 3. 25 4. 30 13-58. When a slump test is performed, the entire procedure from the beginning of the sampling process through the removal of the slump cone from the specimen should NEVER exceed what maximum number of  minutes? 1. 7X 2. 17X 3. 20 4. 223 13-59. To what extent do the sampling 13-60. 13-61. 13-62. 13-63. procedures for cylinder specimens differ  from  those  for  slump  tests? 1. Much different procedures are used 2. The same procedures are used 3. Nearly the same procedures are used,    except that the samples are taken from the discharge of the first portion of the batch When preparing standard size cylinder specimens, you should (a) fill the mold with what total number of layers, and (b) rod each layer with a total of how many strokes? 1. (a) 2 (b) 25 2. (a) 2 (b) 50 3. (a) 3 (b) 25 4. (a) 3 (b) so When the maximum size of coarse aggregate is 3 inches, what should be the minimum cross-sectional dimensions of the beam specimen? 1. 6 in by 6 in 2. 6 in by 9 in 3. 9 in by 9 in 4. 9 in by 12 in While the functions of all the other SEABEE ratings relate to the whole  of  a  construction  project, the EA’s functions are related to only the site preparation and layout phases. 1. True 2. False The responsibilities of an NMCB engineering division include which of  the  following  tasks? 1. Providing  as-built  copies  of drawings to customer activities 2. Maintaining construction project status boards 3. Both 1 and 2 above 97