2 In pressure systems vacuum loads arc not a problem and nee

2. In pressure systems, vacuum loads arc not a problem and need not concern the designer a. True b. False 3. Of the following external loads, can either increase or decrease a conduit load capacity and is the easiest for the inspector to contr ol. a. Backfill compaction b. Soil weight c. Surcharger d. Surface loads e. Frost loading 4. Potable (drinking) water materials should be approved a. A.A.S.H.T.O. b. A.W.W.A. c. A.S.T.M. e. U.L 5. Pipe linings in sanitary systems are primarily used to protect the pipe from the sewage. a. True b. False

Solution

2. ans (b) False

3.Ans (b) Soil weight

4.Ans (e) UL

5. Ans (b) False

10. Ans (c) Shoring

7. Ans (c) Utility notification and protection