5  Shoring must protude ________ inches above the top of the excavation. (8)

 8  Who must review plants for final approval before a new sewer can be constructed? (3)

 9  A ball forced through a sewer line. (3)

11 Spacer ring in a pump packing gland to improve seal water distribution is a _____ ring. (7)

12 A PH of 6.0 is (6)

16 A sewer ________to a water line, must have a minimum of 10 feet of separation. (8)

20 Shoring is required for any trench over _____feet deep. (4)

21 746 watts = 1 _____. (8)

22 The impeller housing of a centrifugal pump (6)

24 rise/run (5)

 1  cfs/1.55 (3)

 2  A PH of 7 is _______ (7)

 3  A __________ prevents water from flowing back into the pump. (10)

 4  A sewer ________to a water line, must have a minimum of 18 inchesof separation. (13)

 6  Emergency stoppages in pipelines may be cleared safely by use of (6)

 7  mg/l* x MGD x 8.34 lbs./gal (12)

10 Liners are installed in sewers to correct problems caused by_________ (12)

13 26,928 gallons per hour of flow is equal to 1 _______. (3)

14 On floors where water or chemicals are commonly spilled, cover the floors with _____. (8)

15 Enclosed, open and semi-closed are terms used for the designation and selection of_________ (9)

17 What must be done before any work is to be done on a piece of equipment? (4)

18 amps x volts (5)

19 5,280 feet (4)

20 The flushing water pressure in a water-lubricated wastewater pump should be ___________PSI more than the pump discharge pressure. (4)

23 The minimum scouring velocity normally used for sanitary collection lines is ___ f/s. (3)