Welcome to the 25 Question Water Distribution Practice Test.
Choose the best possible answer to the question.
1.
What type of oil should not be used to lubricate bearings because it forms acids as it begins to break down?
2.
What type of relay is mostly used to detect a power loss and initiate a switchover to another power source?
3.
What are two ways to prevent freezing in a water storage tank?
5.
The lowest pressure point in a pump is?
6.
A major break in a water main can assist the distribution operator to
7.
The AWWA recommends that 5/8" water meters be tested every?
8.
The Safe Drinking Water Act sets?
9.
If a lane on a road needs to be closed due to an excavation and the speed limit is 25mph, how many cones are required to divert traffic?
10.
How many times heavier than air is chlorine gas?
11.
Water tanks storing treated water should be?
12.
What type of map should not overlap each other?
13.
What is an example of Tier III violation.
14.
Thrust blocks are installed to?
15.
What device changes the alternating current to direct current by allowing the electric current to flow in one direction but blocks flow in the opposite direction?
16.
What method(s) should be used to prevent cave-ins while digging or trenching?
17.
The middle layer is a reservoir is?
18.
Water taste and odor complaints can come from
19.
What is the difference between a Primary and a Secondary standard in drinking water?
20.
The pulling or stretching of a water pipe without breaking is known as its?
21.
Permit required confined space entry requires a chest or full body harness and a retrieval line.
22.
A revised drawing created and submitted by a contractor after a construction project is finished is?
23.
What is the term for electrochemical corrosion caused by the joining of two different metals?
24.
If a water storage tank is located far from the water system, what type of problem during peak demand would the water system probably have?
25.
All water system sampling site plans must be approved by?
