Welcome to the 25 Question Water Distribution Practice Test.
Choose the best possible answer to the question.
1.
What type of water main is now banned from being installed in the drinking water industry?
2.
What is the purpose of sodium thiosulfate in a water sample bottle?
3.
How do you respond to a consumer who contacts you while you are repairing a water main?
4.
Sodium Hypochlorite comes in what form?
5.
Water filters in the water treatment processes are primarily used for removing or reducing?
6.
A sample taken that represents the water at particular time and place is?
7.
Milky water that clears in time from the bottom up is a possible indication of?
8.
Interior copper tubing is usually joined by?
9.
What present in water will increase corrosion rates?
11.
What is the equation for Ohm's law?
12.
Pipe strength is expressed in?
13.
What is the C-Value of a newly installed PVC pipe?
14.
A water source that flows continuously at all times of the year is called?
15.
To re-pack a burred gate valve, the valve must be
16.
What type of pipe joint lacks flexibility and is not normally burried?
17.
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?
18.
What type of pipe joint permits flexible pipe alignment, is inexpensive to manufacture, and is easy to assemble?
19.
When taking a water distribution sample for bacteriological testing, the water operator taking the water sample should?
20.
What type of water distribution system configuration has interconnected water mains?
21.
If a water pump has sealed bearings, how often should they be lubricated?
22.
What is the MCL for THM's?
23.
The total dynamic head at which a pump must operate at is the sum of the static head and the head due to friction loss.
24.
Class D fire involves?
25.
Where should the pressure gauges be connected on the suction and discharge sides of a pump?
