Welcome to the 25 Question Water Distribution Practice Test.
Choose the best possible answer to the question.
1.
Dry barrel fire hydrants are used in what type of environment?
2.
What is the maximum residual disinfectant level for chlorine?
3.
Yellow hydrant body with a green cap signals?
4.
Photosynthesis is a biochemical process in which
5.
A competent person must inspect excavations continuously while workers are in the excavation.
6.
Soil that is cohesive contains a lot of?
7.
What type of valve is used to control the level in a water tank?
8.
What is the sample size for lead and copper analysis?
9.
Why are fire hydrants commonly color coded?
10.
When flushing a water main in response to a water quality complaint, always flush at what velocity?
11.
An underground geological water bearing formation is?
12.
What type of pipe joint consists of two machined surfaces?
13.
Why is it important to monitor the speed of a variable speed pump?
14.
The more hydrogen ions
15.
Define the term drawdown?
16.
What is this and what is it used for?
17.
High levels of Iron & Manganese in the drinking water will cause?
18.
Fire demand can account for what percentage of total capacity of a storage system?
19.
If a water pump has sealed bearings, how often should they be lubricated?
20.
How much deflection is allowed for AC couplings that are 3" to 12" in diameter?
21.
What thrust control is easy to use, especially in locations where existing utilities or structures are numerous?
22.
What is atmospheric pressure at sea level?
23.
What is the term for electrochemical corrosion caused by the joining of two different metals?
24.
The minimum desired water pressure is?
25.
What device found in labs sterilizes by using pressurized steam?
