Welcome to the 25 Question Water Distribution Practice Test.
Choose the best possible answer to the question.
1.
Thrust blocks are installed to?
2.
Hydraulics is the study of?
3.
Chlorine gas is how many times denser than air?
4.
Fire demand can account for what percentage of total capacity of a storage system?
5.
A sample taken that represents the water at particular time and place is?
6.
What is a prescriptive water right?
7.
Soil that is cohesive contains a lot of?
8.
Dead end water mains should be flushed?
9.
Centrifugal force is generated?
10.
What type of joint is available in both bolted and boltless flexible pipe joint desings?
11.
When working in a confined space the oxygen level should never drop below?
12.
When is an appropriate time to use a by-pass valve?
13.
Who may sign the confined space permit?
14.
A pro of chloramines is?
15.
Calcium hypochlorite comes in what form?
16.
An illness in infants known as methemoglobinemia, or blue baby syndrome, is attributed to?
17.
The water level below the normal level that persists after a well pump has been off for a period of time is?
18.
The minimum desired water pressure is?
19.
What is the purpose of sodium thiosulfate in a water sample bottle?
20.
What is the maximum residual disinfectant level for chlorine?
21.
What water quality report must the water supplier provide to its consumers every year?
22.
If a water pump has sealed bearings, how often should they be lubricated?
23.
What is the minimum separation for an Air Gap?
24.
A fire hydrant that has a yellow body and a red cap represents
25.
When digging a trench to install or repair a water main, where does the soil go?
