Welcome to the Water Distribution Operator Practice Test.
Choose the best possible answer to the question.
1.
The amount of power in watts required during a certain time period is?
2.
The amount of oxygen that can remain dissolved in water is related to?
3.
Force created by a centrifugal pump in the same direction as the shaft travels is known as?
4.
What type of pipe joint permits flexible pipe alignment, is inexpensive to manufacture, and is easy to assemble?
5.
Valve opening and closing is the main cause of hydraulic transient in a water distribution system.
6.
Where ground frost is expected, how far away from any wall should the riser pipes be installed in a meter pit?
7.
A dry barrel fire hydrant is used to?
8.
What valve is used to dampen water hammer?
9.
What type of pipe joint is used in an area with hills or earthquakes to make sure joints do not sperate?
10.
The number of monthly distribution system chlorines residual tests that are required to be taken are based on?
12.
Tier II violations do not pose an immediate threat to public health.
13.
If algae in the water source is clogging the filters of the water plant the most probable solution is to?
14.
Hydraulics is the study of?
15.
Almost all methods used to aerate a reservoir include?
16.
A water sample should be analyzed for a chlorine residual immediately, but if not the operator can analyze the sample for a chlorine residual within?
17.
Meters that work over a wide range of flows are known as?
18.
What type of map should not overlap each other?
19.
The minimum cover over a water main below a road in a warm climate is?
20.
An autoclave will sterilize at
21.
In an excavation a ladder must be placed within how many feet of every person in the trench?
22.
What are the action levels for lead and copper?
23.
Friction in a pipe can cause?
24.
What is an appropriative water right?
25.
The fluoride concentration in drinking water is set in relation to?
