Welcome to the 25 Question Water Distribution Practice Test.
Choose the best possible answer to the question.
1.
Class D fire involves?
2.
The rated flow of a water meter, as stated by the manufacture, is based on
3.
What is the MCL for THM's?
4.
A detailed map of the entire distribution system is?
5.
What type of water distribution system configuration generally has smaller mains and terminates as dead ends?
6.
What is the steel specimen inserted into water mains to measure the corrosiveness of the water is?
7.
What agency establishes drinking water standards in the United States of America?
8.
What gauge is used to perform hydrant flow testing?
9.
Where are the sampling points located for required sampling of natural radionuclides in a community water system?
10.
What type of sample should always be collected for determining the presence of coliform bacteria?
11.
What effect will caustic soda have on water?
12.
The outlet of a forced ventilation system for a chlorinator room she be located?
13.
Where should the pressure gauges be connected on the suction and discharge sides of a pump?
14.
When did Congress enact the Safe Drinking Water Act?
15.
What is the difference between a Primary and a Secondary standard in drinking water?
16.
How many pounds of chlorine is capable of being withdrawn from a 150lb cylinder in a day?
17.
When is an appropriate time to use a by-pass valve?
18.
If algae in the water source is clogging the filters of the water plant the most probable solution is to?
19.
An underground geological water bearing formation is?
20.
A water system should monitor the water source for?
21.
Water mains that are 12" or less in diameter should have isolation valves that are located not more than how many feet between each other?
22.
What is the main reason for the poor accident record of operators?
23.
Define the term drawdown?
24.
The Surface Water Treatment Rule requires that disinfectant residuals be collected at the same location in the distribution system as?
25.
Why should a centrifugal pump never be run empty?
