Welcome to the 25 Question Water Distribution Practice Test.
Choose the best possible answer to the question.
1.
1 cubic yard = cubic feet?
2.
What agency establishes drinking water standards in the United States of America?
3.
What type of water meter is based on the Doppler effect?
4.
What is used as an indicator to determine possible contamination in the drinking water?
5.
On a venturi meter the up or down stream pressure is compared to the pressure?
6.
What is a prescriptive water right?
7.
A sample taken that represents the water at particular time and place is?
8.
How often should pump bearings be re-greased?
9.
Sodium Hypochlorite comes in what form?
10.
What is the MCLG for lead in the drinking water?
11.
If a bac-T sample comes back positive, the water supplier needs to?
12.
Records of chemical analyses should be kept for?
13.
At what time of the day is the age of the water stored in the distribution system tanks the lowest?
14.
The depression around the wall of the water surface caused by pumping water from the well is?
15.
The rated flow of a water meter, as stated by the manufacture, is based on
16.
Some water storage tanks have aviation warning lights on them. The FAA regulations require the bulbs to be replaced before they reach what percentage of their normal life expectancy?
18.
Water contaminated with Haloacetic Acids (haa5) may cause?
19.
High levels of Iron & Manganese in the drinking water will cause?
20.
Almost all methods used to aerate a reservoir include?
21.
What should be installed at a dead end water main?
22.
Newly installed water mains should be flushed
23.
The EPA recommends water systems using surface water to collect samples for hexavalent chromium (chromium-6) on what basis?
24.
If an operator notices the bearings on a centrifugal pump are excessively hot, what is the most likely cause?
25.
When a control switch that is operated by changes in pressure is located too close to a pump station what problem may occur?
