Welcome to the 25 Question Water Distribution Practice Test.
Choose the best possible answer to the question.
1.
What is the electronic standard range?
2.
Sodium Hypochlorite comes in what form?
3.
What type of joint has moderate deflection and the gaskets absorb vibration and pipe movement?
4.
Calcium hypochlorite comes in what form?
5.
A possible cause of a complaint of cloudy water is?
6.
Hydropneumatic water systems
7.
In order for a sample to be considered a, "First Draw Sample" for Lead & Copper testing, the water must?
8.
What type of water meter determines the total flow by multiplying the flow through meter by a factor?
10.
What organisms have the greatest resistance to chlorine?
11.
The minimum desired water pressure is?
12.
What type of pipe joint consists of two machined surfaces?
13.
When the discharge of a velocity pump is blocked, head builds up. Typically the head is greater than the pressure generated during pumping. When this occurs, water recirculates inside the pump impeller and casing. This condition is called?
14.
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?
15.
Who is the most responsible for your safety while on the job?
16.
The first layer of backfill compaction that is required for a newly installed pipe should?
17.
Yellow hydrant body with an orange cap signals?
18.
Why would a zinc coating be applied to steel water pipes and water tanks?
19.
What valve is the best for regulating flow?
20.
Water in a storage tank on a hill above a town has energy by virtue of its elevation. This difference from the tank to the town is called?
22.
What is a measure of a materials opposition to the flow of electric current?
23.
The upper layer in a reservoir is the?
24.
The powder substance in a Bac-T sample bottle is?
25.
Chlorine gas is how many times denser than air?
