Welcome to the 25 Question Water Distribution Practice Test.
Choose the best possible answer to the question.
1.
What describes the discharge rate of a piston style pump?
2.
How much deflection is allowed for AC couplings that are 3" to 12" in diameter?
3.
What is an example of Tier III violation.
4.
What thrust control is easy to use, especially in locations where existing utilities or structures are numerous?
5.
What health effect category refers to an organic chemical that is a known carcinogen?
6.
If ammonia vapor is passed over a chlorine leak from a cylinder valve, the leak is indicate by
7.
Permit required confined space entry requires a chest or full body harness and a retrieval line.
8.
Water meters that can register small flows as well as large flows are?
9.
Public water systems using surface water must continuously monitor the disinfection residual entering the distribution system if serving more than?
10.
What type of pipe has the lowest normal maximum working pressure?
11.
When using screw jacks to install shoring material within a trench, the jacks should always be installed?
12.
Never apply water to a gaseous chlorine leak because the water will cause more issues.
13.
The pulling or stretching of a water pipe without breaking is known as its?
14.
The ISO recommends that non-looped water mains connected to fire hydrants have a diameter of at least?
15.
A fire hydrant that has a yellow body and a red cap represents
16.
Water distribution system piping should be rated to withstand how many times higher than normal operating pressure?
17.
The minimum required free chlorine residual anywhere in the water distribution system is?
18.
What type of joint for connecting water pipes has the disadvantage of having a groove that weakens the pipe wall?
19.
What type of self-contained breathing apparatus should be used at water plants?
20.
What device changes the alternating current to direct current by allowing the electric current to flow in one direction but blocks flow in the opposite direction?
21.
Records on bacterial analysis should be kept for a minimum of?
22.
What type of relay is mostly used to detect a power loss and initiate a switchover to another power source?
23.
The amount of oxygen that can remain dissolved in water is related to?
24.
What does DBP stand for?
25.
If a lane on a road needs to be closed due to an excavation and the speed limit is 25mph, how many cones are required to divert traffic?
