ADEQ Water Distribution Grade 1 Practice Exam: Questions and answers| Graded A+|Guaranteed pass

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ADEQ Water Distribution Grade 1 Practice
Exam: Questions and answers| Graded
A+|Guaranteed pass


Question:What is the general definition of an ion? An with a
positive or negative charge


Ans: Atom


Question: A continuous positive pressure in a distribution system is essential
for preventing what event?


Ans: Backflow Event


Question: water pressure must be maintained to ensure
adequate customer service during peak flow periods. However, minimum
positive pressure must be maintained in mains to protect against backflow or
back siphonage from cross-connections.


Ans: Minimum


Question: Name the most common CAUSE for public water supply
contamination. or cross-connection

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Ans: Backflow


Question: What does a back siphonage condition usually cause?
pressure or negative pressure on the service or supply side.


Ans: Reduced


Question: What does a double check valve backflow assembly provide
effective protection from? Both backpressure and back siphonage of
.


Ans: Pollution


Question: What is equipment that utilizes water for cooling, lubrication,
washing or as a solvent always susceptible to?


Ans: Cross-Connection


Question: What is the difference between a reduced pressure principle
backflow device and a double check backflow device? The RP has a
.


Ans: Relief Valve


Question: What is the maximum time period between having a backflow
device tested by a certified backflow tester? year.


Ans: 1

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Question: What is the regulatory definition of a cross-connection in a water
supply? A physical connection between a public water system and any source
of water or other substance that may lead to contamination of the water
provided by the through backflow.


Ans: PWS


Question: What is the name of a type of valve that reduces the differential
pressure across a closed disk making the main valve easier to open and close?


Ans: Bypass Valve


Question: As soon as Cl2 gas enters the throat area, a victim will sense a
sudden stricture in this area-Nature's way of signaling to prevent passage of
the gas to the lungs. At this point, the victim must attempt to do two things:
get out of the area of the leak, proceeding upwind, and to take only very short
breaths through the mouth. Normal breathing will cause , which
must be prevented if possible.


Ans: Coughing


Question: Chlorine gas causes suffocation, constriction of the chest, tightness
in the throat, and edema of the .


Ans: Lungs


Question: available chlorine is very effective in killing
bacteria.