WATER DISTRIBUTION GRADE 1 CERTIFICATION
ADEQ PRACTICE EXAM 2026 WITH 100+
QUESTIONS AND 100% verified ANSWERS | ALREADY
GRADED A+ | GUARANTEED SUCCESS | WATER
DISTRIBUTION FINAL EXAM 2026
1. What is the general definition of an ion? An _________ with a positive or
negative charge - ANSWER-Atom
2. A continuous positive pressure in a distribution system is essential for
preventing what event? - ANSWER-Backflow Event
3. _____________ 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
backsiphonage from cross-connections. - ANSWER-Minimum
4. Name the most common CAUSE for public water supply contamination.
_________________ or cross-connection - ANSWER-Backflow
5. What does a backsiphonage condition usually cause? __________ pressure
or negative pressure on the service or supply side. - ANSWER-Reduced
6. What does a double check valve backflow assembly provide effective
protection from? Both backpressure and backsiphonage of ____________. -
ANSWER-Pollution
, 7. What is equipment that utilizes water for cooling, lubrication, washing or as
a solvent always susceptible to? - ANSWER-Cross-Connection
8. What is the difference between a reduced pressure principle backflow device
and a double check backflow device? The RP has a ______________. -
ANSWER-Relief Valve
9. What is the maximum time period between having a backflow device tested
by a certified backflow tester? ______________ year. - ANSWER-1
10.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. - ANSWER-PWS
11.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? -
ANSWER-Bypass Valve
12.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. - ANSWER-Coughing
13.Chlorine gas causes suffocation, constriction of the chest, tightness in the
throat, and edema of the ______________. - ANSWER-Lungs
ADEQ PRACTICE EXAM 2026 WITH 100+
QUESTIONS AND 100% verified ANSWERS | ALREADY
GRADED A+ | GUARANTEED SUCCESS | WATER
DISTRIBUTION FINAL EXAM 2026
1. What is the general definition of an ion? An _________ with a positive or
negative charge - ANSWER-Atom
2. A continuous positive pressure in a distribution system is essential for
preventing what event? - ANSWER-Backflow Event
3. _____________ 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
backsiphonage from cross-connections. - ANSWER-Minimum
4. Name the most common CAUSE for public water supply contamination.
_________________ or cross-connection - ANSWER-Backflow
5. What does a backsiphonage condition usually cause? __________ pressure
or negative pressure on the service or supply side. - ANSWER-Reduced
6. What does a double check valve backflow assembly provide effective
protection from? Both backpressure and backsiphonage of ____________. -
ANSWER-Pollution
, 7. What is equipment that utilizes water for cooling, lubrication, washing or as
a solvent always susceptible to? - ANSWER-Cross-Connection
8. What is the difference between a reduced pressure principle backflow device
and a double check backflow device? The RP has a ______________. -
ANSWER-Relief Valve
9. What is the maximum time period between having a backflow device tested
by a certified backflow tester? ______________ year. - ANSWER-1
10.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. - ANSWER-PWS
11.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? -
ANSWER-Bypass Valve
12.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. - ANSWER-Coughing
13.Chlorine gas causes suffocation, constriction of the chest, tightness in the
throat, and edema of the ______________. - ANSWER-Lungs
