AWWA PRACTICE TEST STUDY GUIDE ACTUAL 2026 QUESTIONS AND 100% CORRECT ANSWERS

AWWA practice test study guide
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1. A DOUBLE CHECK BACKFLOW PREVENTION ASSEMBLY E) DIFFERENTIAL PRES-
TEST AND MAINTENANCE REPORT SHALL INCLUDE ALL SURE RELIEF VALVE DIS-
OF THE FOLLOWING INFORMATION EXCEPT THE: CHARGE READING
A) ADDRESS OF THE INSTALLATIONB) SERIAL NUMBER
OF THE ASSEMBLY
C) TEST RESULTS OF CHECK VALVE NUMBER ONE (1)
D) TEST RESULTS OF CHECK VALVE NUMBER TWO (2)
E) DIFFERENTIAL PRESSURE RELIEF VALVE DISCHARGE
READING

2. THE BY-PASS LINE OF AN APPROVED BACKFLOW PRE- C) PROTECTION
VENTION ASSEMBLY MUST CONTAIN AN APPROVED
ASSEMBLY OF EQUAL:
A) CORROSION RESISTANCE
B) FLOW CAPACITY
C) PROTECTION
D) SIZE
E) TEMPERATURE RATING

3. AN ATMOSPHERIC TYPE VACUUM BREAKER SHALL NOT C) TWELVE (12)
BE SUBJECTED TO WATER PRESSURE FOR PERIODS
THAN ______ HOURS.
A) SIX (6)
B) EIGHT (8)
C) TWELVE (12)
D) TWENTY-FOUR (24)
E) NONE OF THE ABOVE

4. IT IS POSSIBLE FOR A PERFECT VACUUM AT SEA LEVEL D) THIRTY-FOUR (34)
TO RAISE WATER IN A PIPE APPROXIMATELY _________
FEET.
A) TWENTY-FIVE (25)


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B) THIRTY (30)
C) THIRTY-TWO (32)
D) THIRTY-FOUR (34)
E) THIRTY-SIX (36)

5. WHAT IS THE MOST DESIRABLE PLACE TO INSTALL A B) IN AN ACCESSIBLE LO-
BACKFLOW PREVENTION DEVICE AND/OR ASSEMBLY? CATION ABOVE GROUND
A) IN A REINFORCED CONCRETE PIT
B) IN AN ACCESSIBLE LOCATION ABOVE GROUND
C) UNDERGROUND, WITH A MINIMUM OF TWELVE (12)
INCHES OF COVER
D) AT OR ABOVE CEILING HEIGHT, TO PROTECT IT
FROM VANDALISM
E) BEHIND THE BOILER OR EQUIPMENT SERVED, SO
IT CAN BE WORKED ON WHEN THE EQUIPMENT IS
REMOVED

6. WHICH OF THE FOLLOWING CONDITIONS COULD C) TURNING OFF SERVICE
RESULT IN WATER CONTAMINATION THROUGH A TO A MULTI-STORY BUILD-
CROSS-CONNECTION? ING AND ALLOWING THE
A) A VACUUM CREATED BY THE IMPROPER USE OF WA- WATER SUPPLY TO DRAIN
TER HAMMER ARRESTERS
B) THE USE OF SELF CLOSING LAVATORY FAUCETS
C) TURNING OFF SERVICE TO A MULTI-STORY BUILD-
ING AND ALLOWING THE WATER SUPPLY TO DRAIN
D) A VACUUM CREATED BY THE USE OF QUICK CLOS-
ING VALVES ON THE LOWER FLOORS OF A BUILDING
EXCEEDING TEN (10) FLOORS IN HEIGHT
E) THE INSTALLATION OF WATER CONSERVING FIX-
TURES, INTO A BUILDING DESIGNED PRIOR TO THEIR
REQUIRED US




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7. WHAT IS ANOTHER TERM THAT DESCRIBES WATER B) CONTAMINATION
QUALITY AS A HEALTH HAZARD RESULTING FROM
BACKFLOW?
A) ISOLATION
B) CONTAMINATION
C) CROSS-CONNECTION
D) POLLUTION
E) CONTAINED

8. THE VENTURI EFFECT STATES THAT WHEN THE WATER D) DECREASES
VELOCITY WITHIN THE PIPE INCREASES, THE PRES-
SURE:\
A) WILL INCREASE PROPORTIONATELY
B) WILL REMAIN CONSTANT
C) COMPRESSES EXCESS VOLUMES OF WATER
D) DECREASES
E) CREATES BACKPRESSURE

9. THE DEGREE OF HAZARD IS: C) BASED UPON THE
A) THE ACCEPTABLE TEMPERATURE RANGE OF A QUALITY OF A NON
NON-POTABLE WATER SOURCE POTABLE WATER SOURCE
B) THE ANGLE OF THE BACKFLOW PREVENTER
C) BASED UPON THE QUALITY OF A NON POTABLE
WATER SOURCE
D) DISTANCE BETWEEN THE CROSS-CONNECTION AND
THE BACKFLOW PREVENTER
E) THE ENGINEER'S SPECIFIED ELEVATION OF
NON-POTABLE PIPING

10. BACKFLOW MAY BE DESCRIBED AS EITHER: A) BACKPRESSURE OR
A) BACKPRESSURE OR BACKSIPHONAGE BACKSIPHONAGE
B) CONTAMINATION OR POLLUTION