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AWWA practice test study guide Questions and Answers Scored A+ A DOUBLE CHECK BACKFLOW PREVENTION ASSEMBLY TEST AND MAINTENANCE REPORT SHALL INCLUDE ALL OF THE FOLLOWING INFORMATION EXCEPT THE: A) ADDRESS OF THE INSTALLATIONB) SERIAL NUMBER OF THE ASSEMBLY C) TEST RESULTS OF CHECK VALVE NUMB...

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  • September 13, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • awwa practice test study guide questions and answe
  • a double check backflow prevention assembly test a
  • an atmospheric type vacuum breaker shall not be su
  • it is possible for a perfect vacuum at sea leve

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AWWA practice test study guide
Questions and Answers Scored A+

A DOUBLE CHECK BACKFLOW PREVENTION ASSEMBLY TEST AND
MAINTENANCE REPORT SHALL INCLUDE ALL OF THE FOLLOWING
INFORMATION EXCEPT THE:
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 – answer E)
DIFFERENTIAL PRESSURE RELIEF VALVE DISCHARGE READING

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

AN ATMOSPHERIC TYPE VACUUM BREAKER SHALL NOT 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 - answerC) TWELVE (12)

IT IS POSSIBLE FOR A PERFECT VACUUM AT SEA LEVEL TO RAISE WATER IN A
PIPE APPROXIMATELY _________ FEET.
A) TWENTY-FIVE (25)
B) THIRTY (30)
C) THIRTY-TWO (32)
D) THIRTY-FOUR (34)
E) THIRTY-SIX (36) - answerD) THIRTY-FOUR (34)

WHAT IS THE MOST DESIRABLE PLACE TO INSTALL A BACKFLOW PREVENTION
DEVICE AND/OR ASSEMBLY?
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 - answerB) IN AN ACCESSIBLE LOCATION
ABOVE GROUND

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

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

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

THE DEGREE OF HAZARD IS:
A) THE ACCEPTABLE TEMPERATURE RANGE OF A NON-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 -
answerC) BASED UPON THE QUALITY OF A NON POTABLE WATER SOURCE

BACKFLOW MAY BE DESCRIBED AS EITHER:
A) BACKPRESSURE OR BACKSIPHONAGE

, B) CONTAMINATION OR POLLUTION
C) CONTAINMENT AND ISOLATION
D) DIRECT AND/OR INDIRECT
E) HIGH TEMPERATURE OR LOW TEMPERATURE - answerA) BACKPRESSURE
OR BACKSIPHONAGE

THE FEDERAL LAW PLACING RESPONSIBILITY FOR THE PROTECTION OF THE
PUBLIC WATER SUPPLY ON THE PURVEYOR OF WATER IS THE:
A) ENVIRONMENTAL PROTECTION AGENCY'S PRIMARY DRINKING WATER
REGULATIONS
B) OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION REGULATIONS
C) SAFE DRINKING WATER ACT
D) FOOD AND DRUG ADMINISTRATION'S UNIFORM PLUMBING CODE
E) CLEAN WATER ACT - answerC) SAFE DRINKING WATER ACT

HOW MANY INCHES MUST A PRESSURE TYPE VACUUM BREAKER ASSEMBLY
BE INSTALLED ABOVE ALL DOWNSTREAM PIPING?
A) SIX (6)
B) TWELVE (12)
C) EIGHTEEN (18)
D) TWENTY-FOUR (24)
E) ONE (1) - answerB) TWELVE (12)

A DOUBLE CHECK BACKFLOW PREVENTION ASSEMBLY WILL PROTECT THE
POTABLE WATER SUPPLY FROM:
A) NON-HEALTH HAZARD - BACKSIPHONAGE
B) NON-HEALTH HAZARD - BACKPRESSURE
C) NON-HEALTH HAZARD - BACKPRESSURE AND BACKSIPHONAGE
D) HEALTH HAZARD - BACKSIPHONAGE
E) HEALTH HAZARD - BACKPRESSURE - answerC) NON-HEALTH HAZARD -
BACKPRESSURE AND BACKSIPHONAGE

HOW MANY INCHES MUST AN ATMOSPHERIC VACUUM BREAKER BE
INSTALLED ABOVE ALL DOWNSTREAM PIPING AND HIGHEST OPENING?
A) SIX (6)
B) NINE (9)
C) TWELVE (12)
D) EIGHTEEN (18)
E) ONE (1) - answerA) SIX (6)

AN ATMOSPHERIC VACUUM BREAKER IS INSTALLED TO PROTECT AGAINST:
A) BACKPRESSURE - NON-HEALTH HAZARD CONDITIONS ONLY
B) BACKPRESSURE - HEALTH HAZARD CONDITIONS ONLY
C) BACKSIPHONAGE - NON-HEALTH HAZARD CONDITIONS ONLY
D) BACKSIPHONAGE - HEALTH HAZARD CONDITIONS ONLY

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