AWWA practice test study guide Questions and Answers Scored A+

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 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 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 C) 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) D) 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 B) 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 C) 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 B) 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 D) 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 C) 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 A) 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 C) 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) B) 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 C) 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) A) 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 E) BACKSIPHONAGE – HEALTH HAZARD OR NON-HEALTH HAZARD CONDITIONS E) BACKSIPHONAGE – HEALTH HAZARD OR NON-HEALTH HAZARD CONDITIONS THE TERM “APPROVED REDUCED PRESSURE PRINCIPLE ASSEMBLY”, APPLIES TO AN ASSEMBLY WITH TWO SHUT-OFF VALVES, FOUR TEST COCKS AND: A) TWO CHECK VALVES AND AN AIR INLET VALVE B) TWO APPROVED CHECK VALVES AND AN AIR INLET VALVE C) TWO APPROVED CHECK VALVES AND A PRESSURE RELIEF VALVE D) TWO APPROVED CHECK VALVES AND A DIFFERENTIAL PRESSURE RELIEF Valve E) TWO APPROVED CHECK VALVES AND A PRESSURE REGULATING VALVE D) TWO APPROVED CHECK VALVES AND A DIFFERENTIAL PRESSURE RELIEF Valve IT IS REQUIRED THAT THE TEST GAUGE BE TESTED FOR ACCURACY AT LEAST: A) MONTHLY B) QUARTERLY C) SEMI-ANNUALLY D) ANNUALLY E) AT THE TIME OF PURCHASE AND PRIOR TO EACH USE FOR TESTING D) ANNUALLY UNDERSIZED WATER PIPING CARRYING WATER AT HIGH VELOCITY CAN CAUSE BACKSIPHONAGE DUE TO: A) THE VACUUM EFFECT B) THE PIVOT EFFECT C) THE MARGINAL EFFECT D) THE ASPIRATOR EFFECT E) THE VELOCITY EFFECT D) THE ASPIRATOR EFFECT AN AIR GAP SEPARATION IS MEASURED FROM THE OUTLET OF THE DISCHARGE PIPE, TO THE: A) FIXTURE DRAIN PLUG B) INLET OF THE SUPPLY C) LEVEL OF THE LIQUID D) FLOOD LEVEL RIM E) NONE OF THE ABOVE D) FLOOD LEVEL RIM THE MINIMUM TYPE OF CONTAINMENT PROTECTION FOR A NON-HEALTH HAZARD, NON-CHEMICAL FIRE SPRINKLER SYSTEM IS A(N): A) ATMOSPHERIC VACUUM BREAKER B) DOUBLE CHECK DETECTOR ASSEMBLY BACKFLOW PREVENTER C) PRESSURE VACUUM BREAKER ASSEMBLY D) REDUCED PRESSURE DETECTOR ASSEMBLY E) ALL OF THE ABOVE B) DOUBLE CHECK DETECTOR ASSEMBLY BACKFLOW PREVENTER THE TYPE OF PROTECTION REQUIRED FOR A CLOSED LOOP HEATING SYSTEM CONTAINING CHEMICALS IS: A) REDUCED PRESSURE PRINCIPLE ASSEMBLY B) DOUBLE CHECK VALVE ASSEMBLY C) PRESSURE VACUUM BREAKER ASSEMBLY D) DUAL CHECK VALVE TYPE BACKFLOW PREVENTER E) ALL OF THE ABOVE A) REDUCED PRESSURE PRINCIPLE ASSEMBLY FOR CONTAINMENT PROTECTION IN A NON-HEALTH HAZARD SITUATION, THE MINIMUM PROTECTION REQUIRED SHALL BE: A) REDUCED PRESSURE PRINCIPLE BACKFLOW PREVENTER B) TWO (2) SINGLE CHECK VALVES IN SERIES C) DOUBLE CHECK BACKFLOW PREVENTION ASSEMBLY D) ATMOSPHERIC VACUUM BREAKER E) NONE OF THE ABOVE C) DOUBLE CHECK BACKFLOW PREVENTION ASSEMBLY WATER CONTINUOUSLY LEAKING FROM TEST COCK #2 DURING A TEST PROCEDURE OF A PRESSURE VACUUM BREAKER ASSEMBLY IS PROBABLY CAUSED BY A LEAKING: A) AIR INLET VALVE B) TEST COCK #1 C) INLET SHUT-OFF VALVE #1 D) OUTLET SHUT-OFF VALVE #2 E) TEST COCK #2 C) INLET SHUT-OFF VALVE #1 THE REQUIRED BACKFLOW PREVENTION ASSEMBLY FOR A FIRE SUPPRESSION SYSTEM CONTAINING CHEMICALS IS: A) REDUCED PRESSURE DETECTOR ASSEMBLY OR REDUCED PRESSURE PRINCIPLE ASSEMBLY B) DOUBLE CHECK DETECTOR ASSEMBLY OR DOUBLE CHECK BACKFLOW PREVENTION ASSEMBLY C) PRESSURE VACUUM BREAKER ASSEMBLY D) DUAL CHECK VALVE TYPE BACKFLOW PREVENTER E) NONE OF THE ABOVE A) REDUCED PRESSURE DETECTOR ASSEMBLY OR REDUCED PRESSURE PRINCIPLE ASSEMBLY THE REQUIRED TYPE OF BACKFLOW PROTECTION FOR A CLOSED LOOP PIPING SYSTEM CONTAINING GLYCOL IS: A) DOUBLE CHECK VALVE ASSEMBLY B) REDUCED PRESSURE PRINCIPLE ASSEMBLY C) ATMOSPHERIC VACUUM BREAKER D) DUAL CHECK VALVE TYPE BACKFLOW PREVENTER E) NONE OF THE ABOVE B) REDUCED PRESSURE PRINCIPLE ASSEMBLY