BACKFLOW PREVENTION ASSEMBLY BPAT

BACKFLOW PREVENTION ASSEMBLY BPAT

TESTER FINAL EXAM LATEST ACTUAL

EXAM QUESTIONS AND CORRECT

DETAILED ANSWERS (VERIFIED ANSWERS)

Pressure vacuum breaker shut-off valves must be _____ valves.

• Angle
• Gate
• Globe
• Regulating
• Tightly closed Correct Answer E. Tightly closed

An indication that a pressure vacuum breaker is undersized for its application is _____?

• Air-inlet valve leakage
• Bonnet distortion
• Chatter or noise during flow
• Disc pitting
• Spring elongation Correct Answer C. Chatter or noise during

flow

Continuous flow from a pressure vacuum breaker's test cock 2 with shut-off valve 2 open and shut-off valve 1 closed is an indication of _____?

• Backpressure backflow
• Backsiphonage backflow
• A failed air-inlet valve
• A leaking check valve
• A leaking or damaged shut-off valve 1 Correct Answer A.

Backpressure backflow

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Pressure vacuum breakers may be used on the following applications except ____?

• High hazard/backsiphonage
• High hazard/continuous pressure
• Low hazard/backpressure
• Low hazard/backsiphonage
• Low hazard/intermittent pressure Correct Answer C. Low

hazard/backpressure

A double check valve assembly is installed 12 in. (30.5 cm) above the floor for _____?

• Electrical code compliance
• Floor draining
• Maintenance
• Mechanical code compliance
• Rodent control Correct Answer C. Maintenance

Double check valve assembly product performance standards require venting for _____?

• Chemicals
• Test cock corrosion
• Trapped air
• Vertical installations
• Winterization Correct Answer C. Trapped air

A low-hazard use only backflow preventer is a(n) _____?

• Air-gap separation
• Atmospheric vacuum breaker
• Double check valve assembly
• Pressure vacuum breaker assembly
• Reduced pressure principle assembly Correct Answer C.

Double check valve assembly

Double check detector assembly flow indicators must register flow up to _____? 2 / 3

• 1 gpm (3.8 l/min)
• 2 gpm (7.6 l/min)
• 3 gpm (11.4 l/min)
• 4 gpm (15.1 l/min)
• 5 gpm (18.9 l/min) Correct Answer B. 2 gpm (7.6 l/min)

A field test report for a double check valve assembly will include the manufacturer's name, model, size, and _____?

• Body material
• Date of manufacture
• Serial number
• Working pressure (maximum)
• Working temperature (maximum) Correct Answer C. Serial

number

Double check valve assembly components must be _____?

• Bronze
• Independently acting
• Plastic
• Rubber
• Spring activated Correct Answer B. Independently acting

After the repair of a double check valve assembly, a field test is required for the _____?

• Check valve number 1
• Component repaired
• Entire assembly
• Tester's personal records only
• Shut-off valve tightness Correct Answer C. Entire assembly

Prior to testing the check valves in the direction of flow on a double check valve assembly using a high and low side on the gauge, a tester must first ____?

• Determine the tightness of shut-off valve number 2
• Notify the owner of the water shut-off
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