AWWA CROSS CONNECTION
EXAMS WITH ACCURATE ANSWERS
Water pureyor - ANSWER-Who is responsible for the installation and use of
lines on a premise and for the avoidance of cross connections?
Backpressure - ANSWER-What condition may cause a reversal of flow in
water lines?
In an accessible location above ground - ANSWER-Where is the best place to
install a pressure reducer backflow prevention device?
-It is easily altered
-water pressure is lost. - ANSWER-What are the limitations of air-gap
separation?
-Double check valve assembly
-pressure vacuum breaker
-reduced pressure printable device - ANSWER-In the testing of which of the
following is a differential pressure gauge used?
No valves allowed downstream - ANSWER-Which of the following is a/are
installation requirement(s) for an atmospheric vacuum breaker?
Double check valve assembly - ANSWER-What do you call a device that
consist of two internally loaded check valves?
, 12 months - ANSWER-Under the specifications of the foundation of cross
connection control and hydraulic research, what is the minimum period of
trouble-free field service required for a device to gain approval?
1 inch - ANSWER-An air-gap my never be less than how many inch(es)?
Twelve inches above the highest outlet - ANSWER-What is the required
minimum height of a water supply line above the overflow rim of a
receptacle or waste line for a proper air gap?
At least three PSI - ANSWER-What should be the difference between the
opening point of the relief valve and the differential across the first check
valve in order to minimize excessive discharges due to pressure fluctuations
in the supply line?
At least 12 inches above the floor - ANSWER-Where must the relief valve
discharge port of a reduce pressure principal backflow preventer be
installed?
Pressure vacuum breaker - ANSWER-Which device has a spring loaded air
opening downstream from a single check valve?
Two lines the diameter of the supply line - ANSWER-What is the minimum
airgap separation?
-Test #1 check valve for leakage
-Test #2 check valve for leakage
-Test the relief valve to see if it will open at a differential of two PSI -
ANSWER-What conditions are checked when testing a reduced pressure
backflow preventer.
EXAMS WITH ACCURATE ANSWERS
Water pureyor - ANSWER-Who is responsible for the installation and use of
lines on a premise and for the avoidance of cross connections?
Backpressure - ANSWER-What condition may cause a reversal of flow in
water lines?
In an accessible location above ground - ANSWER-Where is the best place to
install a pressure reducer backflow prevention device?
-It is easily altered
-water pressure is lost. - ANSWER-What are the limitations of air-gap
separation?
-Double check valve assembly
-pressure vacuum breaker
-reduced pressure printable device - ANSWER-In the testing of which of the
following is a differential pressure gauge used?
No valves allowed downstream - ANSWER-Which of the following is a/are
installation requirement(s) for an atmospheric vacuum breaker?
Double check valve assembly - ANSWER-What do you call a device that
consist of two internally loaded check valves?
, 12 months - ANSWER-Under the specifications of the foundation of cross
connection control and hydraulic research, what is the minimum period of
trouble-free field service required for a device to gain approval?
1 inch - ANSWER-An air-gap my never be less than how many inch(es)?
Twelve inches above the highest outlet - ANSWER-What is the required
minimum height of a water supply line above the overflow rim of a
receptacle or waste line for a proper air gap?
At least three PSI - ANSWER-What should be the difference between the
opening point of the relief valve and the differential across the first check
valve in order to minimize excessive discharges due to pressure fluctuations
in the supply line?
At least 12 inches above the floor - ANSWER-Where must the relief valve
discharge port of a reduce pressure principal backflow preventer be
installed?
Pressure vacuum breaker - ANSWER-Which device has a spring loaded air
opening downstream from a single check valve?
Two lines the diameter of the supply line - ANSWER-What is the minimum
airgap separation?
-Test #1 check valve for leakage
-Test #2 check valve for leakage
-Test the relief valve to see if it will open at a differential of two PSI -
ANSWER-What conditions are checked when testing a reduced pressure
backflow preventer.
