Backflow Tester Exam questions with |\ |\ |\ |\ |\
answers
A double check valve assembly is installed 12 above the floor
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for? - CORRECT ANSWERS ✔✔Maintenance
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A low hazard Backflow preventer is a? - CORRECT ANSWERS
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✔✔Double Check valve assembly |\ |\ |\
A field test report for a double check will include the
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manufacturer name, model, size and ?? - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Serial number |\
Double check valve assembly components are?? - CORRECT
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ANSWERS ✔✔Independently acting |\ |\
A double check valve assembly hydraulic use is?? - CORRECT
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ANSWERS ✔✔Continuous |\
A detector assembly contains a device of equal? - CORRECT
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ANSWERS ✔✔Protection |\
Each check valve of a double check valve assembly is forced to
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load to what psi? - CORRECT ANSWERS ✔✔1.0
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,A double check valve assembly is required to contain test cocks
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that total? - CORRECT ANSWERS ✔✔4
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A double check valve assembly is designed to detect low flow
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rates up to what gpm - CORRECT ANSWERS ✔✔1
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A double check detector assembly is referenced as a? - CORRECT
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ANSWERS ✔✔DCDA
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A double check valve assembly installed in a vertical flow down
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orientation is only allowed? - CORRECT ANSWERS ✔✔If approved
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for that orientation
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The max height the water will rise in a barometric loop is
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dependent of? - CORRECT ANSWERS ✔✔Atmospheric pressure
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The number 1 check spring on a RP has a minimum spring
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tension requirement of? - CORRECT ANSWERS ✔✔5 psi
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Relief valves are designed to open to atmosphere when supply
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pressure becomes less than? - CORRECT ANSWERS ✔✔2 psi
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A RP has an inlet supply pressure of 97psi. The pressure in the
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zone will be at least? - CORRECT ANSWERS ✔✔92 psi
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The purpose of an RP is to? - CORRECT ANSWERS ✔✔Prevent
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contamination from entering the water supply |\ |\ |\ |\ |\
, The application of an RP is? - CORRECT ANSWERS ✔✔Any hazard
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
application
The max level of protection provided by a RP is? - CORRECT
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ANSWERS ✔✔Health hazard |\ |\
A RP zone pressure should be - CORRECT ANSWERS ✔✔5 psi -
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less than supply
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A RP fouled check valve number 1 may be indicated by -
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CORRECT ANSWERS ✔✔Continuous dripping |\ |\ |\
With both shut off valves closed and test cocks 3-4 open, a
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continuous discharge from test cock 4 might indicate a leak
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through - CORRECT ANSWERS ✔✔Shut off valve number 2
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Lock out tag out must be used - CORRECT ANSWERS ✔✔All the
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above
An RP relief valve is loaded to - CORRECT ANSWERS ✔✔Push the
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valve away from its seat
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The purpose of RP check valve number 1 loading is - CORRECT
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ANSWERS ✔✔Create a reduction in water pressure |\ |\ |\ |\ |\ |\
answers
A double check valve assembly is installed 12 above the floor
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
for? - CORRECT ANSWERS ✔✔Maintenance
|\ |\ |\ |\
A low hazard Backflow preventer is a? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Double Check valve assembly |\ |\ |\
A field test report for a double check will include the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
manufacturer name, model, size and ?? - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Serial number |\
Double check valve assembly components are?? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Independently acting |\ |\
A double check valve assembly hydraulic use is?? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Continuous |\
A detector assembly contains a device of equal? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Protection |\
Each check valve of a double check valve assembly is forced to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
load to what psi? - CORRECT ANSWERS ✔✔1.0
|\ |\ |\ |\ |\ |\ |\
,A double check valve assembly is required to contain test cocks
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
that total? - CORRECT ANSWERS ✔✔4
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A double check valve assembly is designed to detect low flow
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
rates up to what gpm - CORRECT ANSWERS ✔✔1
|\ |\ |\ |\ |\ |\ |\ |\
A double check detector assembly is referenced as a? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔DCDA
|\ |\
A double check valve assembly installed in a vertical flow down
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
orientation is only allowed? - CORRECT ANSWERS ✔✔If approved
|\ |\ |\ |\ |\ |\ |\ |\ |\
for that orientation
|\ |\
The max height the water will rise in a barometric loop is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
dependent of? - CORRECT ANSWERS ✔✔Atmospheric pressure
|\ |\ |\ |\ |\ |\
The number 1 check spring on a RP has a minimum spring
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
tension requirement of? - CORRECT ANSWERS ✔✔5 psi
|\ |\ |\ |\ |\ |\ |\
Relief valves are designed to open to atmosphere when supply
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
pressure becomes less than? - CORRECT ANSWERS ✔✔2 psi
|\ |\ |\ |\ |\ |\ |\ |\
A RP has an inlet supply pressure of 97psi. The pressure in the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
zone will be at least? - CORRECT ANSWERS ✔✔92 psi
|\ |\ |\ |\ |\ |\ |\ |\ |\
The purpose of an RP is to? - CORRECT ANSWERS ✔✔Prevent
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
contamination from entering the water supply |\ |\ |\ |\ |\
, The application of an RP is? - CORRECT ANSWERS ✔✔Any hazard
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
application
The max level of protection provided by a RP is? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Health hazard |\ |\
A RP zone pressure should be - CORRECT ANSWERS ✔✔5 psi -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
less than supply
|\ |\
A RP fouled check valve number 1 may be indicated by -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Continuous dripping |\ |\ |\
With both shut off valves closed and test cocks 3-4 open, a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
continuous discharge from test cock 4 might indicate a leak
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
through - CORRECT ANSWERS ✔✔Shut off valve number 2
|\ |\ |\ |\ |\ |\ |\ |\
Lock out tag out must be used - CORRECT ANSWERS ✔✔All the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
above
An RP relief valve is loaded to - CORRECT ANSWERS ✔✔Push the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
valve away from its seat
|\ |\ |\ |\
The purpose of RP check valve number 1 loading is - CORRECT
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ANSWERS ✔✔Create a reduction in water pressure |\ |\ |\ |\ |\ |\
