Backflow Tester Exam questions with answers

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
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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 |\ |\ |\ |\ |\ |\