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Electrical Engineering Backflow Assembly Tester Certificate Workshop Multiple Choice Questions and Answers. €15,61
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Electrical Engineering Backflow Assembly Tester Certificate Workshop Multiple Choice Questions and Answers.

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Electrical Engineering Backflow Assembly Tester Certificate Workshop Multiple Choice Questions and Answers.

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Document informatie

  • 7 oktober 2024
  • 37
  • 2024/2025
  • Tentamen (uitwerkingen)
  • Onbekend

Onderwerpen

  • electrical engineering
  • electrical engineering backflow assembly tester
  • electrical engineering backflow assembly
  • electrical engineering backflow

Geschreven voor

  • ELECTRICAL ENGINEERING.
  • ELECTRICAL ENGINEERING.

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Voorbeeld van de inhoud

Electrical Engineering Backflow Assembly
Tester Certificate Workshop Multiple Choice
Questions and Answers.
1. Backflow is the undesirable reversal of flow of water or other
substances
through a cross
connection into the public water system or consumer's:
a. non potable water system.
b. used water system or consumer's potable water system.
c. public water system or consumer's potable water system.
d. public water system or consumer's non potable system.
Verified Answer -c. public water system or consumer's potable water
system.


2. An approved air gap (AG) is a physical separation between the free-
flowing
end of a:
a. non potable water supply pipeline and the overflow rim of an open or
non-pressurized
receiving vessel.
b. potable water supply pipeline and the overflow drain of an open or
non-pressurized receiving
vessel.
c. potable water supply pipeline and the overflow rim of an open or
pressurized receiving

,vessel.
d. potable water supply pipeline and the overflow rim of an open or
non-pressurized receiving
vessel.
Verified Answer -d. potable water supply pipeline and the overflow rim of
an open or
non-pressurized receiving
vessel.


3. An indirect cross-connection is one that is subject to what type of
backflow?
a. only back siphonage
b. only backpressure
c. only low hazard, back siphonage or backpressure
d. high or low hazard, back siphonage or backpressure
Verified Answer -a. only back siphonage


4. Cross-connections between the potable water piping and any piping or
containers
containing substances not approved as potable water must be either
eliminated or
controlled by the installation of an:
a. air gap or a backflow prevention device.
b. approved air break or an backflow prevention device.
c. approved air gap or an approved backflow prevention device.

,d. approved air gap or an approved backflow prevention assembly.
Verified Answer -d. approved air gap or an approved backflow prevention
assembly.


5. While testing CV#2 of a DCVA, if CV #2 leaks, the BAT would observe
that the
water flow:
a. stops from the sight tube at TC #3 and no differential shows on the
gauge.
b. stops from the sight tube at TC #4 and at least 1.0 psid shows on the
gauge.
c. continues from the sight tube at TC #4 and at least 1.0 psid shows on
gauge
d. stops from the sight tube at TC #4 and no differential shows on the
gauge.
Verified Answer -d. stops from the sight tube at TC #4 and no differential
shows on the gauge.


6. Service protection is a way to protect a public water system from
contamination due to backflow from the customer's water system by the
installing an approved
backflow preventer at the:
a. service connection which is considered to be at or near the water meter.
b. service connection which is considered to be the end of the customer's
potable water system furthest from the meter
c. point of use which is considered to be the start of the customer's potable
water system where the pipe goes through the outside wall of the
building.

, d. point of use which is normally considered to be inside the building.
Verified Answer -a. service connection which is considered to be at or near
the water meter.


7. A Washington state certified Backflow Assembly Tester is certified to:
a. inspect, test and repair backflow prevention assemblies.
b. inspect, test and monitor backflow prevention devices.
c. inspect, test and repair backflow prevention devices.
d. inspect, test and monitor backflow prevention assemblies.
Verified Answer -d. inspect, test and monitor backflow prevention
assemblies.


8. The RPBA is designed so that if a check valve leaks, the relief valve
may:
a. close to prevent water from entering the relief valve vent.
b. open to discharge through the relief valve vent.
c. open to discharge through the zone of reduced pressure.
d. close to prevent water from entering the zone of reduced pressure.
Verified Answer -b. open to discharge through the relief valve vent.


9. An AG installed in lieu of an approved backflow prevention assembly
must
be inspected for
compliance with the definition of an approved air gap by:
a. only a BAT.
b. only a CCS.
c. either a CCS or a BAT.

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