Backflow Prevention Study Guide (Charleston Water Systems) ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
questions with verified detailed solutions ||\\//|| ||\\//|| ||\\//|| ||\\//||
Name the two types of backflow. - correct answer✔✔Backpressure and Backsiphonage
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
All of the following may be considered acceptable for containment of a building with the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
exception of a(n): ||\\//|| ||\\//||
a) Air Gap
||\\//|| ||\\//||
b) Double Check Valve Assembly
||\\//|| ||\\//|| ||\\//|| ||\\//||
c) Residential Dual Check
||\\//|| ||\\//|| ||\\//||
d) Reduced Pressure Backflow Assembly
||\\//|| ||\\//|| ||\\//|| ||\\//||
e) Pressure Vacuum Breaker Assembly - correct answer✔✔e) Pressure Vacuum Breaker
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Assembly
A Reduced Pressure Backflow Assembly (RP) protects against:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) High hazard, Backpressure
||\\//|| ||\\//|| ||\\//||
b) High hazard, Backsiphonage
||\\//|| ||\\//|| ||\\//||
c) Low hazard, Backpressure & Backsiphonage
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
d) All of the above - correct answer✔✔d) All of the above
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
How many test cocks are on a Reduced Pressure Backflow Assembly? - correct answer✔✔4
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
How many test cocks are on a Double Check Valve Assembly? - correct answer✔✔4
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
How many test cocks are on a Pressure Vacuum Breaker Assembly? - correct answer✔✔2
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
, How many test cocks are on an Atmospheric Vacuum Breaker? - correct answer✔✔0
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
True/False: Test Gauges should be properly stored to ensure they are not damaged when ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
not in use. - correct answer✔✔True
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A Backflow Preventer for Beverage Dispensing Equipment protects against carbon dioxide
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
from entering the potable water supply from which type of backflow?
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) Backpressure
||\\//||
b) Backsiphonage
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c) Both A & B
||\\//|| ||\\//|| ||\\//|| ||\\//||
d) None of the above - correct answer✔✔c) Both A & B
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A Residential Dual Check Backflow Preventer has:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) Two Independently Acting Checks
||\\//|| ||\\//|| ||\\//|| ||\\//||
b) Two Independently Acting Checks and an Atmospheric Port
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
c) Two Independently Acting Checks with a relief valve
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
d) None of the Above - correct answer✔✔a) Two Independently Acting Checks
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the best form or method backflow prevention?||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) A Double Check Valve Assembly
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
b) A Reduced Pressure Backflow Assembly
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
c) A Reduced Pressure Detector Assembly
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
d) An Air Gap - correct answer✔✔d) An Air Gap
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A Reduced Pressure Backflow Assembly must be installed:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) No lower then 12-inches and no higher than 72-inches
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
questions with verified detailed solutions ||\\//|| ||\\//|| ||\\//|| ||\\//||
Name the two types of backflow. - correct answer✔✔Backpressure and Backsiphonage
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
All of the following may be considered acceptable for containment of a building with the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
exception of a(n): ||\\//|| ||\\//||
a) Air Gap
||\\//|| ||\\//||
b) Double Check Valve Assembly
||\\//|| ||\\//|| ||\\//|| ||\\//||
c) Residential Dual Check
||\\//|| ||\\//|| ||\\//||
d) Reduced Pressure Backflow Assembly
||\\//|| ||\\//|| ||\\//|| ||\\//||
e) Pressure Vacuum Breaker Assembly - correct answer✔✔e) Pressure Vacuum Breaker
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Assembly
A Reduced Pressure Backflow Assembly (RP) protects against:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) High hazard, Backpressure
||\\//|| ||\\//|| ||\\//||
b) High hazard, Backsiphonage
||\\//|| ||\\//|| ||\\//||
c) Low hazard, Backpressure & Backsiphonage
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
d) All of the above - correct answer✔✔d) All of the above
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
How many test cocks are on a Reduced Pressure Backflow Assembly? - correct answer✔✔4
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
How many test cocks are on a Double Check Valve Assembly? - correct answer✔✔4
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
How many test cocks are on a Pressure Vacuum Breaker Assembly? - correct answer✔✔2
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
, How many test cocks are on an Atmospheric Vacuum Breaker? - correct answer✔✔0
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
True/False: Test Gauges should be properly stored to ensure they are not damaged when ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
not in use. - correct answer✔✔True
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A Backflow Preventer for Beverage Dispensing Equipment protects against carbon dioxide
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
from entering the potable water supply from which type of backflow?
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) Backpressure
||\\//||
b) Backsiphonage
||\\//||
c) Both A & B
||\\//|| ||\\//|| ||\\//|| ||\\//||
d) None of the above - correct answer✔✔c) Both A & B
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A Residential Dual Check Backflow Preventer has:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) Two Independently Acting Checks
||\\//|| ||\\//|| ||\\//|| ||\\//||
b) Two Independently Acting Checks and an Atmospheric Port
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
c) Two Independently Acting Checks with a relief valve
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
d) None of the Above - correct answer✔✔a) Two Independently Acting Checks
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
What is the best form or method backflow prevention?||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) A Double Check Valve Assembly
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
b) A Reduced Pressure Backflow Assembly
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
c) A Reduced Pressure Detector Assembly
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
d) An Air Gap - correct answer✔✔d) An Air Gap
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
A Reduced Pressure Backflow Assembly must be installed:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
a) No lower then 12-inches and no higher than 72-inches
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
