ORIGINAL BACKFLOW
RECERTIFICATION QUESTIOJS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED
A+
Q: If a backflow incident occurs which contaminates the public water supplier,
the supplier of water shall:
A: ✔✔ report to the Department of Natural Resources within 48 hours
Q: The anniversary date for testing backflow prevention assemblies is:
A: ✔✔ the date established by the supplier of water.
Q: All backflow prevention assemblies acceptable for use in Missouri must be
approved by:
A: ✔✔ the Foundation for Cross Connection Control and Hydraulic Research
(FCCCHR).
Q: Back pressure is any pressure:
A: ✔✔ greater than supply pressure
Q: A Class II hazard premise may include equipment on the water system that:
A: ✔✔ is storing water for fire protection.
Q: The springs on the two (2) check valves of a Reduced Pressure Principle
Backflow Preventer (ASSE 1013) are:
A: ✔✔ not interchangeable.
Q: An unprotected bypass around a backflow prevention assembly or device:
A: ✔✔ is considered to be a cross connection and never permitted.
Q: To exert a pressure of one (1) psi at the base of a column of water, the
column would have to be___in height:
A: ✔✔ 27.75 inches
, Q: Test cock number one (1) of a Double Check Backflow Prevention
Assembly (ASSE1015) is located:
A: ✔✔ upstream of shut off valve number one
Q: Backsiphonage:
A: ✔✔ is a form of backflow
To exert a pressure of one (1) psi at the base of a column of water, the column
would have to be___in height: -ANSWER✔✔27.75 inches
Test cock number one (1) of a Double Check Backflow Prevention Assembly (
Before installing a backflow preventer assembly you should: -ANSWER✔✔flush
the line.
An absolute pressure of twenty five (25) psia (at sea level) is equal to
approximately: -ANSWER✔✔ten (10) psig
Any arrangement of pipes, fittings, fixtures, or devices that connects a non potable
system to a potable water system is called: -ANSWER✔✔Cross-Connection
Point of use backflow prevention is defined as: -ANSWER✔✔isolation.
During a test, valve leakage is indicated when the pressure on both sides of the
valve being tested: -ANSWER✔✔equalizes
Gauge pressure: -ANSWER✔✔pounds per square inch (psi) which are registered
on a gauge
RECERTIFICATION QUESTIOJS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED
A+
Q: If a backflow incident occurs which contaminates the public water supplier,
the supplier of water shall:
A: ✔✔ report to the Department of Natural Resources within 48 hours
Q: The anniversary date for testing backflow prevention assemblies is:
A: ✔✔ the date established by the supplier of water.
Q: All backflow prevention assemblies acceptable for use in Missouri must be
approved by:
A: ✔✔ the Foundation for Cross Connection Control and Hydraulic Research
(FCCCHR).
Q: Back pressure is any pressure:
A: ✔✔ greater than supply pressure
Q: A Class II hazard premise may include equipment on the water system that:
A: ✔✔ is storing water for fire protection.
Q: The springs on the two (2) check valves of a Reduced Pressure Principle
Backflow Preventer (ASSE 1013) are:
A: ✔✔ not interchangeable.
Q: An unprotected bypass around a backflow prevention assembly or device:
A: ✔✔ is considered to be a cross connection and never permitted.
Q: To exert a pressure of one (1) psi at the base of a column of water, the
column would have to be___in height:
A: ✔✔ 27.75 inches
, Q: Test cock number one (1) of a Double Check Backflow Prevention
Assembly (ASSE1015) is located:
A: ✔✔ upstream of shut off valve number one
Q: Backsiphonage:
A: ✔✔ is a form of backflow
To exert a pressure of one (1) psi at the base of a column of water, the column
would have to be___in height: -ANSWER✔✔27.75 inches
Test cock number one (1) of a Double Check Backflow Prevention Assembly (
Before installing a backflow preventer assembly you should: -ANSWER✔✔flush
the line.
An absolute pressure of twenty five (25) psia (at sea level) is equal to
approximately: -ANSWER✔✔ten (10) psig
Any arrangement of pipes, fittings, fixtures, or devices that connects a non potable
system to a potable water system is called: -ANSWER✔✔Cross-Connection
Point of use backflow prevention is defined as: -ANSWER✔✔isolation.
During a test, valve leakage is indicated when the pressure on both sides of the
valve being tested: -ANSWER✔✔equalizes
Gauge pressure: -ANSWER✔✔pounds per square inch (psi) which are registered
on a gauge
