100% CORRECT WELL DETAILED
ANSWERS|LATEST
UPDATE!!!!2025/2026|GUARANTEED
If a backflow incident occurs which contaminates the public water supplier, the supplier of
water shall: - ANSWER report to the Department of Natural Resources within 48 hours
The anniversary date for testing backflow prevention assemblies is: - ANSWER the
date established by the supplier of water.
All backflow prevention assemblies acceptable for use in Missouri must be approved by: -
ANSWER the Foundation for Cross Connection Control and Hydraulic Research
(FCCCHR).
Back pressure is any pressure: - ANSWER greater than supply pressure
A Class II hazard premise may include equipment on the water system that: -
ANSWER is storing water for fire protection.
The springs on the two (2) check valves of a Reduced Pressure Principle Backflow Preventer
(ASSE 1013) are: - ANSWER not interchangeable.
An unprotected bypass around a backflow prevention assembly or device: -
ANSWER is considered to be a cross connection and never permitted.
1
, 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 (ASSE1015) is
located: - ANSWER upstream of shut off valve number one
Backsiphonage: - ANSWER is a form of backflow
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
What is the atmospheric pressure at sea level? - ANSWER 14.7 PSI
The minimum pressure drop across each check valve of a Double Check Backflow Prevention
Assembly (ASSE 1015) in a static condition must be at least: - ANSWER 1.0 psi
2
ANSWERS|LATEST
UPDATE!!!!2025/2026|GUARANTEED
If a backflow incident occurs which contaminates the public water supplier, the supplier of
water shall: - ANSWER report to the Department of Natural Resources within 48 hours
The anniversary date for testing backflow prevention assemblies is: - ANSWER the
date established by the supplier of water.
All backflow prevention assemblies acceptable for use in Missouri must be approved by: -
ANSWER the Foundation for Cross Connection Control and Hydraulic Research
(FCCCHR).
Back pressure is any pressure: - ANSWER greater than supply pressure
A Class II hazard premise may include equipment on the water system that: -
ANSWER is storing water for fire protection.
The springs on the two (2) check valves of a Reduced Pressure Principle Backflow Preventer
(ASSE 1013) are: - ANSWER not interchangeable.
An unprotected bypass around a backflow prevention assembly or device: -
ANSWER is considered to be a cross connection and never permitted.
1
, 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 (ASSE1015) is
located: - ANSWER upstream of shut off valve number one
Backsiphonage: - ANSWER is a form of backflow
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
What is the atmospheric pressure at sea level? - ANSWER 14.7 PSI
The minimum pressure drop across each check valve of a Double Check Backflow Prevention
Assembly (ASSE 1015) in a static condition must be at least: - ANSWER 1.0 psi
2
