Original Backflow Recertification questions with
accurate answers
"Containment" protection: Ans✓✓✓ Offers no protection to individuals
within a facility
A barometric loop is effective against: Ans✓✓✓ Back siphonage.
A boiler/chiller temperature control system within a customer's premise
makes the customer service: Ans✓✓✓ Class I hazard
A certified backflow prevention assembly tester may order a water
consumer to install an approved backflow prevention assembly:
Ans✓✓✓ Never.
A Class II hazard premise may include equipment on the water system
that: Ans✓✓✓ is storing water for fire protection.
A leaking check valve may be caused by a: Ans✓✓✓ All of the above.
A pressure gauge installed at the bottom of an open tank containing
water 10' deep would indicate a pressure of: Ans✓✓✓ 4.3 psi
A pressure of 75 psi would be equivalent to _______ head of water.
Ans✓✓✓ 172.5 feet
, A Reduced Pressure Principle Backflow Preventer's (ASSE 1013) relief
valve operates from the inlet water presure and the water pressure at the:
Ans✓✓✓ intermediate zone pressure.
A small hole in the underground potable water distribution system may:
Ans✓✓✓ Allow contamination of the system from backsiphonage
backflow
Absolute pressure at sea level is: Ans✓✓✓ Gauge pressure + 14.7 psi
According to Missouri regulation, a hose bib vacuum breaker is:
Ans✓✓✓ not addressed in regulation.
According to the Missouri backflow prevention regulation, all records of
tests performed on backflow prevention assemblies in the state of
Missouri must be kept for a period of five years by: Ans✓✓✓ the
supplier of water.
Adequate clearance must be provided above a backflow prevention
assembly for: Ans✓✓✓ all of the above.
All backflow prevention assemblies acceptable for use in Missouri must
be approved by: Ans✓✓✓ the Foundation for Cross Connection
Control and Hydraulic Research (FCCCHR).
accurate answers
"Containment" protection: Ans✓✓✓ Offers no protection to individuals
within a facility
A barometric loop is effective against: Ans✓✓✓ Back siphonage.
A boiler/chiller temperature control system within a customer's premise
makes the customer service: Ans✓✓✓ Class I hazard
A certified backflow prevention assembly tester may order a water
consumer to install an approved backflow prevention assembly:
Ans✓✓✓ Never.
A Class II hazard premise may include equipment on the water system
that: Ans✓✓✓ is storing water for fire protection.
A leaking check valve may be caused by a: Ans✓✓✓ All of the above.
A pressure gauge installed at the bottom of an open tank containing
water 10' deep would indicate a pressure of: Ans✓✓✓ 4.3 psi
A pressure of 75 psi would be equivalent to _______ head of water.
Ans✓✓✓ 172.5 feet
, A Reduced Pressure Principle Backflow Preventer's (ASSE 1013) relief
valve operates from the inlet water presure and the water pressure at the:
Ans✓✓✓ intermediate zone pressure.
A small hole in the underground potable water distribution system may:
Ans✓✓✓ Allow contamination of the system from backsiphonage
backflow
Absolute pressure at sea level is: Ans✓✓✓ Gauge pressure + 14.7 psi
According to Missouri regulation, a hose bib vacuum breaker is:
Ans✓✓✓ not addressed in regulation.
According to the Missouri backflow prevention regulation, all records of
tests performed on backflow prevention assemblies in the state of
Missouri must be kept for a period of five years by: Ans✓✓✓ the
supplier of water.
Adequate clearance must be provided above a backflow prevention
assembly for: Ans✓✓✓ all of the above.
All backflow prevention assemblies acceptable for use in Missouri must
be approved by: Ans✓✓✓ the Foundation for Cross Connection
Control and Hydraulic Research (FCCCHR).
