Backflow

All the following are required parts of an atmospheric vacuum breaker (asse1001) except a Air inlet float valve The body Air canopy Shutoff valve - Answer-Shutoff valve A single check valve for a backflow prevention is acceptable For low hazard For non-hazard residential applications On boilers only Never - Answer-Never The following absolute pressure could cause backsiphonage to occur in a hydraulic system (distribution system) at sea level 10.5 psia 15.0 p...

A double check valve assembly is installed 12 above the floor for? - Answer-Maintenance A low hazard Backflow preventer is a? - Answer-Double Check valve assembly A field test report for a double check will include the manufacturer name, model, size and ?? - Answer-Serial number Double check valve assembly components are?? - Answer-Independently acting A double check valve assembly hydraulic use is?? - Answer-Continuous A detector assembly contains a device of equal? - Answer-Prot...

1. Backflow is defined as: a) the pressure in the distribution piping of the potable water supply b) the undesirable reversal of water, other liquids, gases or substances in the distribution pipes of the potable water supply c) high pressure in the pipes of the water user d) excess pressure through a pressure regulator - Answer-b) the undesirable reversal of water, other liquids, gases or substances in the distribution pipes of the potable water supply 2. Primary responsibility for cr...

1. The Safe Drinking Act places the responsibility for safe water upon the: a. Building Official b. Water purveyor c. Water user d. Health Department - Answer-b. Water Purveyor 2. Two things must be present for backflow to occur: a. Link and force b. Direct and indirect c. Pressure and Siphonage d. Backpressure and elevation - Answer-a. link and force A column of water 100 feet in height will produce how much pressure at its base. a. 231 psi b. 33.9 psi c. 43.3 psi d. 2.31 ps...

BACKFLOW PRACTICE EXAM 2024 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: - correct answer C. Public water system or consumer's portable water system 2) An approved airgap (AG) is a physical separation between the free-flowing end of a: - correct answer D. Potable water supply pipe line in the overflow rim of an open or non-pressurized receiving vessel 3) And indirect cross-connecti...

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: - Answer-C. Public water system or consumer's portable water system 2) An approved airgap (AG) is a physical separation between the free-flowing end of a: - Answer-D. Potable water supply pipe line in the overflow rim of an open or non-pressurized receiving vessel 3) And indirect cross-connection is one that is subject to what type of backflo...

Backflow Final Exam Questions and Answers | Latest Updated 2023/2024 (GRADED). An approved airgap (AG) is a physical separation between the free-flowing end of a: D. Potable water supply pipe line in the overflow rim of an open or non-pressurized receiving vessel 3) And indirect cross-connection is one that is subject to what type of backflow? A. Only backsiphonage 4 )Cross-connections with between the portable water piping in any piping or containers containing substances not approved as ...

Double Check Valve Assembly - Answer-A testable mechanical device consisting of two independently operating, spring-loaded check valves, four test cocks, and two full port shut off valves the purpose of an ASSE 1018 trap primer is to - Answer-maintain a trap seal a laboratory faucet vacuum breaker must contain - Answer-two independently acting check valves ASSE 1060 - Answer-outdoor enclosures standard, freeze protective enclosures must provide protection to a remedies of -30 f devic...

Double Check Valve Assembly - A testable mechanical device consisting of two independently operating, spring-loaded check valves, four test cocks, and two full port shut off valves the purpose of an ASSE 1018 trap primer is to - maintain a trap seal a laboratory faucet vacuum breaker must contain - two independently acting check valves ASSE 1060 - outdoor enclosures standard, freeze protective enclosures must provide protection to a remedies of -30 f device - a backflow prevents generally ...

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: - C. Public water system or consumer's portable water system 2) An approved airgap (AG) is a physical separation between the free-flowing end of a: - D. Potable water supply pipe line in the overflow rim of an open or non-pressurized receiving vessel 3) And indirect cross-connection is one that is subject to what type of backflow? - A. Only b...