Backflow caused by a pressure downstream of the backflow preventer that exceeds the supply pressure is called:
Asse 5110 Hydraulics
Question · Easy
Which assembly provides the highest level of mechanical backflow protection and is approved for health hazards under backpressure?
Asse 5110 Assembly Operation
Kind of connection that is an actual or potential link between a public water supply and a source of contamination or pollution.
Terminology
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Introduction & Exam Overview
1.1 About ASSE 5110 and the Series 5000 Program
Study guide
An RP assembly contains how many independently acting check valves?
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Game
Which device standard covers the reduced pressure principle backflow prevention assembly?
Asse 5110 Codes Standards
Degree of ___: rating that sorts a cross-connection as a pollutant (non-health) or contaminant (health) concern and guides the choice of backflow preventer.
Which device standard covers the double check valve assembly?
Which device standard covers the pressure vacuum breaker assembly?
Air ___: separation between a supply pipe's free-flowing end and the overflow rim of the vessel it fills, generally at least twice the pipe diameter and never under one inch.
1.2 Eligibility, 40-Hour Course, Written & Practical Format
Which device standard covers the spill-resistant vacuum breaker?
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Term Match
What is the minimum number of shutoff valves required on a testable backflow prevention assembly?
Pressure ___ representing the height of a water column, equal to 0.433 psi per foot of depth.
Basic hydraulics
An RP assembly has how many test cocks?
Which of the following is approved for backsiphonage only and cannot be installed under continuous pressure?
Pressure unit on which ambient sea-level conditions read zero, while total pressure is 14.7 higher.
1.3 Validity, Recertification, and Retake Rules
The primary reference manual for field test procedures used by most ASSE-approved schools is:
Flip two cards at a time to find matching terms.
Term Pairs
Which federal law gives the EPA authority to set national primary drinking water standards including cross-connection control requirements?
Pressure unit on which a complete absence of pressure is zero and sea-level ambient conditions read 14.7.
Which AWWA manual covers recommended practice for backflow prevention and cross-connection control?
The differential pressure gauge used by an ASSE 5110 Tester should be calibrated at least:
Asse 5110 Test Equipment
Non-testable device with a float and disc that opens downstream piping to the air when supply stops; it must sit at least 6 inches above the final outlet.
Devices and methods
Hydraulics Fundamentals
2.1 Pressure, Head, and Atmospheric Reference
Which assembly is acceptable for installation on a lawn irrigation system with chemical injection?
Asse 5110 Cross Connection Recognition
Find five hidden terms in a grid of letters.
Term Search
An RP assembly must be installed with:
Asse 5110 Installation
Standard testable device, not the spill-minimizing variant, with a spring-loaded air inlet, an added check and test cocks; it may stay under constant supply and must sit at least 6 to 12 inches above the outlet.
A PVB assembly must be installed at least how far above the highest downstream outlet?
Before performing any field test, the tester should first:
Asse 5110 Field Test Procedures
Modification of a standard testable air-inlet device, designed to reduce water loss and recommended for indoor use.
2.2 Static vs Flowing Conditions for Testers
Which of the following is required on an RP test report?
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Cross-connection control protection at the water service connection to a facility is called:
Testable unit containing two spring-loaded closures in one body, with test cocks and no bypass meter, used for low- to medium-hazard installations.
Which of the following is generally classified as a health hazard requiring RP protection?
The ASSE 5110 standard requires a minimum training course length of:
Unit with two spring-loaded closures and a relief valve, keeping the middle chamber at least 2 psi below the inlet and discharging to the air; it lacks the bypass water meter of the detector version.
2.3 PSID and How Differentials Are Measured
ASSE 5110 certification must be renewed every:
A check valve in a testable backflow assembly is considered closed tight when it holds at least:
Instrument with a 0 to 15 psi range and a 500 psi working pressure that comes with hoses and fittings.
Test equipment
The relief valve on an RP assembly opens when:
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