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Backflow prevention assembly tester practice exam 175 questions and answers 2024 Double Check Valve Assembly - ANSW..Does not prevent against contaminant, but does prevent against backsiphonage, backpressure, and pollutants£14.60
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Backflow prevention assembly tester practice exam 175 questions and answers 2024 Double Check Valve Assembly - ANSW..Does not prevent against contaminant, but does prevent against backsiphonage, backpressure, and pollutants
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Module
Backflow prevention assembly
Institution
Backflow Prevention Assembly
Backflow prevention assembly tester practice exam
175 questions and answers 2024
Double Check Valve Assembly - ANSW..Does not prevent against contaminant,
but does prevent against backsiphonage, backpressure, and pollutants
Backflow prevention assembly tester practice exam
175 questions and answers 2024
Double Check Valve Assembly - ✔✔ANSW✔✔..Does not prevent against contaminant,
but does prevent against backsiphonage, backpressure, and pollutants
Proper installation for DC and RP - ✔✔ANSW✔✔..Minimum 12" above grade, maximum
36" above grade, accessibility for testing and repair, and weather/vandalism protection
(if needed) with adequate drainage.
Proper installation for DC and RP - ✔✔ANSW✔✔..Double check valve assemblies and
reduce pressure backflow preventers should be installed vertically, if they have been
specifically approved for vertical orientation.
Pressure Vacuum Breaker (PVB) - ✔✔ANSW✔✔..Does not protect against
backpressure, but will protect against backsiphonage, contaminants, and pollutants.
Atmospheric Vacuum Breaker (AVB) - ✔✔ANSW✔✔..Does not protect against
backpressure, but will protect against backsiphonage, contaminants, and pollutants.
Atmospheric Vacuum Breaker (AVB) - ✔✔ANSW✔✔..Must be 6" above grade and has
intermittent (non-continuous use)
Indirect or direct - ✔✔ANSW✔✔..What kind of Cross connection is it?
Pollutant or contaminant - ✔✔ANSW✔✔..What is the degree of hazard?
Water supply protection - ✔✔ANSW✔✔..The supply line and fittings for every plumbing
fixture shall be protected so as to prevent backflow.
Dual Check valve type backflow preventer - ✔✔ANSW✔✔..Non testable
Barometric Loop - ✔✔ANSW✔✔..Shall proceed the point of connection and shall
extend vertically to a height of 35 feet. This shall only be utilized as an atmospheric-type
or pressure-type vacuum breaker.
Backflow test gages - ✔✔ANSW✔✔..Include three detachable color coded hoses.
High pressure: red
, Low pressure: green or blue
Bypsss/vent: typically black or yellow
Backflow test gages - ✔✔ANSW✔✔..They are tested periodically (minimum of annually)
using pressure differential gages.
Backflow test gages - ✔✔ANSW✔✔..Should be looked at a minimum of annually.
Local administrators will require and annual inspection and a copy of the certification
and paperwork.
Kit supposed to be accurate within + - 0.2 PSID at several different readings.
Air Gap - ✔✔ANSW✔✔..A physical seperation between the free flowing discharge end
of a potable water supply pipeline and the highest flood level of an open or non-
pressure receiving vessel.
Air Gap - ✔✔ANSW✔✔..Requires a minimum vertical air space 2 pipe diameters above
the flood rim.
Salmonellosis - ✔✔ANSW✔✔..A disease caused by pathogenic bacterica (often
associated with chicken), which affects the intestinal tract. The primary symptom is
severe diarrhea.
A valve designed to open in the direction of normal flow and close with the reversal of
flow. - ✔✔ANSW✔✔..Check valve
Overflow level - ✔✔ANSW✔✔..The maximum height that water or liquid will rise in a
receptacle before it flows over the rim.
Backflow - ✔✔ANSW✔✔..A hydraulic condition, caused by a difference in pressures, in
which non-potable water or other fluids flow into a potable water system.
RPBP - ✔✔ANSW✔✔..A shortened name for a reduced pressure backflow preventer
Air Gap - ✔✔ANSW✔✔..In plumbing, the unobstructed vertical distance through the free
atmosphere between the lowest opening from any pipe or outlet supplying water to a
tank, plumbing fixture, or other container, and the overflow rim of that container
potential cross connection - ✔✔ANSW✔✔..Any arrangements of pipes, fittings, or
devices that indirectly connects a potable water supply to a non-potable source
Dysentery - ✔✔ANSW✔✔..A disease (sometime waterborne) caused by pathogenic
microorganisms and characterized by severe diarrhea with passage of mucus and blood
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