Backflow Certification TREEO Center, UF exam with correct answers

Backflow Certification TREEO Center, UF ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




exam with correct answers ||\\||\\ ||\\||\\ ||\\||\\




What is the correct height to install an air gap ? - correct
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answers✔✔Two times the nominal diameter of the supply pipe ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




or a minimum of 1 inch .
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What are the components of a RP ? - correct answers✔✔Two
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independently operating check valves , a relief valve assembly , ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




four test cocks and two shut - off valves .
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What are the components of a DCVA ? - correct answers✔✔Two
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independently operating check valves , four test cocks and two
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shut - off valves . ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




What is the definition of backsiphonage ? - correct
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answers✔✔Backflow caused by a drop in supply pressure below ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




atmospheric pressure .
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, The RV drips after closing customer's shut - off valve . Why ? -
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correct answers✔✔CV # 1 leaks ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




What causes the RV to spit ? - correct answers✔✔Line pressure
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fluctuation . ||\\||\\




If there is backpressure on the RP what does the RV do ? -
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correct answers✔✔Nothing unless CV # 2 leaks . ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




If there is a drop in supply pressure what does the RV do ? -
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correct answers✔✔Opens to dump the zone . ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




What holds the Relief valve open ? - correct answers✔✔Relief
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valve spring . ||\\||\\ ||\\||\\




What holds the Relief valve closed ? - correct answers✔✔Supply
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pressure .
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Relief valve does what if outlet shut - off valve leaks ? - correct
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answers✔✔Relief valve tries but may not open when being ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\




tested . ||\\||\\