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TCEQ IRRIGATION LICENSE STUDY GUIDE QUESTIONS AND ANSWERS.
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TCEQ IRRIGATION LICENSE STUDY GUIDE QUESTIONS AND ANSWERS.
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TCEQ IRRIGATION LICENSE STUDY GUIDEQUESTIONS AND ANSWERS
BPA requirements for fertilizer injection system - (correct answer) -Reduced Pressure Principle
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Assembly (RPPA) (RPZ) is required when fertilizer injection are being used.
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Causes backsiphonage? - (correct answer) -Caused by a negative or Sub-atmospheric pressure.
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Example-City departments are using fire hydrant or there's a city main line break, or someone sucking
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liquid from a glass using a straw.
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Causes of leaking check valve - (correct answer) -Debris-can enter the valve. (Can use Y strainer to
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provide a solution.)
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Definition of high-hazard system? - (correct answer) -Non-potable water, chemicals, fertilizers
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Definition of cross-connection? - (correct answer) -Any actual or potential connection between a
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potable water supply and any source of contamination or pollution.
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Degree of hazard - (correct answer) -A measure of the degree of risk or harm to the public's health.
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General installation requirements of BPA - (correct answer) -Device must check/pass Back-siphonage,
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Back-pressure, constant pressure, non-health hazard, health hazard.
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Installation requirements of AVB - (correct answer) --Installed 6" above the highest head or outlet in the
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system.
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-No Valves
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-Downstream.
-Installed vertically. yi
Installation and inspection requirements for public water system to BPA - (correct answer) -
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installation requirements of PVB - (correct answer) -12" above the highest sprinkler head
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Vertically installed yi
Installation requirments of RPZ - (correct answer) -12" above ground
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Installation requirements of DCV - (correct answer) -Horizontal or Vertical above or below ground.
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Limits of Double check valve - (correct answer) -Is a high hazard/health hazard *
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Limits of AVB - (correct answer) -Can not handle more than 12 hours of constant pressure, not
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approved by the state of Texas, does not protect against back-pressure.
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purpose of test cocks on DCV - (correct answer) -to test check valves and flush
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purpose of shut off-valves on PVB - (correct answer) -To test and winterize
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Required back flow prevention system for booster pump - (correct answer) -RPZ to prevent constant
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back flow
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