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EXAM REVIEW
NCCCO Examination
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Ihuman Case Study
LETRS
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Texas Irrigation Technician Exam Questions And Answers (Verified Answers)
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Question Number 70
If major maintenance has to be performed, which backflow device has to be properly installed prior to the repair work being performed? a). An approved backflow device b). PVB c). DCA or PVB d). RP e). B & C
a). An approved backflow device
✔ Correct Answer:
a). An approved backflow device
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