ABYC Systems Certification Exam Review 307 Questions with Complete Solutions 2024/2025

ABYC Systems Certification Exam Review 307 Questions with Complete Solutions 2024/2025 What is the most often used materials for potable water systems? - Correct Answer Polyethylene Name 5 materials allowable for contact use in potable water systems: - Correct Answer 1. Copper Alloys (incl. bronze, brass and nickel-copper) 2. AISI Type 300 series stainless steel 3. Glass-lined metal 4. FDA approved plastic 5. FDA approved rubber What device can be used to separate potable water from other water systems? - Correct Answer Siphon Break What is the device used to maintain a stable pressure and minimize pump cycling, and where should it be located? - Correct Answer Accumulator Tank, after pump/filter and before check-valve At what what percentage of nominal working pressure shall the relief valve be set? - Correct Answer 175% Is a standard household type relief valve acceptable for hot water tanks? - Correct Answer No, typically these are too high (up to 400% of nominal pressure) For the pressure reducing valve and check valve installed after a shore water connection, what is the maximum allowable pressure? - Correct Answer nominal working pressure, not to exceed 80 PSI Where shall the storage tank be vented? - Correct Answer overboard What is the maximum allowable pressure to which the storage tank and vent system be subjected? - Correct Answer 3 PSI or mnfg's maximum, which ever is greater.