ABYC SYSTEMS CERTIFICATION EXAM |GUARANTEED ACCURATE ANSWERS

ABYC SYSTEMS CERTIFICATION
EXAM |GUARANTEED ACCURATE
ANSWERS

Polyethylene - ACCURATE ANSWERS✔✔ What is the most often
used materials for potable water systems?


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 - ACCURATE ANSWERS✔✔ Name 5
materials allowable for contact use in potable water systems:


Siphon Break - ACCURATE ANSWERS✔✔ What device can be used
to separate potable water from other water systems?


Accumulator Tank, after pump/filter and before check-valve -
ACCURATE ANSWERS✔✔ What is the device used to maintain a
stable pressure and minimize pump cycling, and where should it be
located?


175% - ACCURATE ANSWERS✔✔ At what what percentage of
nominal working pressure shall the relief valve be set?

,No, typically these are too high (up to 400% of nominal pressure) -
ACCURATE ANSWERS✔✔ Is a standard household type relief valve
acceptable for hot water tanks?


nominal working pressure, not to exceed 80 PSI - ACCURATE
ANSWERS✔✔ For the pressure reducing valve and check valve
installed after a shore water connection, what is the maximum allowable
pressure?


overboard - ACCURATE ANSWERS✔✔ Where shall the storage tank
be vented?


3 PSI or mnfg's maximum, which ever is greater. - ACCURATE
ANSWERS✔✔ What is the maximum allowable pressure to which the
storage tank and vent system be subjected?


-40 °F to +140 °F - ACCURATE ANSWERS✔✔ What temperate range
is required for pumps to be able to tolerate exposure?


257 F - ACCURATE ANSWERS✔✔ When operating at an ambient
temperature of 140 F, what is the max allowable surface temperature of a
pump?


True - ACCURATE ANSWERS✔✔ Potable water systems must be
equipped with a drain. T or F?

,False - ACCURATE ANSWERS✔✔ Storage tank inlet may also serve
as the tank vent. T or F?


True - ACCURATE ANSWERS✔✔ Storage tank inlet caps must be
retained to prevent loss. T or F?


True - ACCURATE ANSWERS✔✔ Storage tanks must be equipped
with a vent. T or F?


True - ACCURATE ANSWERS✔✔ Storage tank vent may be used for
filling purposes. T or F?


At least 1.5X the pressure exerted by the distance from the tank bottom
to the deck fill plate or vent, but not less than 3 PSI. - ACCURATE
ANSWERS✔✔ What rate of static pressure must a storage tank
withstand?


3 PSI - ACCURATE ANSWERS✔✔ What is the max pressure that a
desalinator can impart to a storage tank?


True - ACCURATE ANSWERS✔✔ Each desalinator must be equipped
with an automatic shutoff salinity detector. T or F?


"For Cold Water Use Only" - ACCURATE ANSWERS✔✔ What
marking must be on pipe or tubes that are not capable of handling hot
water?

, 125 PSI, 300 PSI - ACCURATE ANSWERS✔✔ What is the test
pressure for water heater tank 15 gal or less? over 15 gal but under 120
gal?


175 PSI - ACCURATE ANSWERS✔✔ What is the max pressure relief
valve setting for hot water tanks?


210 F - ACCURATE ANSWERS✔✔ What is the max temperature relief
setting for hot water tanks?


125 F - ACCURATE ANSWERS✔✔ What is the max allowable water
output temperature for hot water system?


True - ACCURATE ANSWERS✔✔ All potable water system
connections shall be positioned above the normal bilge water
accumulation level. T or F?


True - ACCURATE ANSWERS✔✔ Exposed metallic parts of a potable
water system shall have provisions for electrical bonding. T or F?


Improper venting - ACCURATE ANSWERS✔✔ For what reason might
a holding tank collapse during pump-out?