ABYC Systems Certification Exam Review
Study online at https://quizlet.com/_573qzv
1. Polyethylene What is the most often used materials for potable water
systems?
2. 1. Copper Alloys (incl. bronze, Name 5 materials allowable for contact use in potable water
brass and nickel-copper) systems:
2. AISI Type 300 series stainless
steel
3. Glass-lined metal
4. FDA approved plastic
5. FDA approved rubber
3. Siphon Break What device can be used to separate potable water from
other water systems?
4. Accumulator Tank, after What is the device used to maintain a stable pressure and
pump/filter and before minimize pump cycling, and where should it be located?
check-valve
5. 175% At what what percentage of nominal working pressure shall
the relief valve be set?
6. No, typically these are too high Is a standard household type relief valve acceptable for hot
(up to 400% of nominal pres- water tanks?
sure)
7. nominal working pressure, not For the pressure reducing valve and check valve installed af-
to exceed 80 PSI ter a shore water connection, what is the maximum allowable
pressure?
8. overboard Where shall the storage tank be vented?
9. 3 PSI or mnfg's maximum, What is the maximum allowable pressure to which the stor-
which ever is greater. age tank and vent system be subjected?
, ABYC Systems Certification Exam Review
Study online at https://quizlet.com/_573qzv
10. -40 °F to +140 °F What temperate range is required for pumps to be able to
tolerate exposure?
11. 257 F When operating at an ambient temperature of 140 F, what is
the max allowable surface temperature of a pump?
12. True Potable water systems must be equipped with a drain. T or
F?
13. False Storage tank inlet may also serve as the tank vent. T or F?
14. True Storage tank inlet caps must be retained to prevent loss. T or
F?
15. True Storage tanks must be equipped with a vent. T or F?
16. True Storage tank vent may be used for filling purposes. T or F?
17. At least 1.5X the pressure ex- What rate of static pressure must a storage tank withstand?
erted by the distance from the
tank bottom to the deck fill
plate or vent, but not less than
3 PSI.
18. 3 PSI What is the max pressure that a desalinator can impart to a
storage tank?
19. True Each desalinator must be equipped with an automatic shut-
off salinity detector. T or F?
20. "For Cold Water Use Only" What marking must be on pipe or tubes that are not capable
of handling hot water?
21. 125 PSI, 300 PSI
, ABYC Systems Certification Exam Review
Study online at https://quizlet.com/_573qzv
What is the test pressure for water heater tank 15 gal or less?
over 15 gal but under 120 gal?
22. 175 PSI What is the max pressure relief valve setting for hot water
tanks?
23. 210 F What is the max temperature relief setting for hot water
tanks?
24. 125 F What is the max allowable water output temperature for hot
water system?
25. True All potable water system connections shall be positioned
above the normal bilge water accumulation level. T or F?
26. True Exposed metallic parts of a potable water system shall have
provisions for electrical bonding. T or F?
27. Improper venting For what reason might a holding tank collapse during
pump-out?
28. Type I What type of MSD (Marine Sanitation Device) discharges
effluent with fecal coliform bacteria count <= 1,000 (per 100
ml) and no suspended solids?
29. Type II What type of MSD (Marine Sanitation Device) discharges
effluent with fecal coliform bacteria count <= 200 (per 100
ml) and <= 150 mg suspended solids per liter?
30. Type III What type of MSD (Marine Sanitation Device) is designed to
hold sewage or any waste derived from sewage?
31. Retention System
, ABYC Systems Certification Exam Review
Study online at https://quizlet.com/_573qzv
What is the name given to the complete system including
toilets, hoses, pipes, holding tanks and fittings designed to
receive, retain, vent and pump out sewage?
32. Treatment System What is the name of the system that includes all sanitation
equipment and fittings designed to receive, treat, vent and
discharge sewage?
33. Siphon break What is another name for a vented loop that prevents back si-
phoning by breaking suction yet allowing normal flow when
pressurized?
34. 5 When calculating holding tank size, how many flushes per
day are included in the calculation?
35. 0.14 gallons What volume of human waste is used per flush when calcu-
lating holding tank size?
36. True True or False: If a portable toilet is secured and fitted with a
deck pump-out fitting and vent it qualifies as a type III device.
37. Prevention of siphoning Why must careful consideration be given to the location and
routing of inlet and discharge lines for manual flush toilets
when the "shut-off" merely bleeds air into the inlet line?
38. Whenever components are in- When and why must siphon breaks be installed in a sewage
stalled below the max heeled system?
water line - to prevent back flow
into the vessel or unintentional
siphoning of untreated effluent
overboard.
39. True A seacock may be installed instead of a siphon break to
prevent discharge and back siphoning. T or F?
Study online at https://quizlet.com/_573qzv
1. Polyethylene What is the most often used materials for potable water
systems?
2. 1. Copper Alloys (incl. bronze, Name 5 materials allowable for contact use in potable water
brass and nickel-copper) systems:
2. AISI Type 300 series stainless
steel
3. Glass-lined metal
4. FDA approved plastic
5. FDA approved rubber
3. Siphon Break What device can be used to separate potable water from
other water systems?
4. Accumulator Tank, after What is the device used to maintain a stable pressure and
pump/filter and before minimize pump cycling, and where should it be located?
check-valve
5. 175% At what what percentage of nominal working pressure shall
the relief valve be set?
6. No, typically these are too high Is a standard household type relief valve acceptable for hot
(up to 400% of nominal pres- water tanks?
sure)
7. nominal working pressure, not For the pressure reducing valve and check valve installed af-
to exceed 80 PSI ter a shore water connection, what is the maximum allowable
pressure?
8. overboard Where shall the storage tank be vented?
9. 3 PSI or mnfg's maximum, What is the maximum allowable pressure to which the stor-
which ever is greater. age tank and vent system be subjected?
, ABYC Systems Certification Exam Review
Study online at https://quizlet.com/_573qzv
10. -40 °F to +140 °F What temperate range is required for pumps to be able to
tolerate exposure?
11. 257 F When operating at an ambient temperature of 140 F, what is
the max allowable surface temperature of a pump?
12. True Potable water systems must be equipped with a drain. T or
F?
13. False Storage tank inlet may also serve as the tank vent. T or F?
14. True Storage tank inlet caps must be retained to prevent loss. T or
F?
15. True Storage tanks must be equipped with a vent. T or F?
16. True Storage tank vent may be used for filling purposes. T or F?
17. At least 1.5X the pressure ex- What rate of static pressure must a storage tank withstand?
erted by the distance from the
tank bottom to the deck fill
plate or vent, but not less than
3 PSI.
18. 3 PSI What is the max pressure that a desalinator can impart to a
storage tank?
19. True Each desalinator must be equipped with an automatic shut-
off salinity detector. T or F?
20. "For Cold Water Use Only" What marking must be on pipe or tubes that are not capable
of handling hot water?
21. 125 PSI, 300 PSI
, ABYC Systems Certification Exam Review
Study online at https://quizlet.com/_573qzv
What is the test pressure for water heater tank 15 gal or less?
over 15 gal but under 120 gal?
22. 175 PSI What is the max pressure relief valve setting for hot water
tanks?
23. 210 F What is the max temperature relief setting for hot water
tanks?
24. 125 F What is the max allowable water output temperature for hot
water system?
25. True All potable water system connections shall be positioned
above the normal bilge water accumulation level. T or F?
26. True Exposed metallic parts of a potable water system shall have
provisions for electrical bonding. T or F?
27. Improper venting For what reason might a holding tank collapse during
pump-out?
28. Type I What type of MSD (Marine Sanitation Device) discharges
effluent with fecal coliform bacteria count <= 1,000 (per 100
ml) and no suspended solids?
29. Type II What type of MSD (Marine Sanitation Device) discharges
effluent with fecal coliform bacteria count <= 200 (per 100
ml) and <= 150 mg suspended solids per liter?
30. Type III What type of MSD (Marine Sanitation Device) is designed to
hold sewage or any waste derived from sewage?
31. Retention System
, ABYC Systems Certification Exam Review
Study online at https://quizlet.com/_573qzv
What is the name given to the complete system including
toilets, hoses, pipes, holding tanks and fittings designed to
receive, retain, vent and pump out sewage?
32. Treatment System What is the name of the system that includes all sanitation
equipment and fittings designed to receive, treat, vent and
discharge sewage?
33. Siphon break What is another name for a vented loop that prevents back si-
phoning by breaking suction yet allowing normal flow when
pressurized?
34. 5 When calculating holding tank size, how many flushes per
day are included in the calculation?
35. 0.14 gallons What volume of human waste is used per flush when calcu-
lating holding tank size?
36. True True or False: If a portable toilet is secured and fitted with a
deck pump-out fitting and vent it qualifies as a type III device.
37. Prevention of siphoning Why must careful consideration be given to the location and
routing of inlet and discharge lines for manual flush toilets
when the "shut-off" merely bleeds air into the inlet line?
38. Whenever components are in- When and why must siphon breaks be installed in a sewage
stalled below the max heeled system?
water line - to prevent back flow
into the vessel or unintentional
siphoning of untreated effluent
overboard.
39. True A seacock may be installed instead of a siphon break to
prevent discharge and back siphoning. T or F?
