ABYC SYSTEMS
CERTIFICATION EXAM
REVIEW COMPREHENSIVE
QUESTIONS (FREQUENTLY
TESTED) WITH VERIFIED
ANSWERS GRADED A+
[Document subtitle]
[DATE]
[COMPANY NAME]
[Company address]
, Contact for further consultation
1. What is the most often used materials for potable water systems?
Answer: Polyethylene
2. Name 5 materials allowable for contact use in potable water systems
Answer: 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
3. What device can be used to separate potable water from other
water sys- tems? Answer: Siphon Break
4. What is the device used to maintain a stable pressure and
minimize pump cy- cling, and where should it be located? Answer: Accumulator
Tank, after pump/filter and before check-valve
5. At what what percentage of nominal working pressure shall the
relief valve be set? Answer: 175%
6. Is a standard household type relief valve acceptable for hot water
tanks? Answer: No, typically these are too high (up to 400% of nominal pressure)
, Contact for further consultation
7. For the pressure reducing valve and check valve installed after a
shore water connection, what is the maximum allowable pressure? Answer:
nominal working pressure, not to exceed 80 PSI
8. Where shall the storage tank be vented? Answer: overboard
9. What is the maximum allowable pressure to which the storage
tank and vent system be subjected? Answer: 3 PSI or mnfg's maximum, which ever is
greater.
10. What temperate range is required for pumps to be able to
tolerate expo- sure? Answer: -40 °F to +140 °F
11. When operating at an ambient temperature of 140 F, what is
the max allow- able surface temperature of a pump? Answer: 257 F
12. Potable water systems must be equipped with a drain. T or F?
Answer: True
13. Storage tank inlet may also serve as the tank vent. T or F?
Answer: False
14. Storage tank inlet caps must be retained to prevent loss. T or
F? Answer: True
15. Storage tanks must be equipped with a vent. T or F? Answer:
, Contact for further consultation
True
16. Storage tank vent may be used for filling purposes. T or F?
Answer: True
CERTIFICATION EXAM
REVIEW COMPREHENSIVE
QUESTIONS (FREQUENTLY
TESTED) WITH VERIFIED
ANSWERS GRADED A+
[Document subtitle]
[DATE]
[COMPANY NAME]
[Company address]
, Contact for further consultation
1. What is the most often used materials for potable water systems?
Answer: Polyethylene
2. Name 5 materials allowable for contact use in potable water systems
Answer: 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
3. What device can be used to separate potable water from other
water sys- tems? Answer: Siphon Break
4. What is the device used to maintain a stable pressure and
minimize pump cy- cling, and where should it be located? Answer: Accumulator
Tank, after pump/filter and before check-valve
5. At what what percentage of nominal working pressure shall the
relief valve be set? Answer: 175%
6. Is a standard household type relief valve acceptable for hot water
tanks? Answer: No, typically these are too high (up to 400% of nominal pressure)
, Contact for further consultation
7. For the pressure reducing valve and check valve installed after a
shore water connection, what is the maximum allowable pressure? Answer:
nominal working pressure, not to exceed 80 PSI
8. Where shall the storage tank be vented? Answer: overboard
9. What is the maximum allowable pressure to which the storage
tank and vent system be subjected? Answer: 3 PSI or mnfg's maximum, which ever is
greater.
10. What temperate range is required for pumps to be able to
tolerate expo- sure? Answer: -40 °F to +140 °F
11. When operating at an ambient temperature of 140 F, what is
the max allow- able surface temperature of a pump? Answer: 257 F
12. Potable water systems must be equipped with a drain. T or F?
Answer: True
13. Storage tank inlet may also serve as the tank vent. T or F?
Answer: False
14. Storage tank inlet caps must be retained to prevent loss. T or
F? Answer: True
15. Storage tanks must be equipped with a vent. T or F? Answer:
, Contact for further consultation
True
16. Storage tank vent may be used for filling purposes. T or F?
Answer: True
