ABYC Systems CORRECT QUESTIONS &
ANSWERS|| LATEST UPDATE 2024
E - ANSWER Ball valves may be sealed to through hull fittings with:
A. 5200
B. SikaFlex
C. Teflon
D. All the above
E. None of the above
B - ANSWER Tubes are measured by:
A. ID
B. OD
C. nominal size
C - ANSWER pipes may not be connected by:
A. Welding
B. Threaded fittings
C. Compression fittings
D. Glue
C - ANSWER Tech A says Seacocks must be readily accessible. Tech B say its ok to have them within 12" of
the engine. who is correct?
A. Tech A
, B. Tech B
C. Both
D. neither
D - ANSWER Tech A says that it is all right to connect an auxiliary line to the potable water pump as long
as there is a siphon break. Technician B says you must have a lockable Y valve to prevent cross
contamination. who is right?
A. Tech A
B. Tech B
C. Both
D. Neither
D - ANSWER A bildge pump discharge line must be:
A. equipped with a check valve to prevent back flow and nuisance cycling
B. Equipped with a properly installed seacock
C. No more than 30' long
D. non of the above
D - ANSWER ball valves below the waterline must be:
A. ABYC approved
B. ABYC Certified
C. ABYC endorsed
D. none of the above
D - ANSWER potable water systems must discharge
, A. into a sump
B. Overboard
C. Into the grey water tank
D. any of the above
OD ID - ANSWER Tubes are measured in _________ and hoses are measured in _________
A - ANSWER Which of the following components may need to be by-passed for the purpose of
decommissioning?
A. Tanks, filters and water heaters
B. Strainers, tanks and pumps
C. Fixtures and lines
D. Dockside water connections
B - ANSWER Which of the following agencies must be referenced when selecting materials for use in a
portable water system?
A. DOT
B. FDA
C. USCG
D. UL
B - ANSWER According to ABYC, a biologically contaminated potable- water system should be disinfected
with a mixture of chlorine and have a strength of at least:
A. 1,00ppm
B. 100ppm
C. 10ppm
D. 1 ppm
, B - ANSWER Contamination of the potable-water system with ethylene glycol may be explained by:
A. Excessive pump cycling
B. Leaking heat exchanger on a water heater
C. Nuisance tripping of pump circuit breaker
D. Close proximity of engine to water heater
A - ANSWER With a Type 1 sanitation system, waste is:
A. Treated and discharged
B. Treated and held
C. Stored in a holding tank
D. Discharged without treatment
A - ANSWER A head located below the vessels's dynamic waterline using RAW water for flushing requires
a:
A. Vented loop on its intake
B. Check valve on its intake
C. Strainer on its intake
D. Check valve on its discharge
A - ANSWER The result of an obstructed holding tank even during pump out may be:
A. A collapsed holding tank
B. Raw water flooding
C. An explosion
D. Tank contamination
ANSWERS|| LATEST UPDATE 2024
E - ANSWER Ball valves may be sealed to through hull fittings with:
A. 5200
B. SikaFlex
C. Teflon
D. All the above
E. None of the above
B - ANSWER Tubes are measured by:
A. ID
B. OD
C. nominal size
C - ANSWER pipes may not be connected by:
A. Welding
B. Threaded fittings
C. Compression fittings
D. Glue
C - ANSWER Tech A says Seacocks must be readily accessible. Tech B say its ok to have them within 12" of
the engine. who is correct?
A. Tech A
, B. Tech B
C. Both
D. neither
D - ANSWER Tech A says that it is all right to connect an auxiliary line to the potable water pump as long
as there is a siphon break. Technician B says you must have a lockable Y valve to prevent cross
contamination. who is right?
A. Tech A
B. Tech B
C. Both
D. Neither
D - ANSWER A bildge pump discharge line must be:
A. equipped with a check valve to prevent back flow and nuisance cycling
B. Equipped with a properly installed seacock
C. No more than 30' long
D. non of the above
D - ANSWER ball valves below the waterline must be:
A. ABYC approved
B. ABYC Certified
C. ABYC endorsed
D. none of the above
D - ANSWER potable water systems must discharge
, A. into a sump
B. Overboard
C. Into the grey water tank
D. any of the above
OD ID - ANSWER Tubes are measured in _________ and hoses are measured in _________
A - ANSWER Which of the following components may need to be by-passed for the purpose of
decommissioning?
A. Tanks, filters and water heaters
B. Strainers, tanks and pumps
C. Fixtures and lines
D. Dockside water connections
B - ANSWER Which of the following agencies must be referenced when selecting materials for use in a
portable water system?
A. DOT
B. FDA
C. USCG
D. UL
B - ANSWER According to ABYC, a biologically contaminated potable- water system should be disinfected
with a mixture of chlorine and have a strength of at least:
A. 1,00ppm
B. 100ppm
C. 10ppm
D. 1 ppm
, B - ANSWER Contamination of the potable-water system with ethylene glycol may be explained by:
A. Excessive pump cycling
B. Leaking heat exchanger on a water heater
C. Nuisance tripping of pump circuit breaker
D. Close proximity of engine to water heater
A - ANSWER With a Type 1 sanitation system, waste is:
A. Treated and discharged
B. Treated and held
C. Stored in a holding tank
D. Discharged without treatment
A - ANSWER A head located below the vessels's dynamic waterline using RAW water for flushing requires
a:
A. Vented loop on its intake
B. Check valve on its intake
C. Strainer on its intake
D. Check valve on its discharge
A - ANSWER The result of an obstructed holding tank even during pump out may be:
A. A collapsed holding tank
B. Raw water flooding
C. An explosion
D. Tank contamination
