CHT STUDY GUIDE 2026 QUESTIONS WITH
ANSWERS GRADED A+
◉ Anaerobic. Answer: Decomposition occurring only in the absence of
oxygen.
◉ Marine Sanitation Device. Answer: An installation on board ship
designed to collect and/or treat sewage.
◉ CHT. Answer: Collection, holding and transfer system for sewage and
waste water.
◉ Effluent. Answer: The sewage of sludge that is discharged from the
CHT or MSD.
◉ Influent. Answer: The sewage that enters the CHT tank or MSD.
◉ Contiguous Zone. Answer: Defined in article 24 of the Convention of
the Territorial Sea as extending 12 nm from the baseline from which the
territorial sea is measured.
◉ Restricted Zone. Answer: The navigable waters of the United States,
0-3 nm from shore.
ANSWERS GRADED A+
◉ Anaerobic. Answer: Decomposition occurring only in the absence of
oxygen.
◉ Marine Sanitation Device. Answer: An installation on board ship
designed to collect and/or treat sewage.
◉ CHT. Answer: Collection, holding and transfer system for sewage and
waste water.
◉ Effluent. Answer: The sewage of sludge that is discharged from the
CHT or MSD.
◉ Influent. Answer: The sewage that enters the CHT tank or MSD.
◉ Contiguous Zone. Answer: Defined in article 24 of the Convention of
the Territorial Sea as extending 12 nm from the baseline from which the
territorial sea is measured.
◉ Restricted Zone. Answer: The navigable waters of the United States,
0-3 nm from shore.
