Marine Environmental Quiz

What is a significant requirement for a ship carrying Category X substances?

• The need for a full tank rinse every week

• Using special no-discharge storage systems

• Required use of additional flotation devices

• The need for thorough prewash procedures

Which is a primary reason for using reception facilities at ports?

• To allow disposal of hazardous cargo

• To support customs and crew checks

• To document shipboard waste storage

• To offload and process regulated waste

Which regulation focuses on controlling nitrogen oxides (NOₓ) from marine diesel engines?

• Regulation 18

• Regulation 12

• Regulation 13

• Regulation 15

Under which condition is discharge of harmful substances allowed?

• When weather conditions are calm

• During standard cleaning routines

• When crew authorizes disposal

• In cases of rescue operations

How does the D-1 standard indirectly reduce invasive species transfer?

• It requires ships to record invasive species present onboard

• It restricts ballast operations to high-salinity environments

• It prohibits ballast water use in coastal shipping zones

• It dilutes species density during mid-ocean water replacement

Which invasive species is native to Asia and affects ecosystems in New Zealand?

• Lionfish

• European green crab

• Zebra mussel

• Asian kelp

What does the term “eutrophication” imply in the context of sewage discharge?

• Excessive nutrients lead to algal growth

• Salt levels rise in seawater

• Oxygen levels become more stable

• Water becomes too acidic

Under MARPOL Annex V, what is the distance requirement for discharging untreated food waste outside Special Areas?

• Only when beyond 12 nautical miles

• At least 3 nautical miles offshore

• At least 6 nautical miles from land

• Anywhere outside Special Areas

What emissions reduction method is encouraged in ECAs?

• Operational route adjustments

• Use of solid fuel alternatives

• Higher engine maintenance standards

• Use of low-sulfur fuels

What is a limitation of ballast water exchange?

• It cannot be performed in shallow waters.

• It is only effective for ships under 400 GT.

• It fails to remove organisms in sediments completely.

• It requires the use of chemical treatments.