What is the main purpose of port reception facilities for sewage?

To allow safe disposal of sewage

What is the effect of eutrophication caused by sewage discharge?

Oxygen depletion and harmful algal blooms

What is the primary purpose of MARPOL Annex IV?

To prevent pollution by sewage from ships

To regulate ballast water management

To control oil discharge from ships

To monitor greenhouse gas emissions

Why is untreated sewage discharge into the sea a major concern?

It introduces harmful bacteria and leads to eutrophication

In which areas is sewage discharge from ships more strictly regulated?

Special Areas such as the Mediterranean Sea and Baltic Sea

Coastal regions of uninhabited islands

A cargo ship with a sewage comminuting and disinfecting system is sailing 4 nautical miles from shore. Can it discharge sewage?

Yes, because it is beyond 3 nautical miles and treated

No, because it must be at least 12 nautical miles away

Yes, but only if the ship is stationary

No, all discharges are prohibited

A cruise ship is operating in the Mediterranean Sea, a Special Area under MARPOL Annex IV. What must it do with its sewage?

Hold sewage in a tank for onshore disposal

Discharge only after chemical treatment

Discharge untreated sewage at night

A small recreational boat does not have a sewage treatment system. How should the crew manage sewage disposal?

Discharge at least 3 nautical miles from shore

Dump sewage into the water when no one is watching

Use a bilge system for disposal

A ship has a malfunctioning sewage treatment plant while at sea. What is the best course of action?

Use holding tanks and discharge at the nearest port facility

Continue normal operations and discharge sewage

Discharge untreated sewage in open waters

Ignore the issue and operate as usual

A vessel is docked at a port with adequate reception facilities. What should it do with its sewage?

Use the port reception facilities for sewage disposal

Discharge into the sea if no one is watching

Hold sewage until reaching international waters

Dispose of it through bilge pumps

Which of the following is a type of sewage treatment plant?

Ballast water management system

What is the purpose of a sewage comminuting and disinfecting system?

To grind and disinfect sewage before discharge

To separate fresh water from sewage

Which of the following statements about sewage treatment plants (STPs) is correct?

They remove harmful bacteria and reduce organic matter

They are only required on ships over 10,000 gross tons

They use chemicals to convert sewage into drinking water

They are not mandatory under MARPOL regulations

Which of the following ships is required to have a sewage treatment system?

A cruise ship with more than 100 passengers

A fishing boat under 200 gross tons

A tugboat operating in inland waters

A warship exempted from MARPOL regulations

What is the role of port reception facilities regarding sewage?

To receive and treat sewage from ships

To provide oil filtration services

A ship is found discharging untreated sewage near a coastal area. What consequences might it face?

Fines, detention, or suspension of operations

No penalties if the ship is in international waters

A verbal warning from authorities

A requirement to purchase a new sewage treatment system

How does MARPOL Annex IV help in maintaining water quality?

By regulating the treatment and discharge of sewage

By allowing ships to discharge sewage at night

By requiring ships to dispose of sewage in deep-sea trenches

By using ballast water treatment systems

What happens if a port does not provide sewage reception facilities?

Ships must hold sewage until another port is available

Ships can discharge untreated sewage near the port

The ship's crew must construct a makeshift disposal system

The port is exempt from MARPOL requirements

A ship operating near a Special Area needs to discharge sewage. What should it do?

Hold sewage until outside the Special Area

Discharge only if the sewage is treated

Discharge normally as long as the ship is moving

Use chemical treatment and discharge immediately

Which ship would be exempt from MARPOL Annex IV regulations?

A cruise ship with 500 passengers

A container ship over 10,000 gross tons

A tanker with a sewage treatment system

What is the function of a ship’s holding tank for sewage?

To store sewage for later discharge

To convert sewage into drinking water

A ship is at anchor waiting for port clearance. What should it do with its sewage?

Use onboard treatment or hold it for disposal

MARPOL Annex IV Quiz

Authored by Sir Khen

Physics

Professional Development

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of an International Sewage Pollution Prevention (ISPP) Certificate?

To certify that a ship meets MARPOL Annex IV requirements

To regulate garbage disposal

To allow ships to discharge untreated sewage

To permit oil discharge at sea

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ship is required to maintain an approved sewage management plan. What does this document outline?

Procedures for sewage treatment and disposal

Methods for oil spill cleanup

Ballast water exchange procedures

Fuel efficiency strategies

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How often must a ship's sewage treatment plant be inspected for compliance?

Annually

Every 5 years

Only upon request from port authorities

Monthly

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one consequence of non-compliance with MARPOL Annex IV?

Increased fuel efficiency

Fines, detention, or revocation of certification

Permission to operate in restricted areas

Exemption from further inspections

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a method to minimize sewage pollution?

Using holding tanks for later disposal

Dumping sewage at night

Discharging untreated sewage in international waters

Ignoring MARPOL regulations

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary factor in determining the permitted sewage discharge method for a vessel?

Distance from shore

Number of crew onboard

Type of cargo carried

Speed of the vessel

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key environmental risk of untreated sewage discharge?

Acidification of the ocean

Introduction of harmful pathogens

Increased fish populations

Reduction of ship fuel consumption

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MARPOL Annex IV Quiz

What is the role of an International Sewage Pollution Prevention (ISPP) Certificate?

A ship is required to maintain an approved sewage management plan. What does this document outline?

How often must a ship's sewage treatment plant be inspected for compliance?

What is one consequence of non-compliance with MARPOL Annex IV?

Which of the following is a method to minimize sewage pollution?

What is the primary factor in determining the permitted sewage discharge method for a vessel?

What is a key environmental risk of untreated sewage discharge?

What is the main purpose of port reception facilities for sewage?

Which ship is most likely to have stricter sewage discharge regulations?

What is the effect of eutrophication caused by sewage discharge?

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