Sewage Treatment and MARPOL Regulations

Sewage Treatment and MARPOL Regulations

Professional Development

20 Qs

quiz-placeholder

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Sewage Treatment and MARPOL Regulations

Sewage Treatment and MARPOL Regulations

Assessment

Quiz

Education

Professional Development

Easy

Created by

Trojan Dino Malundo

Used 1+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason untreated sewage is prohibited from being discharged into the sea?

Sewage contains harmful bacteria that consume oxygen from the water, affecting marine life

Sewage contributes to marine biodiversity that consume oxygen from the water, affecting marine life

Sewage enhances water circulation that consume oxygen from the water, affecting marine life

Sewage prevents algal blooms that consume oxygen from the water, affecting marine life

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of a Sewage Treatment Plant (STP) on a ship according to MARPOL Annex IV?

To filter air from sewage & discharge into the sea

To store sewage for later discharge

To treat sewage for safe discharge into the sea

To collect sewage for recycling & discharge into the sea

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the biofilter in an STP contribute to sewage treatment?

By removing suspended solids from sewage through aerobic microorganisms

By diffusing air bubbles to break down organic matter through aerobic microorganisms

By filtering out chemical pollutants through aerobic microorganisms

By chemically disinfecting sewage before discharge

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the consequence of discharging untreated sewage in proximity to coastal waters as per MARPOL Annex IV?

It promotes the natural growth of marine organisms

It depletes oxygen levels, causing harm to marine ecosystems

It helps in maintaining the natural nutrient balance

It enhances fish production by giving them unlimited supply of food source

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which sewage waste component is classified as "blackwater" according to MARPOL Annex IV?

Wastewater from laundry drains

Drainage from toilets and urinals

Condensate from air conditioning systems

Waste from galley washbasins

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the chlorinator in a sewage treatment system?

To filter out large solids from sewage

To aerate the sewage for microorganism activity

To disinfect the treated sewage before discharge

To separate solid waste from water

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the settling/sedimentation chamber in a ship's sewage treatment plant?

To disinfect sewage using chemicals

To separate treated water from sludge

To filter out solid particles from untreated sewage

To reduce Chemical Oxygen Demand (COD)

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