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Sewage Treatment System

CBT 16 questions

First 5 of 16 questions — with answers

The correct answer is marked. Unlock the rest to study the whole test, online or offline.

  1. Question 1

    What are the products from the "Anaerobic" breakdown of sewage?
    • Water, oxygen and an inert residue.
    • Water, carbon monoxide, methane and an inert residue.
    • Water, carbon di-oxide, hydrogen sulphide, methane and an inert residue.
    • Water, carbon di-oxide and an inert residue.

  2. Question 2

    Which of these is defined as "sewage" under MARPOL?
    • Drainage from the dispensary or sick bay.
    • Drainage from the galley sink.
    • Drainage from the dishwasher.
    • Drainage from the laundry.

  3. Question 3

    What are the products from the "Aerobic" breakdown of sewage?
    • Water, hydrogen sulphide and an inert residue.
    • Water, methane and an inert residue.
    • Water, hydrogen sulphide and carbon di-oxide.
    • Water, carbon di-oxide and an inert residue.

  4. Question 4

    Which of these is considered as being "grey water"?
    • Drainage from the dispensary or sick bay.
    • Drainage from the galley sink.
    • Drainage from spaces containing animals.
    • Drainage from urinals.

  5. Question 5

    If there is a smell of "sewage" in toilets or bathrooms of the accommodation, why should this be investigated immediately? Select the ONE best answer.
    • Because it might mean that the accommodation fans are not working properly.
    • Because it might mean that a waste pipe somewhere is blocked.
    • Because it could mean that toxic gasses are being released into the accommodation.
    • Because it might mean that a sewage pipe is leaking.

Preview — 5 of 16 questions

You are seeing the first 5 questions with answers. Unlock the remaining 11 to study the whole test — online or offline.

About this CBT test

Sewage Treatment System is a CBT test with 16 questions and verified answers. Common topics include: marpol annex, miles land, sewage, treatment, fast, discharge, products, breakdown.

You can practise the free questions online — one at a time, with the correct answer — or unlock the whole test and download it to study offline, without internet.

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