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Bilge Water Separator

CBT 25 questions

First 5 of 25 questions — with answers

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

  1. Question 1

    A coalescing filter is used in many bilge water separators. But what do we mean by "coalescing"? Select the ONE correct answer:
    • Small droplets join together and unite to form one larger droplet.
    • Oil droplets cannot pass through the fine mesh of a filter.
    • Oil droplets stick to the surface of a carbon filter.
    • Oil droplets are absorbed into the surface of a woven fabric filter.

  2. Question 2

    According to IMO requirements, how accurate must a 15 ppm bilge monitor be? Select the ONE correct answer:
    • A 15 ppm bilge alarm must be accurate to within plus or minus 5 ppm.
    • A 15 ppm bilge alarm must be accurate to within plus or minus 2 ppm.
    • A 15 ppm bilge alarm must be accurate to within plus or minus 1 ppm.
    • A 15 ppm bilge alarm must be 100 % accurate.

  3. Question 3

    According to IMO requirements, how often must the accuracy of a 15 ppm bilge monitor be checked? Select the ONE correct answer:
    • At every IOPP Certificate renewal survey.
    • Every IOPP Certificate annual survey.
    • Every 2 years.
    • Every time the separator is used.

  4. Question 4

    According to IMO requirements, what should happen when using a separate clean water supply to zero the 15 ppm bilge monitor? Select the ONE correct answer:
    • The alarm should sound, and this in turn implies, that the overboard discharge will be stopped.
    • The persons carrying out the operation must monitor the overboard discharge carefully.

  5. Question 5

    According to IMO requirements, who should check and certify the accuracy of a 15 ppm bilge monitor? Select the ONE correct answer:
    • Only the manufacturer or a person appointed by them.
    • The manufacturer or the Chief Engineer.
    • The manufacturer or the Chief Engineer or the Master.
    • The manufacturer or an independent surveyor from a Classification Society.

Preview — 5 of 25 questions

You are seeing the first 5 questions with answers. Unlock the remaining 20 to study the whole test — online or offline.

About this CBT test

Bilge Water Separator is a CBT test with 25 questions and verified answers. Common topics include: bilge water, machinery space, ppm, monitor, separators, imo, separator, requirements.

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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