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Mintra Test Online about Sewage and Wastewater Treatment

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Welcome to the website where you can pass online the Mintra test on the subject «Sewage and Wastewater Treatment». Practice like this will help you as a marine specialist improve your knowledge with the help of online studying and appraisal practice. Mintra based on practical information and marine specialists experience.

The Mintra Test Online about Sewage and Wastewater Treatment covers the principles of shipboard sewage treatment, environmental regulations under MARPOL Annex IV, and the safe operation and maintenance of sewage treatment systems. It also assesses knowledge of Port State Control inspections, discharge requirements, treatment processes, and identifying operational problems such as anaerobic conditions.

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Amount of questions: 5.

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Among other things, which of the following may be checked during a Port State Control inspection?
That all crew members know the international and local regulations.
The chlorine content in the effluent.
The sewage treatment plant is being operated correctly by the ship's crew.
The validity of the International Sewage Pollution Prevention Certificate.
The humidity of the tank.
The value of the treatment plant.
The details of the sewage discharge regulations can be found in MARPOL Annex IV.
True.
False.
What is the final step in the treatment process?
The disinfection of effluent using chemicals or ultraviolet light in the contact tank.
The separation of solids from liquid waste using a screen or grinder in the primary tank.
The breaking down of organic matter by microorganisms in the treatment tank.
To reduce the risk of fire, cigarette buds should be flushed down the toilet.
False.
True.
Which of the following is an indicator that the tank is turning anaerobic?
A foul smell, similar to rotten eggs.
The formation of rust.
A distinctive colour change.

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Verified by
Vladimir Filatov
Vladimir Filatov
Chief Officer
About

Senior Mate with 12+ years of experience in the international merchant marine.

  • Development and implementation of navigation and on-board safety plans.
  • Supervising the work of the crew and assisting the captain in managing the vessel.
  • Participation in training of junior crew, ensuring compliance with safety standards.

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Personal data is not disclosed for security and contract confidentiality purposes.

July, 06, 2026 12 0
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