Sewage and Wastewater Treatment

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Правильные ответы:
1

Among other things, which of the following may be checked during a Port State Control inspection?

Ваш ответ правильный:

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.
2

The details of the sewage discharge regulations can be found in MARPOL Annex IV.

Ваш ответ правильный:

True.
3

What is the final step in the treatment process?

Ваш ответ правильный:

The disinfection of effluent using chemicals or ultraviolet light in the contact tank.
4

To reduce the risk of fire, cigarette buds should be flushed down the toilet.

Ваш ответ правильный:

False.
5

Which of the following is an indicator that the tank is turning anaerobic?

Ваш ответ правильный:

A foul smell, similar to rotten eggs.
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