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.
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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.
Этот тест оценивает знания по работе и обслуживанию систем очистки сточных вод на судне, что важно для соблюдения экологических норм.
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