Тест по управлению балластными водами (CES v5.0)

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Правильные ответы:
1

According to this module, what is the estimated amount of untreated ballast water discharged each year? Select the ONE best answer:

Ваш ответ правильный:

3 000 to 4 000 million tonnes.
2

Does the Ballast Water Management Convention apply to any vessel of any type operating in the aquatic environment, regardless of whether they carry ballast water or not?

Ваш ответ правильный:

No.
3

Does the Ballast Water Management plan need be approved by the flag State administration under IMO regulations?

Ваш ответ правильный:

Yes.
4

For how long must the ballast water record book be kept on board the ship? Select the ONE best answer:

Ваш ответ правильный:

Minimum 2 years from last date of entry.
5

Some ballast water treatment technologies are considered highly toxic, requiring monitoring of by-products in the discharged water. Which of the following does this apply to?

Ваш ответ правильный:

Electrolysis; Ozonation.; Chemical Injection.
6

The BWM convention is divided into 22 articles and an annex. Which sections of the Annex are of particular importance to ships? Select the ONE correct answer:

Ваш ответ правильный:

Sections B and D.
7

What is the estimated number of species transported by ship ballast? Select the ONE best answer:

Ваш ответ правильный:

More than 10 000 species.
8

When did the Ballast Water Management convention enter into force? Select the ONE correct answer:

Ваш ответ правильный:

September 2017.
9

Where must all ballast water operations be recorded? Select the ONE correct answer:

Ваш ответ правильный:

The Ballast water record book.
10

Which ONE of the following best describes the “Flow-through” ballast exchange method? Select the ONE best answer:

Ваш ответ правильный:

Replacement ballast water is pumped into a ballast tank, which is then allowed to overflow.
11

Which ONE of the following options best describes the aims of the Ballast Water Management Convention?

Ваш ответ правильный:

All of the alternatives.
12

Which TWO of the following best describe how invasive species may be carried by ships? Select the TWO best answers:

Ваш ответ правильный:

Anything, that is small enough to pass through ship’s ballast water sea chest, strainers and pumps may be carried in ship’s ballast water.; Invasive species may be attached to the propellers, outside of the hull, sea chest or other parts of the ship.
13

Which ballast water exchange methods can cause extra stresses on the hull? Select the TWO best answers:

Ваш ответ правильный:

Flow through method.; Sequential method.
14

Which one of the following best describes ballast water exchange by the Sequential method?

Ваш ответ правильный:

The ballast tank is first emptied and then refilled with replacement ballast water.
15

Which one of the following best describes ballast water exchange by the Dilution method? Select the ONE best answer:

Ваш ответ правильный:

Replacement ballast water is filled through the top of the ballast tank with simultaneous discharge from the bottom.
16

Why does a ship carry ballast? Select any answers that you think apply:

Ваш ответ правильный:

To ensure, that it has sufficient draft and stability.; So that it has the correct trim.; To ensure, that the propeller is adequately immersed.
17

Why have many of the natural barriers to the spread of species reduced? Select the TWO best answers:

Ваш ответ правильный:

Rapidly increasing world trade.; Larger and faster ship’s completing their voyages in a shorter time.
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