Тест по свойствам перевозимых грузов (CES v5.0)

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1

A liquid at different temperatures is made to flow through identical orifice passages. The one with the easiest flow will have liquid at:

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The highest temperature.
2

During a cargo voyage, the inert gas pressure in the tank will decrease as a result of:

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Inert gas being absorbed by the liquid (diffusion).
3

Hydrocarbons belongs to a chemical group named:

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Organic Substances.
4

Light products are more volatile than heavier products. This means, that light products:

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Have lower viscosity.
5

On a fully refrigerated ship, gas would be transported:

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Close to its atmospheric boiling point.
6

The O2 meter shows an oxygen level of 18,3 % in a tank, that you are to inspect. This means, that:

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You cannot enter the tank, because the body requires air with the content of 21 % oxygen for normal breathing.
7

The flammable range in air of ethylene is 3 % – 32 %. This means, that:

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Ethylene vapour is proportion 3 % – 32 % to air, is flammable.
8

The gases present in crude oil are termed:

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Natural Gas Liquids (NGL).
9

The molecular structure below is named:

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Benzene.
10

Threshold Limit Value is:

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A measure of the toxicity level in the atmosphere.
11

What information should always be to find on the datasheet of a substance?

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Information regarding safe handling of the product.