.
Site categories
1/ Help
:

Questions and answers to Crew Evaluation System Test about Liquid Cargo Properties

This page contains answers to Seagull CES test about Liquid Cargo Properties, and serve as a database of questions and answers, using which seafarer can prepare to exams for getting certificate of competence, or just to challenge yourself with knowledge in this theme.



Liquid Cargo Properties – test

Try online

Use the search below to find question.

Amount of questions: 11.

Right answers marked with this sign .

A liquid at different temperatures is made to flow through identical orifice passages. The one with the easiest flow will have liquid at:
The lowest temperature.
The highest temperature.
The average temperature.
During a cargo voyage, the inert gas pressure in the tank will decrease as a result of:
Increasing viscosity level during the voyage.
Leaks, which always are present due to the pipeline system, gauges etc.
Inert gas being absorbed by the liquid (diffusion).
Hydrocarbons belongs to a chemical group named:
Carbohydrates.
Alkanes.
Organic Substances.
Light products are more volatile than heavier products. This means, that light products:
Have higher viscosity.
Have higher flash point.
Have lower viscosity.
On a fully refrigerated ship, gas would be transported:
In insulated pressure tanks to keep the gas cold.
In high viscosity tank domes.
Close to its atmospheric boiling point.
The O2 meter shows an oxygen level of 18,3 % in a tank, that you are to inspect. This means, that:
You cannot enter the tank, because the body requires air with the content of 21 % oxygen for normal breathing.
You can enter the tank safely, because the body only requires air with the content of 17,8 % oxygen.
You cannot enter the tank, because the body requires air with the content of 22,8 % oxygen for normal breathing.
The flammable range in air of ethylene is 3 % – 32 %. This means, that:
Ethylene vapour is flammable when there is 3 % – 32 % oxygen present in the mixture.
Ethylene vapour is proportion 3 % – 32 % to air, is flammable.
Ethylene vapour is flammable when there is 3 % – 32 % air present in the mixture.
The gases present in crude oil are termed:
Natural Gas Liquids (NGL).
Liquefied Petroleum Gas (LPG).
Inert Gas.
The molecular structure below is named:

Molecular structure

Cyclohexane.
Benzene.
Carbohydrate.
Threshold Limit Value is:
A measure of the weight of a substance (kg/dm3).
A measure of the toxicity level in the atmosphere.
The maximal partial pressure (%).
What information should always be to find on the datasheet of a substance?
The price and quality of the product.
Information regarding safe handling of the product.
Production date and level of flammability.



Liquid Cargo Properties – test

Try online

Did you find mistake? Highlight and press CTRL+Enter

Март, 29, 2022 466 0
Добавить комментарий

Favorite articles
Loading

Here will store all articles, what you marked as "Favorite". Articles store in cookies, so don't remove it.

Article added to "Favorite list"! Reload...
Вставить формулу как
Блок
Строка
Дополнительные настройки
Цвет формулы
Цвет текста
#333333
Используйте LaTeX для набора формулы
Предпросмотр
\({}\)
Формула не набрана
Вставить