Support Deck. Test 1

What is the maximum volume percent oxygen we can have on the inert gas for consume on a gas carrier?

For what purpose do we use inert gas onboard gas carriers?

We use inert gas to clean cargo lines after discharging
We use inert gas to purge out cargo vapour and have a neutral atmosphere in cargo tanks and spaces
We use inert gas for tank stripping when discharging
We use inert gas to held pressure in the cargo tanks when we are discharging

What is the maximum oil content in the sludge/ bilge water allowed to be pumped over board during a voyage?

What is the IMO definition of liquefied gases?

Liquefied gases is cargo witch we have to carry onboard colder than
Liquefied gases is chemicals transported under pressure
Liquefied gases is defined as chemicals with vapour pressure above 2,8 bar absolute at 37,8oC
Liquefied gases is cold hydro carbons

In the chemical trade the acceptable means of cargo line segregation in case of two non-compatible products is:

Which oxygen content shall we measure before entering a tank or space after venting?

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