Oil Tanker Competence

Oil Tanker Operations – Advanced Competence & Safety

This advanced test evaluates the professional knowledge required for senior deck officers serving on oil tankers. It covers MARPOL and ISGOTT requirements, crude oil washing (COW), inert gas and ODME systems, cargo measurement and calculation, static electricity precautions, toxic vapour control, and safe cargo operations. The test is intended to verify management-level competence and decision-making during complex tanker operations.

Питань 18

Час 9 min

Мова Англійська

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Питання 1

As per MARPOL, the contents of lines and pumps on a crude oil tanker on completion of discharging must be:

A Drained and then pumped either ashore, or to a ship cargo or slop tank.

B Drained only to the shore.

C Cleared to shore by use of compressed air.

Питання 2

What is “Apparent density”?

A Weight per unit of volume in air.

B Weight of unit per volume in vacuum.

C Density at 15 deg.C.

Питання 3

Which ASTM tables are generally used for Crude Oils?

A Table 6A, 54A.

B Tables 6B, 54B.

C Tables 5C, 54C.

Питання 4

What precautions should be taken, when planning COW with aromatic crude oil?

A The kinematic viscosity of the oil used for COW should not exceed 60 cSt at the oil washing medium temperature.

B The kinematic viscosity of the oil used for COW should not exceed 50 cSt at the oil washing medium temperature.

C The kinematic viscosity of the oil used for COW should not exceed 100 cSt at the oil washing medium temperature.

Питання 5

What is the Crude Oil Washing?

A A system where the cargo tanks are cleaned with processed crude oil.

B A tank cleaning with chemicals after Crude Oil cargo.

C A tank cleaning with sea water after Crude Oil cargo.

Oil Tanker Operations – Advanced Competence & Safety

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