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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.

Questions 18
Time Limit 9 min
Language English

Sample Questions

Here are some example questions from this quiz. Download the GYRO app to take the full test.

Question 1

How often is recommended to perform vibration test of Pump Room Fans?

A Annually.
B Bi-annually.
C Monthly.

Question 2

Calculate the “Total Oil Limit”, if previous carrying cargo was quantity was 38 000m3 @15 deg.C?

A 1,27 m3 = 1270 liters.
B 1,27 liters.
C 1,27 tonnes.

Question 3

How to make sure, that only “dry” crude oil will be used for COW?

A Perform de-bottoming of 1m (partially discharge the tank, being used as washing liquid) to remove any water that may have settled out during the voyage.
B Check free water content by interface detector.
C Take a sample of cargo from bottom part of the tank, being used as washing fluid.

Question 4

What is the “ROB” quantity stands for?

A This is the quantity of cargo that remains in the ships tanks after discharge.
B This is the quantity of cargo that remains in the ships tanks before loading.
C This is the quantity of cargo that accumulated during ballast passage.

Question 5

Is water washing of cargo tanks allowed in non-inert atmosphere?

A Yes, only is special precautions (when source of ignition and flammability of tank atmosphere are controlled).
B No, strictly prohibited.
C Yes, it’s routine procedure on board tankers.