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 to find Density in Air, if density in Vacuum was given by surveyor?

A Deduct 0.0011 from density in Vac.

B Add 0.0011 to density in Vac.

C Use ASTM table 6A.

Question 2

How often COW pipelines should be tested to maximum permissible COW pressure?

A Before every COW operation.

B Annually.

C Every 6 months.

Question 3

Is the ship sailing out of garbage special area, what distance from the nearest land is permitted to discharged comminuted or grounded garbage?

A 3 nm.

B 6 nm.

C 12 nm.

Question 4

Why it’s so important to use only “dry” crude oil (free from water) for COW?

A Because of oil and water can produce electrically charged mist.

B Because of efficiency of COW will be reduced.

C Because of in COW manual is prescribed so.

Question 5

Until what levels of HC gas and Oxygen content the gas feeing should be continued?

A Until O2 show steady reading 20.9 % by Volume and hydrocarbon less than 1 LFL.

B Until O2 show steady reading 20% by Volume and hydrocarbon less than 50 LFL

C Until O2 show steady reading 20.5 % by Volume and hydrocarbon less than 10 LFL

Oil Tanker Operations – Advanced Competence & Safety

Take This Quiz. Download the GYRO app to take this quiz and track your progress.