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CD0013. Tank II

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About this collection

The Seagull CBT bank is organised into modules covering safety, shipboard operations, maintenance and other topics. Original module names and codes are retained to help you find the topic you need.

“Seagull CBT — CD0013. Tank II” contains 42 questions across 1 collection.

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Sample questions and answers

These examples come from the published collection. Choose Learning to study questions in sequence, or Exam to check your knowledge.

What was the size limitation when the MARPOL Annex I made COW mandatory for new crude oil tankers?

One correct answer

  • Tankers of 20.000 tons deadweight and above.✓ Correct answer
  • Tankers of 10.000 tons deadweight and above.
  • Tankers of 50.000 tons deadweight and above.
  • Tankers of 70.000 tons deadweight and above.
During discharge and COW operations of a crude oil tanker it is important to monitor the Inert Gas (IG) quality and pressure. What is the procedure if the IG system fails during such operation?

One correct answer

  • Stop the discharge and COW.✓ Correct answer
  • Stop the COW operation and reduce the discharge rate.
  • Continue the operation and rectify the IG failure.
  • Continue the operation as the P/V valves will open if the tanks go into an under-pressure condition.
When the discharge of an oil tanker is completed, who signs the chief officer’s reception documents for cargo discharged?

One correct answer

  • The loading master.✓ Correct answer
  • The independent cargo surveyor.
  • The agent.
  • The port authority.
The IG produced on the crude oil tankers will normally contain some oxygen. What are the requirements for the Oxygen content in the IG during discharge, cow and tank cleaning?

One correct answer

  • 5% in the IG supply and 8% in the tank atmosphere.✓ Correct answer
  • 3% in the IG supply and 5% in the tank atmosphere.
  • 5% in the IG supply and 5% in the tank atmosphere.
  • 8% in the IG supply and 15% in the tank atmosphere.
Once an oil tanker is securely moored alongside the discharge terminal, who is normally the first to board the vessel?

One correct answer

  • Quarantine and customs officers.✓ Correct answer
  • The local agent.
  • The loading Master and terminal representatives.
  • The terminal’s security officer.

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