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Introduction to Inert Gas Systems

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About this collection

MINTRA CET includes short topic-based sets such as incident investigation, accommodation safety, anchoring operations and firefighting. Study an individual module, then review your mistakes in your account.

“MINTRA CET — Introduction to Inert Gas Systems” contains 5 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.

Even with no cargo onboard, flammable vapours may still be present within a vessel’s storage tanks.

One correct answer

  • True.✓ Correct answer
  • False.
The inert gas system will be used during which of the following operations?

Multiple correct answers

  • Tank cleaning.✓ Correct answer
  • Cargo loading.✓ Correct answer
  • Cargo discharge.✓ Correct answer
  • Bottom painting.
The relationship between the composition and flammability of a specific hydrocarbon gas, air and inert gas in cargo tanks is often displayed in which of the following?

One correct answer

  • A flammability diagram.✓ Correct answer
  • A switching plan.
  • A power card.
If the inert gas system fails, what should the crew do?

Multiple correct answers

  • Open all hatches and vents.
  • Take action to prevent any air ingress to the tanks.✓ Correct answer
  • Purge the tanks.
  • Close the deck isolating valve.✓ Correct answer
  • Open the pressure regulating valve.
  • Stop any cargo or ballast operations from inerted tanks.✓ Correct answer
A typical inert gas system includes which of the following components?

One correct answer

  • A scrubber tower.✓ Correct answer
  • A pressure vacuum breaker.
  • A fuel injector.
  • A demister.

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