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CD7023. TOTS 1B-Operation, monitoring, machinery

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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 — CD7023. TOTS 1B-Operation, monitoring, machinery” contains 70 questions across 1 collection.

Learning

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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 is the most common cause of the lowering in performance of heat exchangers?

One correct answer

  • Fouling of the heat transfer surface.✓ Correct answer
  • An air lock.
  • Low water flow.
  • The division plate joint failure.
A lub oil purifier fault alarm, if not attended to immediately..

One correct answer

  • may result in good lub oil discharging to the sludge tank.✓ Correct answer
  • may result in a breakdown.
  • may result in contamination of the oil.
  • may result in an overload condition.
You would expect a deck seal to be..

One correct answer

  • of wet or dry types.✓ Correct answer
  • mechanical type seals.
  • gland packings.
  • normal non-return valves.
To prevent damage of the compressor, the refrigerant return line..

One correct answer

  • should not contain any liquid.✓ Correct answer
  • should be condensed to a liquid state.
  • should be a mixture of gas and liquid.
  • should not go back to the compressor.
During normal operation the main engine speed reduces and the engine stops. The engine can only be restarted at local emergency control station. The fuel lever is difficult to move. What do you suspect is the problem?

One correct answer

  • The pneumatic stop solenoid is defective.✓ Correct answer
  • There is a defective air start distributor.
  • There is low control air pressure.
  • A fuel pump has seized.

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