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CD0280. Engineering operations in cold environments

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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 — CD0280. Engineering operations in cold environments” contains 35 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.

According to this module, what type of construction is becoming popular on modern Ice Class vessels? Pick the best answer

One correct answer

  • Simpler construction using heavier frames spaced further apart✓ Correct answer
  • Using more frames spaced closer together
  • Using light frames and longitudinal stiffeners
  • Using longitudinal girders and transverse stiffeners
When operating in ice, which sea suctions should be used? Select the best answer.

One correct answer

  • Use low sea suctions✓ Correct answer
  • Use high sea suctions
  • Keep all sea suctions open
  • Sea suctions should be changed over each day
When sailing in ice, what is the best draught to use? Pick the best answer.

One correct answer

  • Operate at a deep draught, to help protect the rudder and propellers and keep sea suctions free of ice✓ Correct answer
  • Operate at shallow draught to reduce the force required to move through the ice
  • Operate at shallow draught and trim by the stern to help the bulbous bow cut through the ice
  • Operate at shallow draught but trim by the head to help the bulbous bow cut through the ice
According to this module, what type of major hull damage is most critical for vessels operating in the Arctic?

One correct answer

  • Frame buckling and tripping of frames against the side shell✓ Correct answer
  • Indentation of side plating
  • Indentation of bottom plating
  • Damage caused by excessive bending stress
What are the reasons for fitting an exhaust gas bypass for the main engine turbocharger on a vessel operating in very cold weather? Pick the best TWO answers.

Multiple correct answers

  • It helps prevent overpressure in the cylinders✓ Correct answer
  • It allows more heat to be recovered from the exhaust gas✓ Correct answer
  • It protects the turbocharger from overpressure
  • It allows the engine to be operated without the turbocharger

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