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CD7006. TOTS 1A-Heavy Weather Navigation

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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 — CD7006. TOTS 1A-Heavy Weather Navigation” contains 36 questions across 1 collection.

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Sample questions and answers

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What is the "dangerous semicircle" of a tropical storm in the Southern hemisphere?

One correct answer

  • The dangerous semicircle is the section of the tropical cyclone that is on the port side of the cyclone path and its eye.✓ Correct answer
  • The dangerous semicircle is the section of the tropical cyclone that is on the starboard side of the cyclone path and its eye.
  • The dangerous semicircle is the section of the tropical cyclone that is 250 Nm fwd of the eye of the storm directly in her path.
  • The dangerous semicircle is the section of the tropical cyclone that is 80 Nm fwd of the eye of the storm directly in her path.
What action should you take if you find yourself within the dangerous semi-circle of a tropical storm in the Southern hemisphere and the wind is backing?

One correct answer

  • You should put the wind on the port bow and proceed at full available speed, altering the course to port as the wind backs.✓ Correct answer
  • You should put the wind on the port quarter and proceed as fast as possible in a southerly direction.
  • You should put the wind on the starboard quarter and proceed as fast as possible in a northerly direction.
  • You should bring the wind on to the port quarter and proceed with all available speed turning to starboard as the wind changes direction.
What is the meaning of the term "ramming"?

One correct answer

  • Attempting to break the ice by repeatedly driving the ship as far forward as possible, backing the ship out and repeating the process.✓ Correct answer
  • The noise caused by icebreakers breaking the ice.
  • The unpleasant noise caused by the propeller grinding through the ice when the vessel is running ahead in the ballast condition.
  • The unpleasant noise caused by the propeller grinding through the ice when the vessel is running astern.
What is the meaning of the term the "wind is backing"?

One correct answer

  • It's an anticlockwise change in the direction of the wind (i.e. from northwest to west to southwest).✓ Correct answer
  • It's a clockwise change in the direction of the wind (i.e. from northeast to east to southeast).
  • It's a change of direction in the wind from ahead to astern.
  • It's a change of direction in the wind from astern to ahead.
You are in the vicinity of a tropical storm in the Northern hemisphere and the wind is remaining in a steady direction. If the vessel is in the navigable semi-circle, you should continue the voyage in the planned direction. True or False?

One correct answer

  • False.✓ Correct answer
  • True.

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