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CD0061. Stability 2

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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 — CD0061. Stability 2” contains 28 questions across 1 collection.

Learning

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Exam

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Sample questions and answers

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What is the minimum required GM for a ship with following GM (min) curves and draught 6.3 metres?

One correct answer

  • 1,7 m✓ Correct answer
  • 2,0 m
  • 2,5 m
  • 1,3 m
Which statements are true concerning the added weight method:

Multiple correct answers

  • It is a suitable damage stability calculation method for manually calculations.✓ Correct answer
  • You have no use of the hydrostatic tables and cross curves for the ship due to increased displacement.
  • You can disregard the change in trim caused by the damage when calculating the new GZ-curve.
  • The free surface effect from the water in the damage compartment has influence though the damage is symmetrical.✓ Correct answer
In the added weight method, the free communication effect in damaged condition:

One correct answer

  • Gives the ship decreased GM when the damage is symmetrical.
  • Reduces the GM and increase the dynamic stability of the ship.
  • Reduces the GM and decreases the dynamic stability by sinus correction of the GZ curve✓ Correct answer
  • Reduces the GM and decreases the dynamic stability by cosinus correction of the GZ curve
In the added weight method, the free communication effect in damaged condition:

One correct answer

  • Gives the ship decreased GM when the damage is symmetrical.
  • Reduces the GM and increases the dynamic stability of the ship.
  • Reduces the GM and decreases the dynamic stability by sinus correction of the GZ curve✓ Correct answer
  • Reduces the GM and decreases the dynamic stability by cosinus correction of the GZ curve
What is the minimum required righting lever for a damaged passenger ship at intermediate state of flooding?

One correct answer

  • 0,15 meters
  • 0,05 meters✓ Correct answer
  • 0,05 metre-radians
  • 0,10 metre-radians

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