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CD0045. Container lashings - Basic

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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 — CD0045. Container lashings - Basic” contains 53 questions across 1 collection.

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Sample questions and answers

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Which of these precautions should be taken when using raised ISO twistlock foundations? Select the ONE most accurate answer.

One correct answer

  • The foundations should be regularly inspected to ensure that they are not cracked as they are susceptible to stresses✓ Correct answer
  • The foundations do not require close-up inspection at regular intervals as they do not get cracked despite long usage
  • It should be ensured that twistlocks are inserted with the locking bar/toggle facing inwards from the container’s corner castings
  • Markings and labels should clearly indicate that the use of both left or right-handed twistlocks is permitted
What was the main reason that the stacking cones method became redundant on ‘first generation’ container vessels? Select the ONE correct answer.

One correct answer

  • Increased utilisation of containers of different heights and the introduction of ‘high-cube’ containers✓ Correct answer
  • Recommendations in the Safety of Life at Sea (SOLAS) Convention.
  • Recommendations from the International Maritime Organisation (IMO).
  • Recommendations in the cargo securing manual (CSM).
What is the main advantage in using automatic locking cones? Select the ONE best answer.

One correct answer

  • Dedicated operating rods are supplied for use in conjunction with the cones in case of their automatic function failure
  • Their flangeless design leads to a higher centre of gravity
  • Some units combine the function of both the semi-automatic twistlocks (SAT) and the midlock and as such operating of cones during cargo operations are fully automatic✓ Correct answer
  • Their flangeless design leads to a higher centre of gravity as well as large GM
Which of these types of information are contained in the cargo securing manual? Select the THREE most likely.

Multiple correct answers

  • Details of fixed and loose cargo securing equipment lists, with related drawings✓ Correct answer
  • Stowage and securing information regarding containers and non–standardised cargo✓ Correct answer
  • Recommendations for reducing the risk of cargo losses from deck stows, by applying restrictions to stack weights or heights where a high geometric metacentre cannot be avoided✓ Correct answer
  • A matrix of all possible combinations for the carriage of containers on board a particular vessel
What is the main advantage in using double and quadruple stacking cones? Select the ONE best answer.

One correct answer

  • No inspection or maintenance is required
  • They secure loaded containers into a single block✓ Correct answer
  • They can be used where adjacent stacks are of different heights
  • They can be used even where inter-connected stacks are for discharge at different ports

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