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Container Lashing, Basic

CBT 52 questions

First 5 of 52 questions — with answers

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  1. Question 1

    As a container is being lowered into position on board a container ship, it swings in the fore and aft plane, and the actuating wire for the semi-automatic base twistlock catches under the container. Select the ONE best action to take in these circumstances:
    • Lift and re-land the container correctly, freeing the wire as you do so.
    • Make a note to tell the terminal representative at the discharge port.
    • Try and pull the wire free, attaching it to the gantry hook if necessary.
    • Cut the wire and free the twistlock later with a spanner.

  2. Question 2

    Earlier generation container vessels lost containers overboard even after lashing in accordance with the lashing gear manufacturer's manual and the vessel's loading computer. Select the ONE factor, that was not normally taken into account:
    • Static and dynamic loads acting on container lashings and frames.
    • Stress and stability of the ship itself.
    • Shear force, bending moments and torsional forces experienced by the vessel.
    • The speed of the vessel.

  3. Question 3

    How is official approval assigned to the cargo securing manual? Select the ONE correct answer:
    • By the classification society on behalf of the flag State.
    • By the company safety department after consultation with classification society.
    • Jointly, by the ship builder and the lashing gear manufacturer.
    • An approved CSM is NOT required on a container ship.

  4. Question 4

    The number of lashing rods used and positions, in which they are fitted on container stacks, are determined by a number of factors. Select the ONE correct pair of factors:
    • The container size and the weight of each container in the stack.
    • The container weight and the weight of each container in the row.
    • The container weight and the weight of each container in the column.
    • The stack weight and the weight of each container in the stack.

  5. Question 5

    What are intermediate stackers used for? Select the ONE best answer:
    • Securing containers of different length.
    • Securing containers on deck.
    • Securing containers of different height.
    • Securing containers inside cargo holds and container stacks into composite units.

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About this CBT test

Container Lashing, Basic is a CBT test with 52 questions and verified answers. Common topics include: container vessels, main advantage, cargo containers, manual, bridge, cones, accurate, twistlock.

You can practise the free questions online — one at a time, with the correct answer — or unlock the whole test and download it to study offline, without internet.

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