OIC-NW MARINA REVIEWER / QUIZ COMPETENCE 13 – PART 7

COMPETENCE 13 – Maintain seaworthiness of the ship

 

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QUIZ START

#1. In order to determine the weight capacity of a deck in a cargo hold, you must refer to the:

Incorrect!

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#2. In observing rig motion while under tow, the period of roll is the time difference between:

Incorrect!

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#3. If your vessel has a list to port due to negative GM and off-center weight, the first corrective measure you should take is to:

Incorrect!

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#4. If the vertical center of gravity (VCG) of a ship rises, the righting arm (GZ) for the various angles of inclination will:

Incorrect!

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#5. If the ship is hogging, the pillars will be under which of the following stresses?

Incorrect!

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#6. If the ship takes a sudden severe list or trim from an unknown cause, the first action is to:

Incorrect!

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#7. In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the:

Incorrect!

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#8. If you are going to transfer weights from upper tween deck to the lower hold, what will happen?

Incorrect!

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#9. In the absence of external forces, the center of gravity of a floating vessel is located directly in line with the:

Incorrect!

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#10. If you subtract KG from KM, the result is:

Incorrect!

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#11. In small-angle stability, when external forces exist, the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the:

Incorrect!

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#12. In small angle stability theory, the metacenter is located at the intersection of the inclined vertical centerline and a vertical line through:

Incorrect!

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#13. In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with the:

Incorrect!

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#14. In plugging submerged holes, rags, wedges and other materials should be used in conjunction with plugs to:

Incorrect!

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#15. If the VCG of the ship rises 1.7 feet, the GZ for the various angles of inclination will:

Incorrect!

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Finish

There are 15 questions for the actual examination for Competence 13  for OIC-NW with a passing rate of 70%. This means that you are only allowed to make 4 mistakes.

DISCLAIMER

The questionnaires contained in this “reviewer” are extracted from the post released by MARINA on their official website and other review materials. Please note that Seaman Kowts is not affiliated with, endorsed by, or connected to the official website of MARINA. The information provided on this website is for general informational and educational purposes only and should not be relied upon as official or authoritative. If you require official information or services, please visit the official website or any relevant review center. We do not assume any responsibility or liability for any consequences resulting from the use of information or services provided on this website.

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