COMPETENCE 13 – Maintain seaworthiness of the ship
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#1. A vessel has what type of stability, when the center of gravity is lower than the metacentric height?
Incorrect!
#2. A term called ceiling of a vessel.
Incorrect!
#3. A vessel aground may have negative GM since the:
Incorrect!
#4. A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?
Incorrect!
#5. A stress called compression is being placed on the sheer strakes if the vessel is:
Incorrect!
#6. A vessel center of gravity is lowered when the:
Incorrect!
#7. A tank which is NOT completely full or empty is called:
Incorrect!
#8. A vertical shift of weight to a position above the vessel's center of gravity will:
Incorrect!
#9. A symbol indicating the height of vessel's center of gravity.
Incorrect!
#10. A tank which carries liquid is dangerous to the stability of a ship when it is:
Incorrect!
#11. A slow and easy motion of a vessel in a seaway is an indication of a:
Incorrect!
#12. A vessel having continuous closely spaced transverse strength members is:
Incorrect!
#13. A synchronous rolling motion will occur when the encounter wave period is nearly equal to ship's:
Incorrect!
#14. A ship's forward draft is 22'-04" and its after draft is 24'-00". The draft amidships is 23'-04". This indicates a concentration of weight:
Incorrect!
#15. A vessel has how many degrees of freedom?
Incorrect!
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.
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