COMPETENCE 13 – Maintain seaworthiness of the ship
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#1. 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!
#2. In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with the:
Incorrect!
#3. In plugging submerged holes, rags, wedges and other materials should be used in conjunction with plugs to:
Incorrect!
#4. In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the:
Incorrect!
#5. If the ship is hogging, the pillars will be under which of the following stresses?
Incorrect!
#6. If the ship takes a sudden severe list or trim from an unknown cause, the first action is to:
Incorrect!
#7. If you subtract KG from KM, the result is:
Incorrect!
#8. In the absence of external forces, the center of gravity of a floating vessel is located directly in line with the:
Incorrect!
#9. 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!
#10. If you are going to transfer weights from upper tween deck to the lower hold, what will happen?
Incorrect!
#11. If the vertical center of gravity (VCG) of a ship rises, the righting arm (GZ) for the various angles of inclination will:
Incorrect!
#12. In observing rig motion while under tow, the period of roll is the time difference between:
Incorrect!
#13. In small angle stability theory, the metacenter is located at the intersection of the inclined vertical centerline and a vertical line through:
Incorrect!
#14. In order to determine the weight capacity of a deck in a cargo hold, you must refer to the:
Incorrect!
#15. If the VCG of the ship rises 1.7 feet, the GZ for the various angles of inclination will:
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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