COMPETENCE 9 – Maneuver the ship
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#1. During severe storms when survival becomes a major concern, it may become necessary to relieve high anchor tensions on the windward side of the unit by:
Incorrect!
#2. As the propeller turns, voids are formed on the trailing and leading edges of the propeller blades causing a low in propulsive efficiency, pitting of the axiss, and vibration. These voids are known as:
Incorrect!
#3. Cable tension for catenary calculations is taken at the:
Incorrect!
#4. Bilge keel are more effective at dampening rolls as the:
Incorrect!
#5. Changing direction by bringing the stern of the vessel through the eye of the wind is known as:
Incorrect!
#6. Due to the shape of the sea anchor, the best way to haul it back aboard is by:
Incorrect!
#7. In an emergency, the electro-hydraulic steering units can be directly controlled by the:
Incorrect!
#8. In good weather, you should deploy the sea anchor from the liferaft to:
Incorrect!
#9. Basic signals and maneuvers are common in any parts of the world. The use of ship's whistle to communicate with tugs, one long blast means:
Incorrect!
#10. At sea you sight a tug displaying a black square flag below a black ball on its mast. You should:
Incorrect!
#11. At seaway athwarthship swinging of a vessel.
Incorrect!
#12. In a combination chain and wire rope mooring system, the anchor chain is deployed at the anchor end of the line to:
Incorrect!
#13. At the moment of impact of collision, the following should be noted:
Incorrect!
#14. Before entering an ice area, the ship should be:
Incorrect!
#15. In a Williamson turn, the rudder is put over full until the:
Incorrect!
There are 15 questions for the actual examination for Competence 9 for OIC-NW with a passing rate of 70%. This means that you are only allowed to make 4 mistakes.
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