COMPETENCE 1 – Plan and Conduct a Passage and Determine Position
#1. The reaction of a gyrocompass to an applied force is known as:
Incorrect!
#2. The period at high or low tide during which there is no change in the height of the water is called the:
Incorrect!
#3. The difference between the DR position and a fix, both of which have the same time, is caused by:
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#4. In high latitudes, celestial observations can be made over a horizon covered with pack ice by bringing the sun tangent to the ice and:
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#5. Your vessel goes aground in soft mud. You would have the best chance of refloating it on the next tide if it grounded at:
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#6. In which source could you find the number of a chart for a certain geographic area?
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#7. Magnetic compass deviation:
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#8. Which of the following is NOT a form of precipitation?
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#9. Which statement is TRUE concerning the current of the Gulf Stream?
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#10. The wind direction around a low pressure area in the Northern Hemisphere is:
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#11. What indicates that a tropical cyclone may be within 500 to 1,000 miles of your position?
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#12. The constellation that contains Polaris is:
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#13. In the relatively calm area near the hurricane center, the seas are:
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#14. Which current is responsible for the movement of icebergs into the North Atlantic shipping lanes?
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#15. Clouds with the prefix “nimbo” in their name:
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#16. On a Mercator chart, 1 nautical mile is equal to:
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#17. The change in the length of day becomes greater as latitude increases because of the:
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#18. Pressure gradient is a measure of:
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#19. The greater the pressure difference between a high and a low pressure center, the:
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#20. The region of high pressure extending around the Earth at about 35°N latitude is called the:
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#21. Right ascension is primarily used by the navigator for:
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#22. Variation is not constant; it is different with every change in:
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#23. The edge of a hurricane has overtaken your vessel in the Gulf of Mexico, and the northwest wind of a few hours ago has shifted to the west. This is an indication that you are located in the:
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#24. Magnets in the binnacles of magnetic compasses are used to reduce the effect of:
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#25. The magnitude of three stars is indicated. Which star is the brightest?
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#26. The type of current which will have the greatest effect on the course made good for your vessel is:
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#27. A line drawn through all points on a isomagnetic chart having the same amount of magnetic variation.
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#28. A generally circular low pressure area is called a(n):
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#29. The appearance of nimbostratus clouds in the immediate vicinity of a ship at sea would be accompanied by which of the following conditions?
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#30. As the temperature of the air reaches the dew point:
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#31. A mean sun is used as the reference for solar time for three reasons. Which reason is NOT a cause for use of a mean sun?
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#32. When navigating using GPS, what is an indicator of the geometry of the satellites that your receiver is locked onto?
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#33. Cumulus clouds that have undergone vertical development and have become cumulonimbus in form, indicate:
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#34. The Humboldt Current flows in which direction?
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#35. After the passage of a cold front the visibility:
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There are 35 questions for the actual examination for Competence 1 for OIC-NW with a passing rate of 70%. This means that you are only allowed to make 10 mistakes.
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