OIC-NW MARINA REVIEWER / QUIZ COMPETENCE 1 – PART 6

COMPETENCE 1 – Plan and Conduct a Passage and Determine Position

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#1. What publication has information on the climate, distances, navigation regulations, outstanding landmarks, channels and anchorages of Long Island Sound?

Incorrect!

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#2. What is true about a front?

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#3. You are on course 355deg. T and take a relative bearing of a lighthouse of 275deg.. What is the true bearing of the lighthouse?

Incorrect!

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#4. The angle measured eastward from the vernal equinox along the celestial equator often expressed in time units is the:

Incorrect!

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#5. The navigational triangle uses parts of two systems of coordinates, one of which is the celestial equator system, the other system is the:

Incorrect!

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#6. Tropical cyclones are classified by form and intensity. Which system does not have closed isobars?

Incorrect!

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#7. When correcting the sextant altitude to apparent altitude you are correcting for inaccuracies in the reading and:

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#8. What would you adjust in an attempt to eliminate index error of a sextant?

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#9. Which of these sextant errors is nonadjustable?

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#10. The drift and set of tidal, river, and ocean currents refer to the:

Incorrect!

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#11. You take a bearing of 086deg. of a lighthouse. What bearing of another object would give the best fix?

Incorrect!

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#12. Which compensates for errors introduced when the vessel heels over?

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#13. The vertex of a great circle track is in LONG 109deg. E. An eastbound vessel would cross the equator in LONG:

Incorrect!

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#14. The lunar day is:

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#15. When taking an amplitude, the Sun's center should be observed on the visible horizon when:

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#16. What is a characteristic of a rhumb line?

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#17. The dew point is reached when the:

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#18. A chart with a scale of 1:45,000 is a:

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#19. The National Geospatial-Intelligence Agency (formerly the National Imagery and Mapping Agency) would produce a chart of the coast of:

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#20. The prime vertical is the reference point from which the angle of which type of observation is measured?

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#21. Where would you obtain data on currents for areas of the world not covered by the U.S. National Ocean Service?

Incorrect!

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#22. On November 1st the zone time is 1700 EST (ZD +5) in LONG 75deg. W. What is the corresponding zone time and date in LONG 135deg. E?

Incorrect!

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#23. The permanent magnetism of a vessel may change in strength due to:

Incorrect!

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#24. A line on the Earth parallel to the equator is a:

Incorrect!

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#25. The direction of prevailing winds in the Northern hemisphere is caused by the:

Incorrect!

Finish

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.

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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