U.S.C.G. Merchant Marine Exam Operator Uninspected ...Under the IALA-B Buoyage System, when entering...

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U.S.C.G. Merchant Marine Exam

Operator Uninspected Passenger Vessels

Q357-Navigation General-Great Lakes and Inland

(Sample Examination)

of 14 Q357-Navigation General-Great Lakes and Inland

8/17/2020

Q357-Navigation General-Great Lakes and Inland U.S.C.G. Merchant Marine Exam Operator Uninspected Passenger Vessels Illustrations: 2

Choose the best answer to the following Multiple Choice Questions.

1. On a nautical chart, what does the inner ring of a compass rose indicate?

o (A) Compass error • (B) Magnetic directions o (C) Deviation o (D) True directions

If choice B is selected set score to 1.

2. You are bound for Baltimore via Cape Henry on a 15 knot ship. If the flood at Chesapeake Bay entrance begins at 1800 EST (ZD +5), at what time would you depart from the Chesapeake Bay entrance to have the most favorable current?

o (A) 1700 hours o (B) 1800 hours o (C) 1900 hours • (D) 2030 hours

If choice D is selected set score to 1.

3. Which weather element cannot be measured accurately while on board a moving vessel?

o (A) Atmospheric pressure o (B) Wind direction o (C) Temperature • (D) Visibility


4. You are steering a course of 316°T, and a light bears 34° on the port bow at 2053. At 2126 the same light bears 68° on the port bow, and you have run 5 miles since the first bearing. What is the ETA when the lighthouse is abeam?

o (A) 2149 • (B) 2139 o (C) 2143 o (D) 2159



8/17/2020

Q357-Navigation General-Great Lakes and Inland U.S.C.G. Merchant Marine Exam Operator Uninspected Passenger Vessels Illustrations: 2 5. The velocity of the wind, its steady direction, and the amount of time it has blown determines what

about a wind driven current?

• (A) Its speed o (B) Its density o (C) Its temperature o (D) Its deflection

If choice A is selected set score to 1.

6. Under the U.S. Aids to Navigation System used on the Western Rivers, which is TRUE of the aids to navigation lights on the right descending bank?

o (A) They can only be white lights o (B) They are white or red lights • (C) They are white or green lights o (D) They can only be green lights

If choice C is selected set score to 1.

7. Which topmark shown in illustration D023NG below identifies an isolated danger?

o (A) A • (B) B o (C) C o (D) D


8. You wish to make good a course of 230°T while turning for an engine speed of 12.5 knots. The set is 180°T, and the drift is 1.7 knots. What course should you steer?

o (A) 244°T • (B) 236°T o (C) 231°T o (D) 222°T


9. Under the IALA-B Buoyage System, when entering from seaward, a buoy that should be left to port will be which color?

• (A) Green o (B) Yellow o (C) Black o (D) Red



8/17/2020

Q357-Navigation General-Great Lakes and Inland U.S.C.G. Merchant Marine Exam Operator Uninspected Passenger Vessels Illustrations: 2 10. You are underway on course 328°T when you sight a buoy broad on your port bow. Which would

indicate that you are in the best navigable water?

o (A) The buoy is a western quadrant buoy o (B) The buoy is painted yellow on the top half and black on the bottom o (C) The buoy has a topmark of two cones with points down • (D) The buoy exhibits a light with the characteristic of VQ(3)5s


11. Which symbol represents a 20-fathom curve?

o (A) - - - - - - - - • (B) -..-..-..-..- o (C) - - . - - . - - . - - . o (D) - - - - - - - -


12. In reading a weather map, what do closely spaced pressure gradient lines indicate?

o (A) Fog or steady rain o (B) A calm or light winds • (C) High winds o (D) High overcast clouds


13. Which is a feature of a special daymark?

o (A) A green square o (B) A red-and-white octagon o (C) A daymark with a yellow stripe on it • (D) A yellow diamond


14. When entering from seaward, what does a buoy displaying a composite group (2+1) flashing red light indicate?

o (A) A wreck to be left on the vessel's port side • (B) A junction with the preferred channel to the left o (C) A sharp turn in the preferred channel to the right o (D) The starboard side of the secondary channel



8/17/2020

Q357-Navigation General-Great Lakes and Inland U.S.C.G. Merchant Marine Exam Operator Uninspected Passenger Vessels Illustrations: 2 15. On entering from seaward, which is TRUE of a starboard side daymark?

o (A) It shows a fixed red light if lighted o (B) It show a Morse (A) white light o (C) It will be square in shape • (D) It will have an even number if numbered


16. While navigating in fog off a coastline of steep cliffs, you hear the echo of the ship's fog horn 3 seconds after the signal was sounded. What is the distance to the shore?

o (A) 1100 yards • (B) 550 yards o (C) 872 yards o (D) 792 yards


17. When using a recording depth finder in the open ocean, what phenomena is most likely to produce a continuous trace that may not be from the actual ocean bottom?

• (A) Echoes from a deep scattering layer o (B) Multiple returns reflected from the bottom to the surface and to the bottom again o (C) Echoes from schools of fish o (D) Poor placement of the transducer on the hull


18. You are sailing south on the Intracoastal Waterway (ICW) when you sight a red nun buoy with a yellow square painted on it. Which of the following is TRUE?

• (A) You should leave the buoy on your port hand. o (B) The yellow square is in error and it should be a yellow triangle. o (C) The yellow is retro-reflective material used to assist in sighting the buoy at night. o (D) This buoy marks the end of the ICW in that geographic area.


19. Which statement concerning GPS is TRUE?

• (A) It may be suspended without warning. o (B) It cannot be used in all parts of the world. o (C) There are 12 functioning GPS satellites at present. o (D) Two position lines are used to give a 2D fix.



8/17/2020

Q357-Navigation General-Great Lakes and Inland U.S.C.G. Merchant Marine Exam Operator Uninspected Passenger Vessels Illustrations: 2 20. Which publication should you check for complete information on Puget Sound weather conditions?

o (A) Sailing Directions • (B) Coast Pilot o (C) Chart of the area o (D) Light List


21. You are steering 031°T, and a light is picked up dead ahead at a distance of 12.7 miles at 0017. You change course to pass the light 3.5 miles off abeam to starboard. If you are making 11 knots, what is your ETA at the position 3.5 miles off the light?

o (A) 0121 o (B) 0127 o (C) 0118 • (D) 0124


22. Which term is given to the mechanical lifting of air by the upslope slant of the terrain?

o (A) Advective lifting o (B) Convective lifting • (C) Topographic lifting o (D) Vertical lifting


23. Which wind is a strong, often violent, northerly wind occurring on the Pacific coast of Mexico, particularly during the colder months?

o (A) Norther o (B) Pampero o (C) Papagayo • (D) Tehuantepecer


24. The true course from point A to point B is 317°. A SSW wind causes a 4° leeway, variation is 6°W and deviation is 1°E. What is the magnetic compass course to steer to make good the true course?

o (A) 308°psc o (B) 313°psc o (C) 326°psc • (D) 318°psc



8/17/2020

Q357-Navigation General-Great Lakes and Inland U.S.C.G. Merchant Marine Exam Operator Uninspected Passenger Vessels Illustrations: 2 25. Which class of tide prevails in the greatest number of important harbors on the Atlantic Coast?

o (A) Interval o (B) diurnal o (C) Mixed • (D) Semidiurnal


26. How can you follow the approach of a dangerous cyclonic storm?

o (A) By monitoring the change in the sea temperature o (B) Review the Coast Pilot or Sailing Directions • (C) By a newspaper, a weather map, a weather fax, or a weather forecast o (D) Utilizing the National Weather Service Observing Handbook No.1, Marine Surface

Observations


27. A mid-channel buoy, may show which light?

o (A) A flashing red light o (B) An occulting green light • (C) A Morse (A) white light o (D) A fixed red light


28. While on a course of 097°pgc, a light bears 8° on the port bow at a distance of 11.7 miles. What course should you steer to pass 3 miles abeam of the light leaving it to port?

• (A) 104°pgc o (B) 082°pgc o (C) 091°pgc o (D) 112°pgc


29. Which is the term given to the time required for a lighted aid to complete a full cycle of light changes?

o (A) Set o (B) Frequency o (C) Function • (D) Period



8/17/2020

Q357-Navigation General-Great Lakes and Inland U.S.C.G. Merchant Marine Exam Operator Uninspected Passenger Vessels Illustrations: 2 30. Yellow lights may appear on which buoys?

o (A) Spherical buoys o (B) Horizontally-banded buoys o (C) Vertically-striped buoys • (D) Special purpose buoys


31. Which publication lists Class I and II private aids to navigation in or along navigable waters of the United States?

o (A) Sailing Directions o (B) List of Private Aids • (C) Light List o (D) Aids to Navigation Manual


32. Safe water buoys may show ONLY which type of light?

• (A) white lights o (B) yellow lights o (C) flashing green lights o (D) flashing red lights


33. Information markers, when lighted, will display which color light?

o (A) Yellow lights o (B) Green lights o (C) Red lights • (D) White lights


34. The National Geospatial-Intelligence Agency (formerly the National Imagery and Mapping Agency) would produce a chart of the coast of which area?

o (A) Hawaii o (B) Alaska • (C) Canada o (D) Puerto Rico



8/17/2020

Q357-Navigation General-Great Lakes and Inland U.S.C.G. Merchant Marine Exam Operator Uninspected Passenger Vessels Illustrations: 2 35. What does the command "Hard right rudder" mean?

• (A) Put the rudder over to the right all the way o (B) Put the rudder over quickly to 15° right rudder o (C) Jam the rudder against the stops o (D) Meet a swing to the right, then return to amidships


36. The luminous range of a light takes into account which factor?

o (A) The elevation of the light • (B) The existing visibility conditions o (C) The observer's height of eye o (D) The glare from background lighting


37. Which type of cloud is composed entirely of ice crystals and is found at very high altitudes?

• (A) Cirrus o (B) Cumulus o (C) Stratus o (D) Nimbostratus


38. When a buoy is in position only during a certain period of the year, where may the dates when the buoy is in position be found?

o (A) Coast Pilot • (B) Light List o (C) On the chart o (D) Notice to Mariners


39. You are underway on course 059°T at a speed of 13.8 knots. You sight a light bearing 064°T at a radar range of 5.1 miles at 1839. If you change course at 1845, what is the course to steer to leave the light abeam to starboard at 1.0 mile?

o (A) 047°T • (B) 050°T o (C) 053°T o (D) 058°T



8/17/2020

Q357-Navigation General-Great Lakes and Inland U.S.C.G. Merchant Marine Exam Operator Uninspected Passenger Vessels Illustrations: 2 40. Where can information for updating paper nautical charts primarily be found?

• (A) Notice to Mariners o (B) Coast Pilots o (C) Nautical chart catalogs o (D) Sailing Directions


41. You will be entering the Mystic River in Connecticut. What is the current at the Highway Bridge at 1900 EST (ZD +5) on 24 January 1983?

o (A) Slack water o (B) 2.2 knots flooding o (C) 2.5 knots ebbing • (D) Slight ebb


42. Which is TRUE of a lateral system buoy displaying a quick flashing light?

o (A) The buoy should be passed close aboard on either side o (B) The buoy is painted with red and white vertical stripes o (C) The buoy is used at a channel bifurcation or junction • (D) The buoy indicates that special caution is required


43. Which would you expect to see on a lighted preferred-channel buoy?

o (A) A Morse (A) white light • (B) A composite group-flashing light o (C) A fixed red light o (D) A yellow light


44. Which level of accuracy can be obtained utilizing the U.S. Coast Guard's Maritime Differential GPS in an established coverage area?

• (A) 10 meters o (B) 20 meters o (C) 50 meters o (D) 92 meters



8/17/2020

Q357-Navigation General-Great Lakes and Inland U.S.C.G. Merchant Marine Exam Operator Uninspected Passenger Vessels Illustrations: 2 45. On 23 March 1983, at Kingston Point, NY, what is the earliest time after 1700 EST (ZD +5) that the

predicted tide will be +2.0 feet?

o (A) 1730 o (B) 1800 • (C) 1854 o (D) 2030


46. Which item in illustration D034NG below shows an occulting light?

o (A) A • (B) B o (C) C o (D) D


47. You want to transit Hell Gate, NY on 23 July 1983. What is the period of time around the AM (ZD +4) slack before ebb when the current will be less than 0.3 knot?

o (A) 0939 to 0957 • (B) 0943 to 0953 o (C) 0844 to 0852 o (D) 0348 to 0356


48. What wind reverses directions seasonally?

o (A) Hooked trades o (B) Secondary winds o (C) Jet stream • (D) Monsoon winds


49. The National Oceanic and Atmospheric Administration publishes which item?

o (A) Light Lists o (B) Sailing Directions • (C) Coast Pilots o (D) pilot charts



8/17/2020

Q357-Navigation General-Great Lakes and Inland U.S.C.G. Merchant Marine Exam Operator Uninspected Passenger Vessels Illustrations: 2 50. You are on course 251°pgc and 241° per magnetic compass, when you observe a range in line

bearing 192°pgc. The chart indicates that the range is in line on a bearing of 194°T. The variation is 16°E. What is the deviation of the magnetic compass?

o (A) 2°E o (B) 2°W • (C) 4°W o (D) 10°W



8/17/2020

National Maritime Center

Serving Our Nation’s Mariners

8/29/2018

D023NG

Adapted for testing purposes only from BOWDITCH, The American Practical Navigator,

An Epitome of Navigation, Volume I, 1984 Edition

Copyright © 1984 by the Defense Mapping Agency Hydrographic/Topographic Center

Further reproduction prohibited without permission of 14


National Maritime Center

Serving Our Nation’s Mariners

8/30/2018

D034NG

Adapted for testing purposes only from Chart No. 1 United States of America Nautical Chart Symbols,

Abbreviations and Terms, 10 edition

Copyright © 1997 by the Department of Commerce and Department of Defense

Further reproduction prohibited without permission of 14


U.S.C.G. Merchant Marine Exam Operator Uninspected ...Under the IALA-B Buoyage System, when entering...

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