Assessment Test

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1. If you were sailing in the North Pacific and were interested in the ice and iceberg limits, you could find this information in the __________.

 
 
 
 

2. If your vessel must pass through a draw during a scheduled closure period, what signal should you sound to request the opening of the draw?

 
 
 
 

3. If your vessel were proceeding down river (descending), a green square marker with a green reflector border on the right bank would be a __________.

 
 
 
 

4. If your vessel were proceeding up river (ascending), the port side of the channel would be marked according to the U. S. Aids to Navigation System on the Western Rivers by __________.

 
 
 
 

5. If your weather bulletin shows the center of a low pressure area to be 100 miles due east of your position, what winds can you expect in the Northern Hemisphere?

 
 
 
 

6. In a cyclone the lowest pressure is found in the __________.

 
 
 
 

7. In a microbarograph, the pen should be checked and the inkwell filled __________.

 
 
 
 

8. In a river subject to tidal currents, the best time to dock a ship without the assistance of tugs is __________.

 
 
 
 

9. In a tropical cyclone in the Northern Hemisphere, a vessel hove to with the wind shifting counterclockwise would be __________.

 
 
 
 

10. In a tropical cyclone, in the Northern Hemisphere, a vessel hove to with the wind shifting counterclockwise is __________.

 
 
 
 

11. In a weather report, the term "visibility" expresses __________.

 
 
 
 

12. In addition to monitoring channel 16, all Corps of Engineer locks may use as working channels __________.

 
 
 
 

13. In addition to the National Weather Service, what agency provides plain- language radio weather advisories for the coastal waters of the United States?

 
 
 
 

14. In general, on how many radio channels will an automatic identification system (AIS) operate?

 
 
 
 

15. In general, the most effective period for observing stars and planets occurs during the darker limit of __________.

 
 
 
 

16. In high latitudes, celestial observations can be made over a horizon covered with pack ice by bringing the sun tangent to the ice and __________.

 
 
 
 

17. Low latitudes, the new Moon will always rise at about __________.

 
 
 
 

18. In many areas "atoll" clouds (clouds of vertical development) are produced over small islands. These are the result of __________.

 
 
 
 

19. In mid-ocean, the characteristics of a wave are determined by three factors. What is NOT one of these factors?

 
 
 
 

20. In modern fathometers the sonic or ultrasonic sound waves are produced electrically by means of a(n) __________.

 
 
 
 

21. In most cases, the direction of the apparent wind lies between the bow and __________.

 
 
 
 

22. In North America the majority of the weather systems move from __________.

 
 
 
 

23. In order for a star to be used for a sight at lower transit, the star must __________.

 
 
 
 

24. In order to get the maximum benefit from the Gulf Stream, on a voyage between Houston and Philadelphia, you should navigate __________.

 
 
 
 

25. In order to insure that a RACON signal is displayed on the radar, you should __________.

 
 
 
 

26. In order to insure that the racon signal is visible on your 3 cm radar, the __________.

 
 
 
 

27. In order to remove index error from a sextant, you should adjust the __________.

 
 
 
 

28. In order to remove side error from a sextant, you should adjust the __________.

 
 
 
 

29. In order to utilize the capacity of a lock to its maximum, pleasure craft are locked through with all of the following EXCEPT __________.

 
 
 
 

30. In reading a weather map, closely spaced pressure gradient lines would indicate __________.

 
 
 
 

31. In Region A of the IALA Buoyage System, when entering from seaward, the port side of a channel would be marked by a __________.

 
 
 
 

32. IN REGION A of the IALA Buoyage System, when entering from seaward, the starboard side of a channel would be marked by a __________.

 
 
 
 

33. In regions near the poles, the winds are generally described as __________.

 
 
 
 

34. In shallow water, waves that are too steep to be stable, causing the crests to move forward faster than the rest of the wave, are called __________.

 
 
 
 

35. parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n) __________.

 
 
 
 

36. In some river mouths and estuaries the incoming high-tide wave crest overtakes the preceding low-tide trough. This results in a wall of water proceeding upstream, and is called a __________.

 
 
 
 

37. In the celestial equator system of coordinates what is equivalent to the colatitude of the Earth system of coordinates?

 
 
 
 

38. In the celestial equator system of coordinates what is equivalent to the longitude of the Earth system of coordinates?

 
 
 
 

39. In the celestial equator system of coordinates what is NOT equivalent to the longitude of the Earth system of coordinates?

 
 
 
 

40. In the celestial equator system of coordinates what is the equivalent to the meridians of the Earth system of coordinates?

 
 
 
 

41. In the celestial equator system of coordinates, what is comparable to latitude on the terrestrial sphere?

 
 
 
 

42. In the doldrums you can expect __________.

 
 
 
 

43. In the doldrums you will NOT have __________.

 
 
 
 

44. In the horizon system of coordinates what is equivalent to latitude on the Earth?

 
 
 
 

45. In the horizon system of coordinates what is equivalent to longitude on the Earth?

 
 
 
 

46. In the horizon system of coordinates what is equivalent to the declination of the equator system?

 
 
 
 

47. In the horizon system of coordinates what is equivalent to the equator on the Earth?

 
 
 
 

48. In the horizon system of coordinates what is equivalent to the Greenwich hour angle of the celestial equator system?

 
 
 
 

49. In the horizon system of coordinates what is equivalent to the local hour angle of the celestial equator system?

 
 
 
 

50. In the horizon system of coordinates what is equivalent to the meridian angle of the celestial equator system?

 
 
 
 

51. In the horizon system of coordinates what is equivalent to the parallels of declination of the celestial equator system?

 
 
 
 

52. In the horizon system of coordinates what is equivalent to the poles on the Earth?

 
 
 
 

53. In the horizon system of coordinates what is the equivalent to the celestial equator of the celestial equator system?

 
 
 
 

54. In the horizon system of coordinates what is the equivalent to the meridians on the Earth?

 
 
 
 

55. In the IALA Buoyage System, buoys with alternating red and green horizontal bands are used to indicate __________.

 
 
 
 

56. In the IALA Buoyage System, preferred-channel-to-port or preferred- channel-to-starboard buoys, when fitted with lights, will show a __________.

 
 
 
 

57. In the IALA Maritime Buoyage System, a red and white vertically- striped buoy is used as a(n) __________.

 
 
 
 

58. In the Nautical Almanac provided, when would Jupiter and Saturn be visible in temperate latitudes for both evening and morning stars?

 
 
 
 

59. In the navigational triangle, the angle at the elevated pole is the __________.

 
 
 
 

60. In the Northern Hemisphere a wind is said to veer when the wind __________.

 
 
 
 

61. In the Northern Hemisphere the major ocean currents tend to flow __________.

 
 
 
 

62. In the Northern hemisphere which semicircle of a hurricane is the navigable semicircle?

 
 
 
 

63. In the Northern Hemisphere you are caught in the dangerous semicircle of a storm with plenty of sea room available. The best course of action is to bring the wind on the __________.

 
 
 
 

64. In the Northern Hemisphere, if your vessel is in a hurricane's navigable semicircle it should be positioned with the wind on the __________.

 
 
 
 

65. In the Northern Hemisphere, a wind that shifts counterclockwise is a __________.

 
 
 
 

66. In the Northern Hemisphere, an area of counterclockwise wind circulation surrounded by higher pressure is a __________.

 
 
 
 

67. In the Northern Hemisphere, gusty winds shifting clockwise, a rapid drop in temperature, thunderstorms or rain squalls in summer (frequent rain/snow squalls in winter) then a rise in pressure followed by clearing skies, indicate the passage of a(n) __________.

 
 
 
 

68. In the Northern Hemisphere, the largest waves or swells created by a typhoon or hurricane will be located __________.

 
 
 
 

69. In the Northern Hemisphere, the right half of the storm is known as the dangerous semicircle because __________.

 
 
 
 

70. In the Northern Hemisphere, what type of cloud formations would you expect to see to the west of an approaching tropical wave?

 
 
 
 

71. In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the __________.

 
 
 
 

72. In the Northern Hemisphere, winds veering sharply to the west or northwest with increasing speed are indications that a __________.

 
 
 
 

73. In the Northern Hemisphere, your vessel is believed to be in the direct path of a hurricane, and plenty of sea room is available. The best course of action is to bring the wind on the __________.

 
 
 
 

74. In the relatively calm area near the hurricane center, the seas are __________.

 
 
 
 

75. In the Sargasso Sea there are large quantities of seaweed and no well defined currents. This area is located in the __________.

 
 
 
 

76. In the Southern Hemisphere the wind circulation in a high pressure system rotates __________.

 
 
 
 

77. In the Southern Hemisphere winds in a low pressure system rotate in a __________.

 
 
 
 

78. In the U.S. Aids to Navigation System on the Western Rivers, a preferred channel buoy to be left to port while proceeding downstream will __________.

 
 
 
 

79. In the U.S. Aids to Navigation System on the Western Rivers, the light characteristic of group flashing (2) is used for lights on __________.

 
 
 
 

80. In the U.S. Aids to Navigation System, lateral aids as seen entering from seaward will display lights with which characteristic?

 
 
 
 

81. In the U.S. Aids to Navigation System, red and green horizontally-banded buoys mark __________.

 
 
 
 

82. In the United States, short-range radio navigational warnings are broadcast by the __________.

 
 
 
 

83. In United States waters, a buoy having red and white vertical stripes has a light characteristic of __________.

 
 
 
 

84. If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere?

 
 
 
 

85. If an observer in the Northern Hemisphere faces the surface wind, the center of low pressure is to his _________.

 
 
 
 

86. If an observer is at 35°N latitude, his zenith is __________.

 
 
 
 

87. If the compass heading and the magnetic heading are the same then __________.

 
 
 
 

88. If the current and wind are in opposite directions, the sea surface represents __________.

 
 
 
 

89. If the current and wind are in the same direction, the sea surface represents a wind speed __________.

 
 
 
 

90. If the electronic chart is part of an ECDIS, it must display the minimum data required by IMO/IHO, to include all of the following EXCEPT

 
 
 
 

91. If the gyrocompass error is east, what describes the error and the correction to be made to gyrocompass headings to obtain true headings?

 
 
 
 

92. If the magnetic heading is greater than the compass heading, the deviation is __________.

 
 
 
 

93. If the main channel under a bridge is marked with lights of the lateral system the adjacent bridge piers should be marked with __________.

 
 
 
 

94. If there is any doubt as to the proper operation of a radar, which statement is TRUE?

 
 
 
 

95. If within 500 yards (460m) of a Northern Right Whale you are lawfully obligated to __________.

 
 
 
 

96. If you are caught in the left semicircle of a tropical storm, in the Southern Hemisphere, you should bring the wind __________.

 
 
 
 

97. If you are sailing from the East Coast of the United States to the Caribbean Sea, which publication would contain information on weather, currents, and storms?

 
 
 
 

98. If you count 20 seconds between seeing lightning and hearing the thunder, how far is the storm away from you?

 
 
 
 

99. If you observe a buoy off station you should __________.

 
 
 
 

100. If you observe a rapid fall of barometric pressure you should __________.

 
 
 
 


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