The depth of water on a chart is indicated as 23 meters. This is equal to __________.?
A) 11.5 fathoms B) 12.6 fathoms C) 69.0 feet D) 78.6 feet E)NULL
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The highest frequency of tropical cyclones in the North Atlantic Ocean occurs during __________.?
A) January, February and March B) April, May and June C) August, September and October D) July, November and December E)NULL
You must draw a plotting sheet covering latitudes 49°N to 53°N and longitudes 179°E to 178°W. If the distance between latitude 49°N to 53°N is 16 inches, what is the distance between the meridians of 1° of longitude?
A) 2.12 inches B) 2.33 inches C) 2.56 inches D) 2.81 inches E)NULL
On a working copy of a weather map, a cold front is represented by what color line?
A) Red B) Blue C) Alternating red and blue D) Purple E)NULL
When using a directional loop antenna to take an RDF bearing, the sense antenna is used to __________.?
A) determine which station of a group of sequenced stations is transmitting B) increase the sensitivity of the receiver C) resolve the 180° ambiguity D) eliminate the induced currents caused by signal re-radiation from the vessel’s structure E)NULL
The Light List shows a lighted aid to navigation on the left bank. This means that the light can be seen on the port side of a vessel __________.?
A) ascending the river B) descending the river C) crossing the river D) proceeding from seaward E)NULL
What is most likely to happen when you push a multiple tow into a countercurrent?
A) Going upstream you will make better speed with no danger involved. B) Going downstream you will be slowed down but will keep control of the tow. C) There is a good chance you will break up the tow. D)…
The distance to the nearest vertex from any point on a great circle track cannot exceed __________.?
A) 5400 nautical miles B) 5840 nautical miles C) 6080 nautical miles D) 10,800 nautical miles E)NULL
You are on course 226°T. In order to check the latitude of your vessel, you should observe a celestial body on which bearing?
A) 226° B) 270° C) 000° D) 026° E)NULL
The accuracy of an azimuth circle can be checked by __________.?
A) sighting a terrestrial range in line and comparing the observed bearing against the charted bearing B) aligning the relative bearing markings so that 000° is on the lubber’s line and the line of sight passes over the center of…