The class of tide that prevails in the greatest number of important harbors on the Atlantic Coast is __________.?
A) interval B) mixed C) diurnal D) semidiurnal E)NULL
Arşivler Sorular
You are about to go to sea and adjust the magnetic compass. To expedite the adjustment at sea, in what order should the following dockside adjustments be made?
A) Flinders bar first, then the heeling magnet and spheres B) Heeling magnet first, then the Flinders bar and spheres C) Flinders bar first, then the spheres and heeling magnet D) Spheres first, then the Flinders bar and heeling magnet…
You are swinging ship to calibrate the RDF. The RDF gyro bearing is 054° at the same time the visual bearing is 055°pgc. The gyro error is 1°E. At the time of the bearings, the heading was 139°pgc. Which statement about the calibration is TRUE?
A) One degree must be added to all RDF bearings. B) One degree must be subtracted from an RDF bearing of 055°T. C) One degree must be added to all RDF bearings of 276° relative. D) One degree must be…
A tropical wave is usually preceded by __________.?
A) tropical storms B) good weather C) heavy rain and cloudiness D) heavy seas E)NULL
An occulting light is one in which __________.?
A) the period of darkness exceeds the period of light B) there is only a partial eclipse of the light C) the periods of light and darkness are equal D) the period of light exceeds the period of darkness E)NULL
If your position is LAT 25°N, LONG 35°W, what correction should be applied to an RDF bearing received from a transmitting station in LAT 30°N, LONG 40°W?
A) -1.3° B) +1.3° C) -2.1° D) +2.1° E)NULL
You must draw a plotting sheet covering latitudes 46°N to 48°N and longitudes 179°E to 178°W. If the distance between each degree of longitude is 2 7/8 inches, what is the distance between latitude 46°N and 48°N?
A) 8.4 inches B) 8.1 inches C) 7.9 inches D) 7.7 inches E)NULL
A line of position from a celestial observation is a segment of a __________.?
A) circle of equal altitude B) parallel of declination C) parallel of altitude D) vertical circle E)NULL
Your radar displays your ship off center. As you proceed on your course, your ship’s marker moves on the PPI scope while echoes from land masses remain stationary. What is this display called?
A) Off center B) True motion C) Stabilized D) Head up E)NULL
You are underway on course 050°T and your maximum speed is 13 knots. The eye of a hurricane bears 100°T, 120 miles from your position. The hurricane is moving towards 275°T at 25 knots. If you maneuver at 13 knots to avoid the hurricane, what could be the maximum CPA?
A) 72 miles B) 78 miles C) 83 miles D) 89 miles E)NULL