Your radar has a beam width of 2°. The radar gyro bearing of the right tangent of an island is 316°. The gyro error is 1°E. Which true bearing should be plotted on the chart?
A) 313° B) 314° C) 316° D) 317° E)NULL
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You are swinging ship to calibrate the RDF. The RDF gyro bearing is 308° at the same time the visual bearing is 310°pgc. The gyro error is 2°E. At the time of the bearing the heading was 270°pgc. Which statement is TRUE?
A) There is calibration correction on a heading of 272°T. B) The correction is +2° on an RDF bearing of 040° relative. C) The correction is -2°When the vessel is on course 272°T. D) There is no calibration correction on…
Which is a nonadjustable error of the sextant?
A) Error of perpendicularity B) Side error C) Error of collimation D) Centering error E)NULL
What term is used to describe a tank barge constructed with the structural framing outside the cargo tank and the cargo tank plating separated from the shell plating?
A) Shell plated B) Double hull C) Hopper type D) Independent tank E)NULL
Stand” of the tide is that time when __________.?
A) the vertical rise or fall of the tide has stopped B) slack water occurs C) tidal current is at a maximum D) the actual depth of the water equals the charted depth E)NULL
If the right ascension of a body is 9 hours, it also __________.?
A) is 135° B) corresponds to an SHA for the body of 45° C) means that the GP of the body is in the western hemisphere D) All of the above E)NULL
Local sidereal time is equal to the __________.?
A) GHA of Aries minus 180° B) SHA of Aries C) LHA of Aries D) right ascension of Aries plus 180° E)NULL
The value of sixty nautical miles per degree of geodetic latitude is most correct at __________.?
A) the equator B) latitude 45° C) the poles D) all latitudes E)NULL
What is used to correct for both induced and permanent magnetism, and consequently must be readjusted with radical changes in latitude?
A) Flinders bar B) Soft iron spheres C) Fore-and-aft permanent magnets in their trays D) Heeling magnet E)NULL
The strongest winds and heaviest rains in a hurricane are found in the __________.?
A) outer bands B) eye C) cloud walls D) spiral rainbands E)NULL