Radar makes the most accurate determination of the __________.?
A) direction of a target B) distance to a target C) size of a target D) shape of a target E)NULL
Arşivler Sorular
The vertex of a great circle track is in LONG 109°E. An eastbound vessel would cross the equator in LONG __________.?
A) 161°W B) 161°E C) 19°E D) 19°W E)NULL
On a voyage from Capetown to London, the favorable ocean current off the coast of Africa is the __________.?
A) Canary Current B) Benguela Current C) Agulhas Current D) South Atlantic Current E)NULL
The most accurate method of determining gyrocompass error while underway is by __________.?
A) comparing the gyro azimuth of a celestial body with the computed azimuth of the body B) comparing the gyro heading with the magnetic compass heading C) determining from the chart the course made good between celestial fixes D) It…
The Light List shows that a navigational light has a nominal range of 15 miles and a height above water of 29 feet (8.8 meters). Your height of eye is 52 feet (15.8 meters) and visibility is 6.0 miles. At which approximate range will you first sight the light?
A) 9.0 miles B) 11.0 miles C) 14.5 miles D) 15.0 miles E)NULL
You have completed the magnetic compass adjustments on magnetic east and magnetic south. The vessel is now steady on magnetic north but the compass reads 356°. You should now adjust the compass until it reads __________.?
A) 358° B) 000° C) 002° D) 004° E)NULL
The equation of time measures the __________.?
A) difference between local apparent time and Greenwich apparent time B) longitude in time units C) difference between sidereal time and local time at the Greenwich meridian D) time between the passage of the mean sun and the apparent sun…
Some locations maintain a zone time of -13. What are the zone time and date if the Greenwich time and date are 2152, 10 January?
A) 1052, 9 January B) 0852, 10 January C) 1052, 10 January D) 1052, 11 January E)NULL
Which of the buoys listed below could be used to mark an anchorage?
A) White buoy numbered “3 B) White buoy with a green top C) White buoy with orange bands D) Yellow buoy lettered “N” E)NULL
A vessel is heading magnetic northwest and its magnetic compass indicates a heading of 317°. What action should be taken to remove this error during compass adjustment?
A) If the quadrantal spheres are out as far as possible replace them with smaller spheres. B) If the quadrantal spheres are in as far as possible remove one of the spheres. C) If the quadrantal spheres are in as…