Mechanical lifting of air by the upslope slant of the terrain is called __________.?
A) vertical lifting B) convective lifting C) advective lifting D) topographic lifting E)NULL
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Under the U.S. Aids to Navigation System, a yellow buoy is a __________.?
A) safe water buoy B) junction buoy C) cardinal mark D) special purpose mark E)NULL
A vessel heading ENE is on a course of __________.?
A) 022.5° B) 045.0° C) 067.5° D) 090.0° E)NULL
The adjustments to your sextant while correcting for the error of collimation are made by turning two screws bearing on the frame. How are these screws turned?
A) Tighten them both in steps, first one then the other B) Loosen them both in steps, first one then the other C) Tighten one first then loosen the other D) Loosen one first then tighten the other E)NULL
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
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