A great circle crosses the equator at 17°W. It will also cross the equator at what other longitude?
A) 173°W B) 117°W C) 163°E D) 17°E E)NULL
Soru Kategorisi Güverte
Under the U.S. Aids to Navigation System on the Western Rivers, a preferred-channel buoy is __________.?
A) horizontally-banded red and green B) vertically-striped red and white C) solid red D) solid green E)NULL
Astronomical refraction causes a celestial body to appear __________.?
A) to the left of its position in the Northern Hemisphere and to the right in the Southern Hemisphere B) to the right of its position in the Northern Hemisphere and to the left in the Southern Hemisphere C) higher…
Which statement about a simple conic chart projection is TRUE?
A) It is an equal-area projection. B) It is a conformal projection. C) Meridians appear as curved lines. D) The scale is correct along any meridian. E)NULL
Determine the first time after 1200 EST (ZD +5) when the velocity of the current will be 0.5 knot on 18 November 1983, at Marcus Hook, PA.?
A) 1221 B) 1226 C) 1239 D) 1312 E)NULL
In plotting a running fix, how many fixed objects are needed to take your lines of position from?
A) Three B) Two C) One D) None E)NULL
The radius of a circle of equal altitude of a body is equal to the __________.?
A) coaltitude of the body B) altitude of the body C) codeclination of the body D) polar distance E)NULL
Which factor has the greatest effect on the amount of gain required to obtain a fathometer reading?
A) Salinity of water B) Temperature of water C) Atmospheric pressure D) Type of bottom E)NULL
The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is __________.?
A) nonmagnetic B) weatherproof C) corrosion resistant D) capable of being permanently affixed to the vessel E)NULL
Quadrantal error in a gyrocompass has its GREATEST effect __________.?
A) in high latitudes B) near the equator C) on north or south headings D) on intercardinal headings E)NULL