The drawspan of a floating drawbridge may be marked with __________.?
A) two white lights B) a yellow diamond C) flashing blue lights D) three red lights on each side of the draw E)NULL
Arşivler Sorular
On a gnomonic chart, a great circle track between Los Angeles and Brisbane will appear as a __________.?
A) loxodromic curve B) curved line concave to the equator C) straight line D) spiral approaching the poles as a limit E)NULL
What is the light phase characteristic of a lighted isolated-danger mark?
A) Interrupted quick flashing B) Very quick flashing C) Long flashing D) Group flashing E)NULL
In the horizon system of coordinates what is the equivalent to the celestial equator of the celestial equator system?
A) Horizon B) Prime vertical circle C) Prime meridian D) Principal vertical circle E)NULL
The summer solstice is the point where the Sun is at __________.?
A) maximum declination north B) maximum declination south C) 0° declination going to northerly declinations D) 0° declination going to southerly declinations E)NULL
What will be the velocity of the tidal current at New London Harbor Entrance, CT, at 1615 EST (ZD +5) on 26 December 1983?
A) 0.2 knot B) 0.4 knot C) 0.7 knot D) 0.9 knot E)NULL
You are approaching Gallipolis Lock and Dam. The traffic signal light is flashing red. You should __________.?
A) hold your position and not attempt to enter the lock B) approach the lock slowly under full control C) proceed at normal speed to enter the lock D) None of the above E)NULL
The abbreviation L.W.R.P. on the navigation maps means __________.?
A) low water reference plane B) low winter runoff point C) least water river plane D) land wall reference point E)NULL
On 29 June 1981 you observe a back sight of the lower limb of the Moon as seen through the sextant’s scope. The sextant altitude (hs) is 114°16.9′. The height of eye is 36 feet, and the index error is 2.0′ off the arc. The horizontal parallax is 60.5′. What is the observed altitude (Ho)?
A) 66°23.8′ B) 66°04.4′ C) 66°00.4′ D) 65°53.8′ E)NULL
The radius of a circle of equal altitude for a body equals the body’s __________.?
A) declination B) polar distance C) altitude D) zenith distance E)NULL