A white buoy with an orange cross within a diamond marked on it indicates __________.?
A) danger B) vessels are excluded from the area C) an anchorage area D) operating restrictions are in effect E)NULL
Arşivler Sorular
In the Sargasso Sea there are large quantities of seaweed and no well defined currents. This area is located in the __________.?
A) Central North Atlantic Ocean B) Caribbean Sea C) Western North Pacific Ocean D) area off the west coast of South America E)NULL
What is the approximate geographic range of Shinnecock Light, NY, if your height of eye is 24 feet (7.3 meters)? Refer to “Reprints from the LIGHT LISTS AND COAST PILOTS” .?
A) 8.7 nm B) 9.9 nm C) 14.4 nm D) 15.9 nm E)NULL
What will be the velocity of the tidal current at Port Jefferson Harbor Entrance, NY, at 1600 EST (ZD +5) on 23 December 1983?
A) 0.9 knot B) 1.1 knots C) 1.6 knots D) 2.0 knots E)NULL
The angle that is measured westward from the first point of Aries to the hour circle of the body along the celestial equator is the __________.?
A) Greenwich sidereal angle B) local sidereal time C) sidereal hour angle D) azimuth angle E)NULL
The Light List Does NOT contain information on __________.?
A) the Global Positioning System (GPS) B) aeronautical lights useful for marine navigation C) radiobeacon systems D) radio direction finder calibration stations E)NULL
In the celestial equator system of coordinates what is NOT equivalent to the longitude of the Earth system of coordinates?
A) SHA B) t C) LHA D) Zn E)NULL
A coastal chart could have a scale of __________.?
A) not more than 1:25,000 B) 1:35,000 C) 1:100,000 D) 1:500,000 E)NULL
After Venus passes the point of greatest elongation east in its orbit, the first position in which the elongation will be zero is __________.?
A) superior conjunction B) inferior conjunction C) opposition D) None of the above; the elongation will never be zero E)NULL
Diagram Number D037NG represents a movable dam. If there is high water and the wickets are down so that there is an unobstructed navigable pass through the dam, what light(s) will be shown at D if the lock walls and piers are not awash?
A) No lights B) One red light C) Two red lights D) Three red lights E)NULL