A great circle crosses the equator at 157°W. It will also cross the equator at what other longitude?
A) 157°E B) 57°E C) 23°E D) 57°W E)NULL
Arşivler Sorular
Why are low altitude sun sights not generally used?
A) Errors due to unusual refraction may exist. B) Sextants may have large errors at small angles of elevation. C) Modern sight reduction tables are not complete for low altitudes below 5°. D) The glare on the horizon causes irradiation…
Your vessel will be docking at Chester, PA, during the evening of 22 April 1983. The chart shows a depth of 20 feet (6.1 meters) at the pier. What will be the depth of water available at 1856 EST (ZD +5)?
A) 22.4 feet (6.8 meters) B) 23.4 feet (7.2 meters) C) 24.9 feet (7.6 meters) D) 25.7 feet (7.8 meters) E)NULL
The Earth’s irregular heating is caused by __________.?
A) the time of day B) the seasons C) geography D) All of the above E)NULL
A vessel heading SSE is on a course of __________.?
A) 112.5° B) 135.0° C) 157.5° D) 180.0° E)NULL
What daymark shape is used in the lateral system?
A) Semicircle B) Triangle C) Pentagon D) Diamond E)NULL
Determine the duration of the first PM slack water on 3 March 1983, east of the Statue of Liberty, when the current is less than 0.1 knot?
A) 10 minutes B) 13 minutes C) 16 minutes D) 19 minutes E)NULL
Which type of precipitation is a product of the violent convection found in thunderstorms?
A) Snow B) Freezing Rain C) Hail D) Sleet E)NULL
In using Loran-C, skywave reception gives greater range but is __________.?
A) only accurate during daylight hours B) much less accurate C) only accurate at twilight D) more accurate than using ground waves E)NULL
When navigating in high latitudes and using a chart based on a Lambert conformal projection, __________.?
A) a straight line drawn on the chart approximates a great circle B) the chart should not be used outside of the standard parallels C) the course angle is measured at the mid-longitude of the track line D) distance cannot…