A chart has extensive corrections to be made to it. When these are made and the chart is again printed, the chart issue is a __________.?
A) first edition B) new edition C) revised edition D) reprint E)NULL
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Civil twilight begins at 1910 zone time on 20 July 1981. Your DR position at that time is LAT 22°16’N, LONG 150°06’W. Which statement concerning the planets available for evening sights is TRUE?
A) Venus will have a westerly meridian angle. B) Mars will set about one hour after the Sun sets. C) Mars, Venus, Jupiter, and Saturn will be above the horizon. D) Sights of Saturn, Jupiter, and Venus will yield a…
On March 17, at 0500 zone time, you cross the 180th meridian steaming eastward to west longitude. What is your local time?
A) You are in -12 time zone. B) It is 1700, March 18. C) It is 0500, March 16. D) It is 0500, March 18. E)NULL
When the declination of the Moon is 0°12.5’S, you can expect some tidal currents in Gulf Coast ports to __________.?
A) have either a double ebb or a double flood B) become weak and variable C) become reversing currents D) exceed the predicted velocities E)NULL
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
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