A backlash below a lock is defined as a __________.?
A) current setting your vessel on the wall B) current setting into the lock chamber C) an eddy working along the lower guide wall D) current setting counterclockwise E)NULL
A) current setting your vessel on the wall B) current setting into the lock chamber C) an eddy working along the lower guide wall D) current setting counterclockwise E)NULL
A) when the sun is over the first point of Aries B) when the first point of Aries is over 180° longitude C) when the first point of Aries is over the upper branch of the reference meridian D) at…
A) Nautical Almanac for the year B) U.S. Army Corps of Engineers Regulations (Blue Book) C) Sailing Directions D) All of the above E)NULL
A) 2 min. 12 sec. B) 2 min. 42 sec. C) 3 min. 02 sec. D) 3 min. 12 sec. E)NULL
A) course B) track C) bearing D) course over the ground E)NULL
A) being moored for a long time on one heading B) being struck by lighting C) steaming from the north magnetic hemisphere to the south magnetic hemisphere D) loading a homogenous magnetic cargo such as steel plate, iron bars, etc.…
A) give better range performance in rain, hail, etc. B) display small targets in a mass of dense sea clutter at a greater range C) have less sea return in choppy rough seas D) display a more maplike presentation for…
A) Sailing Directions B) Nautical Almanac for the year C) U.S. Coast Pilot D) U.S. Army Corps of Engineers Regulations (Blue Book) E)NULL
A) mean low water springs B) mean low water C) mean lower low water D) lowest normal low water E)NULL
A) should never use radar bearings B) should only use radar bearings when the range exceeds the distance to the horizon C) can use radar information from one object to fix the position D) must use information from targets forward…