A.Electrical wiring
B.Iron pipe
C.Radio
D.All of the above
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A.Let the anchor fall free from the hawsepipe，but apply the brake at intervals to check the rate of fall
B.Back the anchor slowly out of the hawsepipe a few feet，and then let it fall in the normal fashion
C.Let the anchor fall off the brake right from the hawsepipe，but keep a slight strain on the brake
D.Under power，back the anchor out until it is near，but clear，of the bottom before letting it fall
A.Light List
B.Notice to Mariners
C.Coast Pilot
D.Sailing Directions
A.They mark the limits of breakers in that area
B.These lines warn the mariner of submerged rocks
C.They mark the boundary lines of fish trap areas
D.These lines warn the mariner of submerged pipelines
A.Fleet Guides
B.Notice to Mariners
C.Sailing Directions
D.Pilot Charts
A.Monday
B.Tuesday
C.Wednesday
D.Thursday
最新試題
The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）
RYUKYU S TO SE 6 BEC 4－5.ISOL SHWRS.SEA 3 M BEC 2 M.SWELL SE 3－4M.This description is likely to be under the heading of（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island（）.
The height of a tide can be increased by（）.
On notification by Admiralty Notice to Mariners that a new edition of one of the books，or a new supplement to one，has been published，it should be obtained（）.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
The Daily Memorandum contains information on（）.
In revised editions of Admiralty charts the（）are corrected first．
Weekly NMs are available without subscription from appointed（）.