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
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
Information for updating nautical charts is primarily found in the（）.
On the approach of a warm front the barometric pressure usually（）.
What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island（）.
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
Generally，（）are used as the track charts on the high sea，（）are used for harbors，inland waters and coastal areas．
Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.
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（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.
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（）.