A.stem the current and make very slow headway when the anchor is dropped
B.stem the current and be falling aft very slowly when the anchor is dropped
C.stem the current and endeavor to make neither headway nor sternway when the anchor is dropped
D.stop all headway through the water and keep the current astern when the anchor is dropped
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A.period
B.range
C.distance
D.depth
A.by
B.with
C.on
D.in
A.Northwesterly
B.Southwesterly
C.Southerly
D.Northerly
A.when the wind is against you
B.with the current setting against you
C.at slack water
D.with a cross current
A.SW'ly direction along the NW coast of Africa
B.S'ly direction off the East Coast of Australia
C.NW'ly direction along the SW coast of Africa
D.SW'ly direction along the SE coast of Greenland
最新試題
Which statement is TRUE concerning apogean tides（）．
Which statement is TRUE concerning equatorial tides（）.
Water may boil up around the stern of a vessel in a channel due to（）.
The velocity of a rotary tidal current will be decreased when the Moon is（）.
The term flood current refers to that time when the water（）.
The Benguela Current flows in a（）.
Tide is（）in direction ENE.
（）is not a type of tide.
Stand of the tide is that time when（）.
Neap tides occur only（）.