Charted depth is the（）.

Avertical distance from the tidal datum to the ocean bottom plus the height of the tide
Bvertical distance from the tidal datum to the ocean bottom
Caverage height of water over a specified period of time
Daverage height of all low waters at a place

参考答案

参考解析：

分类：航海通告与警告题库

We took usual steps:sounding the depth，reversing and stopping engine，paying out anchor and 60 fathoms of chain cable in the depth of 12 fathoms．The operation above is（）.AberthingBsearchingCanchoringDpicking up pilot

2、The depth（）a shallow patch，lying about

The depth（）a shallow patch，lying about 1.3 miles southeastward of Nanshan Tou lighthouse reduces to about 6.1 meters.AaboveBoverCupDupo

3、Depths in the routes (Malacca and Sing

Depths in the routes (Malacca and Singapore Straits) vary between 20m and about 23m but there are many areas of sand waves and depths are li...

4、The depth over a shallow patch，（）about

The depth over a shallow patch，（）about 1．5 miles southeastward of Nanshan Tou lighthouse，reduces to 8 meters.AlayBliesCbeing lainDlying

5、The controlling depth of the river is（

The controlling depth of the river is（）.Athe minimum depth of the river prescribed in the channel maintenance programBthe edge of a dredged c...

6、Molded depth is measured from the（）.

Molded depth is measured from the（）.Ainside of the shellBoutside of the shellCtop of the center vertical keelDtop of the garboard stake

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