默认题库 - 航海通告与警告

单选题

Generally，（）are used as the track charts on the high sea，（）are used for harbors，inland waters and coastal areas．

A. Mercator charts／Loran charts
B. Admiralty charts／Routeing charts
C. large scale charts／small scale charts
D. small scale charts／large scale chart

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单选题

Positions read from this chart should be moved 0.08 minutes Southward and 0.13 minutes Eastward so as （） adjoining chart 344.

A. to agree upon
B. in accordance with
C. to be same as
D. to agree with

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单选题

Positions read from this chart should，to agree with chart 3949，be （） 0.03 minutes Northwards and 0.22 minutes Westwards．

A. shifted
B. removed
C. changed
D. altered

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单选题

On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.

A. vessel being towed
B. fishing vessel engaged in trawling
C. vessel at anchor warning you of her location
D. power-driven pilot vessel on station underway

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单选题

Contour elevations on this chart refer to heights in feet above mean （）.

A. lower low water
B. high water
C. low water
D. sea level

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单选题

Charts are subject to frequent correction according to （）.

A. Notices to Mariners
B. Mariner's handbook
C. Sailing Directions
D. Guide to Port Entry

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单选题

（）day，pilot flag should be displayed from main mast．

A. From
By
C. on
D. With

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单选题

（）objects are those which stand out clearly from the background or other objects and are easily identifiable from a few miles offshore in normal visibility．

A. Conspicuous
B. Permanent
C. Preliminary
D. Temporary

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单选题

Admiralty Notices to Mariners are published （）.

A. every day
B. every week
C. every month
D. every year

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单选题

Admiralty Notices to Mariners，containing important information for the mariners and enabling them to keep their charts and books corrected for the latest information，are issued daily and published in（）.

A. Weekly Editions
B. Quarterly Editions
C. Annual Editions
D. Monthly Editio

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