A.difference in longitude
B.mid-longitude
C.departure
D.meridian angle
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A.increases in north latitude and decreases in south latitude
B.decreases as DLO increases
C.increases with increased latitude
D.decreases with increased latitude
A.set the vessel to the left
B.set the vessel to the right
C.offer resistance in the form of a head current
D.furnish additional thrust in the form of a fair or following current
A.Canary Current
B.Benguela Current
C.Agulhas Current
D.South Atlantic Current
A.Leeway
B.Leeside
C.Leeward
D.Lee moving
A.List of Lights
B.Coast Pilot
C.Sailing Directions
D.List of Radiobeacons
A.horizontal
B.vertical
C.diagonal
D.vertical or diagonal
A.watch
B.look for
C.see
D.regard
A.west in west longitude and east in east longitude
B.east in west longitude and west in east longitude
C.west
D.east
A.Snowfall or blowing snow
B.Lack of ability to estimate distance
C.Harsh contrast between sun-illuminated snow cover and the background
D.Hazy horizons with extensive mirage effects
A.more serious
B.not less serious
C.more dangerous
D.no more dangerous
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The height of tide is the ().
For full information regarding the current circulation of the Indian Ocean,() Sailing Direction,Current Atlas,etc.
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? ()
In Admiralty Sailing Directions,bands is the word used to indicate()marking.
The Earth’s irregular heating is caused by ().
Due to lapse of time the risk in these areas to surface navigation is now considered ()than the ordinary risks of navigation,but a very real risk still exists with regard to anchoring,fishing or any form of submarine or seabed activity.
Areas enclosed by a long and short dashed magenta line indicate ().
Lateral movement of the vessel to leeward of its course defines ().
Attention is called to the fact that in many cases charted depths may be decreased by up to ().
On a voyage from Capetown to London,the favorable ocean current off the coast of Africa is the ().