A.range of tide
B.height of tide
C.charted depth
D.actual water depth
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A.difference in longitude
B.mid-longitude
C.departure
D.meridian angle
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
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Conditions for crossing a rough bar are usually best at （）.
Lateral movement of the vessel to leeward of its course defines （）.
For full information regarding the current circulation of the Indian Ocean,（） Sailing Direction,Current Atlas,etc.
An occulting light is one in which （）.
The Earth has the shape of a(n) （）.
On a voyage from Capetown to London，the favorable ocean current off the coast of Africa is the （）.
The period at high or low tide during which there is no change in the height of the water is called the （）.
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.
A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.
Above-normal tides near the center of a hurricane maybe caused by the （）.