A.sphere
B.oblate spheroid
C.spheroid of revolution
D.oblate eggoid
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A.air gap
B.freeboard
C.penetration
D.water depth
A.range of tide
B.height of tide
C.charted depth
D.actual water depth
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
最新試題
In Admiralty Sailing Directions，bands is the word used to indicate（）marking．
AFTER DROPPING THE PILOT means （）.
Conditions for crossing a rough bar are usually best at （）.
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.
The height of a light is measured from which reference plane?（）
On a voyage from Capetown to London，the favorable ocean current off the coast of Africa is the （）.
For full information regarding the current circulation of the Indian Ocean,（） Sailing Direction,Current Atlas,etc.
A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is （）.
A pilot vessel on pilotage duty at night will show sidelights and a sternlight （）.
Attention is called to the fact that in many cases pipelines are not （） and charted depths may be decreased by up to 2 meters．